./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6d71d49c6e185294c0f1f4729e12b8d7df6d1365b5d24a48890a0be5b6780c4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:01:08,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:01:08,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:01:08,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:01:08,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:01:08,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:01:08,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:01:08,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:01:08,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:01:08,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:01:08,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:01:08,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:01:08,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:01:08,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:01:08,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:01:08,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:01:08,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:01:08,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:01:08,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:01:08,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:01:08,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:01:08,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:01:08,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:01:08,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:01:08,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:01:08,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:01:08,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:01:08,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:01:08,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:01:08,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:01:08,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:01:08,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:01:08,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:01:08,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:01:08,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:01:08,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:01:08,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:01:08,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:01:08,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:01:08,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:01:08,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:01:08,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:01:08,267 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:01:08,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:01:08,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:01:08,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:01:08,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:01:08,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:01:08,270 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:01:08,270 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:01:08,270 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:01:08,271 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:01:08,272 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:01:08,272 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:01:08,272 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:01:08,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:01:08,273 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:01:08,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:01:08,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:01:08,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:01:08,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:01:08,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:01:08,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:01:08,274 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:01:08,275 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:01:08,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:01:08,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:01:08,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:01:08,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:01:08,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:01:08,278 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:01:08,279 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6d71d49c6e185294c0f1f4729e12b8d7df6d1365b5d24a48890a0be5b6780c4 [2022-11-18 20:01:08,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:01:08,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:01:08,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:01:08,587 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:01:08,588 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:01:08,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i [2022-11-18 20:01:08,679 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/data/4de1e7d10/b049fdfba5254e2a80db266ea558f281/FLAGe1247e448 [2022-11-18 20:01:09,218 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:01:09,218 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/sv-benchmarks/c/termination-recursive-malloc/mergeSort.i [2022-11-18 20:01:09,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/data/4de1e7d10/b049fdfba5254e2a80db266ea558f281/FLAGe1247e448 [2022-11-18 20:01:09,603 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/data/4de1e7d10/b049fdfba5254e2a80db266ea558f281 [2022-11-18 20:01:09,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:01:09,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:01:09,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:01:09,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:01:09,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:01:09,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:09,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@562efaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09, skipping insertion in model container [2022-11-18 20:01:09,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:09,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:01:09,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:01:09,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:01:09,934 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:01:09,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:01:09,983 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:01:09,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09 WrapperNode [2022-11-18 20:01:09,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:01:09,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:01:09,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:01:09,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:01:09,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:10,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:10,053 INFO L138 Inliner]: procedures = 12, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2022-11-18 20:01:10,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:01:10,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:01:10,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:01:10,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:01:10,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:10,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:10,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:10,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:10,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:10,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:10,100 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:10,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:10,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:01:10,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:01:10,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:01:10,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:01:10,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (1/1) ... [2022-11-18 20:01:10,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:10,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:10,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:10,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:01:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:01:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure merge_sort [2022-11-18 20:01:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_sort [2022-11-18 20:01:10,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:01:10,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:01:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:01:10,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:01:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:01:10,293 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:01:10,296 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:01:10,613 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:01:10,618 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:01:10,618 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:01:10,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:01:10 BoogieIcfgContainer [2022-11-18 20:01:10,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:01:10,621 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:01:10,621 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:01:10,638 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:01:10,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:01:10,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:01:09" (1/3) ... [2022-11-18 20:01:10,640 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50b70b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:01:10, skipping insertion in model container [2022-11-18 20:01:10,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:01:10,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:01:09" (2/3) ... [2022-11-18 20:01:10,641 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50b70b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:01:10, skipping insertion in model container [2022-11-18 20:01:10,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:01:10,641 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:01:10" (3/3) ... [2022-11-18 20:01:10,642 INFO L332 chiAutomizerObserver]: Analyzing ICFG mergeSort.i [2022-11-18 20:01:10,719 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:01:10,720 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:01:10,720 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:01:10,720 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:01:10,720 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:01:10,720 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:01:10,720 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:01:10,721 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:01:10,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 20:01:10,748 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2022-11-18 20:01:10,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:10,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:10,753 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:01:10,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:01:10,754 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:01:10,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 20:01:10,757 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2022-11-18 20:01:10,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:10,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:10,758 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:01:10,758 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:01:10,765 INFO L748 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 16#L35true assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 10#L40-3true [2022-11-18 20:01:10,766 INFO L750 eck$LassoCheckResult]: Loop: 10#L40-3true assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 11#L40-2true main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 10#L40-3true [2022-11-18 20:01:10,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:10,772 INFO L85 PathProgramCache]: Analyzing trace with hash 89440, now seen corresponding path program 1 times [2022-11-18 20:01:10,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:10,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485996205] [2022-11-18 20:01:10,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:10,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:10,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:10,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:11,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:11,002 INFO L85 PathProgramCache]: Analyzing trace with hash 3363, now seen corresponding path program 1 times [2022-11-18 20:01:11,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:11,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625891368] [2022-11-18 20:01:11,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:11,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:11,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:11,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:11,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:11,051 INFO L85 PathProgramCache]: Analyzing trace with hash 85954242, now seen corresponding path program 1 times [2022-11-18 20:01:11,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:11,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890203372] [2022-11-18 20:01:11,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:11,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:11,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:11,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:11,409 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:01:11,409 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:01:11,410 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:01:11,410 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:01:11,410 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:01:11,410 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:11,411 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:01:11,411 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:01:11,411 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration1_Lasso [2022-11-18 20:01:11,412 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:01:11,412 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:01:11,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:11,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:11,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:11,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:11,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:11,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:11,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:11,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:11,882 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:01:11,887 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:01:11,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:11,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:11,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:11,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:11,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:01:11,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:11,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:11,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:11,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:11,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:11,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:11,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:11,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:11,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-18 20:01:11,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:11,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:11,938 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:11,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:01:11,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:11,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:11,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:11,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:11,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:11,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:11,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:11,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:11,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:11,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:11,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:11,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:12,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:12,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:12,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:12,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:12,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:12,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:12,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:12,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:12,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:01:12,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:12,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:12,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:12,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:12,042 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:12,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:12,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:12,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:12,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:12,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:12,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:12,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:12,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:12,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:01:12,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:12,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:12,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:12,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:12,089 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:12,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:12,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:12,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:12,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:12,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:12,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:12,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:12,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:12,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:01:12,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:12,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:12,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:12,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:12,138 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:12,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:12,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:01:12,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:12,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:12,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:12,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:12,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:12,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:12,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:12,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:12,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:12,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:12,184 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:12,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:12,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:12,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:12,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:12,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:12,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:12,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:12,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:12,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:01:12,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:12,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:12,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:12,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:12,229 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:12,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:01:12,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:12,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:12,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:12,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:12,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:12,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:12,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:12,300 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:01:12,340 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-18 20:01:12,341 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-18 20:01:12,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:12,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:12,346 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:12,373 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:01:12,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:01:12,385 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:01:12,385 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:01:12,385 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1.offset, ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1) = -1*ULTIMATE.start_main_~a~0#1.offset - 4*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1 Supporting invariants [] [2022-11-18 20:01:12,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:12,398 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-18 20:01:12,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:12,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:01:12,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:12,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:01:12,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:12,552 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:01:12,554 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 30 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:01:12,607 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 30 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 61 states and 85 transitions. Complement of second has 9 states. [2022-11-18 20:01:12,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:01:12,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:01:12,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 44 transitions. [2022-11-18 20:01:12,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-18 20:01:12,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:12,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-18 20:01:12,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:12,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-18 20:01:12,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:12,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 85 transitions. [2022-11-18 20:01:12,623 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2022-11-18 20:01:12,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 27 states and 38 transitions. [2022-11-18 20:01:12,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-11-18 20:01:12,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-11-18 20:01:12,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 38 transitions. [2022-11-18 20:01:12,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:01:12,633 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 38 transitions. [2022-11-18 20:01:12,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 38 transitions. [2022-11-18 20:01:12,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-18 20:01:12,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:01:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 38 transitions. [2022-11-18 20:01:12,662 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 38 transitions. [2022-11-18 20:01:12,662 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2022-11-18 20:01:12,662 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:01:12,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 38 transitions. [2022-11-18 20:01:12,663 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2022-11-18 20:01:12,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:12,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:12,664 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:01:12,664 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:01:12,665 INFO L748 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 149#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 150#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 152#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 140#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 145#merge_sortENTRY [2022-11-18 20:01:12,665 INFO L750 eck$LassoCheckResult]: Loop: 145#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 146#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 141#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 145#merge_sortENTRY [2022-11-18 20:01:12,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:12,666 INFO L85 PathProgramCache]: Analyzing trace with hash 85954193, now seen corresponding path program 1 times [2022-11-18 20:01:12,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:12,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33399700] [2022-11-18 20:01:12,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:12,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:12,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:12,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33399700] [2022-11-18 20:01:12,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33399700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:01:12,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:01:12,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:01:12,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172649744] [2022-11-18 20:01:12,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:01:12,767 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:01:12,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:12,768 INFO L85 PathProgramCache]: Analyzing trace with hash 30001, now seen corresponding path program 1 times [2022-11-18 20:01:12,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:12,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682237325] [2022-11-18 20:01:12,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:12,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:12,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:12,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:12,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:12,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:01:12,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:01:12,955 INFO L87 Difference]: Start difference. First operand 27 states and 38 transitions. cyclomatic complexity: 15 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:01:12,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:12,984 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2022-11-18 20:01:12,984 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 36 transitions. [2022-11-18 20:01:12,990 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2022-11-18 20:01:12,992 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 36 transitions. [2022-11-18 20:01:12,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2022-11-18 20:01:12,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-11-18 20:01:12,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 36 transitions. [2022-11-18 20:01:12,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:01:12,994 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 36 transitions. [2022-11-18 20:01:12,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 36 transitions. [2022-11-18 20:01:13,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:13,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-11-18 20:01:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 23 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:01:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2022-11-18 20:01:13,035 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2022-11-18 20:01:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:01:13,037 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2022-11-18 20:01:13,037 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:01:13,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2022-11-18 20:01:13,039 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2022-11-18 20:01:13,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:13,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:13,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:13,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:01:13,040 INFO L748 eck$LassoCheckResult]: Stem: 221#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 210#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 211#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 213#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 214#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 215#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 201#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 206#merge_sortENTRY [2022-11-18 20:01:13,040 INFO L750 eck$LassoCheckResult]: Loop: 206#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 207#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 202#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 206#merge_sortENTRY [2022-11-18 20:01:13,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:13,041 INFO L85 PathProgramCache]: Analyzing trace with hash 997650291, now seen corresponding path program 1 times [2022-11-18 20:01:13,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:13,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277576868] [2022-11-18 20:01:13,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:13,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:13,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:13,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:13,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:13,070 INFO L85 PathProgramCache]: Analyzing trace with hash 30001, now seen corresponding path program 2 times [2022-11-18 20:01:13,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:13,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457587785] [2022-11-18 20:01:13,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:13,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:13,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:13,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:13,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:13,091 INFO L85 PathProgramCache]: Analyzing trace with hash -173868929, now seen corresponding path program 1 times [2022-11-18 20:01:13,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:13,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900087551] [2022-11-18 20:01:13,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:13,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:13,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:13,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:13,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900087551] [2022-11-18 20:01:13,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900087551] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:01:13,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805772988] [2022-11-18 20:01:13,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:13,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:01:13,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:13,191 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:01:13,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 20:01:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:13,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:01:13,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:13,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:01:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:13,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805772988] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:01:13,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:01:13,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2022-11-18 20:01:13,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336938327] [2022-11-18 20:01:13,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:01:13,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:13,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:01:13,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:01:13,507 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:01:13,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:13,588 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2022-11-18 20:01:13,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2022-11-18 20:01:13,589 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2022-11-18 20:01:13,591 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 32 states and 41 transitions. [2022-11-18 20:01:13,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-11-18 20:01:13,592 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-11-18 20:01:13,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 41 transitions. [2022-11-18 20:01:13,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:01:13,593 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 41 transitions. [2022-11-18 20:01:13,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 41 transitions. [2022-11-18 20:01:13,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2022-11-18 20:01:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:01:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2022-11-18 20:01:13,596 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 37 transitions. [2022-11-18 20:01:13,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:01:13,597 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2022-11-18 20:01:13,597 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:01:13,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 37 transitions. [2022-11-18 20:01:13,598 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2022-11-18 20:01:13,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:13,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:13,599 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2022-11-18 20:01:13,599 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:01:13,599 INFO L748 eck$LassoCheckResult]: Stem: 357#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 345#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 346#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 348#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 349#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 350#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 351#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 362#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 336#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 343#merge_sortENTRY [2022-11-18 20:01:13,600 INFO L750 eck$LassoCheckResult]: Loop: 343#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 344#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 335#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 343#merge_sortENTRY [2022-11-18 20:01:13,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:13,600 INFO L85 PathProgramCache]: Analyzing trace with hash 964272085, now seen corresponding path program 2 times [2022-11-18 20:01:13,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:13,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863774227] [2022-11-18 20:01:13,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:13,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:13,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:13,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:13,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:13,625 INFO L85 PathProgramCache]: Analyzing trace with hash 30001, now seen corresponding path program 3 times [2022-11-18 20:01:13,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:13,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948163744] [2022-11-18 20:01:13,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:13,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:13,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:13,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:13,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:13,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1888408797, now seen corresponding path program 2 times [2022-11-18 20:01:13,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:13,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663930008] [2022-11-18 20:01:13,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:13,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:13,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:13,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:14,453 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:01:14,453 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:01:14,453 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:01:14,453 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:01:14,453 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:01:14,453 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:14,453 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:01:14,453 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:01:14,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration4_Lasso [2022-11-18 20:01:14,454 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:01:14,454 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:01:14,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,476 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,497 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,755 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,758 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,761 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,767 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,778 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,791 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,800 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,802 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,839 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:14,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:15,319 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:01:15,319 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:01:15,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,321 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:01:15,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,370 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:01:15,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,425 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:01:15,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,467 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:01:15,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,520 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:01:15,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,561 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:01:15,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,605 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:01:15,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,640 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:01:15,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,678 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:01:15,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,733 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:01:15,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,772 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:01:15,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,825 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:01:15,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:15,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:15,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,873 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:01:15,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:15,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:15,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,926 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:01:15,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:15,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,951 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:01:15,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:15,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:15,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:15,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:15,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:15,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-18 20:01:15,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:15,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:15,979 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:15,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:01:15,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:15,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:15,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:15,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:15,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:16,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:16,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:16,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:16,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:16,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:16,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:16,034 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:16,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:16,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:01:16,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:16,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:16,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:16,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:16,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:16,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:16,075 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:01:16,102 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-18 20:01:16,103 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-11-18 20:01:16,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:16,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:16,107 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:16,115 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:01:16,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:01:16,152 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:01:16,152 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:01:16,153 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_#in~n#1) = 1*merge_sort_#in~n#1 Supporting invariants [] [2022-11-18 20:01:16,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:16,166 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2022-11-18 20:01:16,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:16,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:01:16,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:16,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:01:16,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:16,273 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-18 20:01:16,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 12 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:01:16,325 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 37 transitions. cyclomatic complexity: 12. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 59 transitions. Complement of second has 12 states. [2022-11-18 20:01:16,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:01:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:01:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-11-18 20:01:16,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2022-11-18 20:01:16,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:16,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 12 letters. Loop has 3 letters. [2022-11-18 20:01:16,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:16,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 6 letters. [2022-11-18 20:01:16,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:16,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 59 transitions. [2022-11-18 20:01:16,331 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2022-11-18 20:01:16,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 38 states and 50 transitions. [2022-11-18 20:01:16,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-11-18 20:01:16,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-11-18 20:01:16,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 50 transitions. [2022-11-18 20:01:16,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:16,333 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 50 transitions. [2022-11-18 20:01:16,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 50 transitions. [2022-11-18 20:01:16,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2022-11-18 20:01:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:01:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2022-11-18 20:01:16,337 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 46 transitions. [2022-11-18 20:01:16,337 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2022-11-18 20:01:16,337 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:01:16,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2022-11-18 20:01:16,338 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2022-11-18 20:01:16,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:16,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:16,339 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:16,340 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:16,340 INFO L748 eck$LassoCheckResult]: Stem: 513#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 499#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 500#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 502#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 503#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 504#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 505#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 520#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 488#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 493#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 494#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 487#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 495#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 496#L24 assume ~n#1 < 2; 511#merge_sortFINAL assume true; 510#merge_sortEXIT >#87#return; 486#L27-1 [2022-11-18 20:01:16,340 INFO L750 eck$LassoCheckResult]: Loop: 486#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 512#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 519#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 489#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 512#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 519#L24 assume ~n#1 < 2; 501#merge_sortFINAL assume true; 518#merge_sortEXIT >#87#return; 486#L27-1 [2022-11-18 20:01:16,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:16,341 INFO L85 PathProgramCache]: Analyzing trace with hash 825176348, now seen corresponding path program 1 times [2022-11-18 20:01:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:16,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112900773] [2022-11-18 20:01:16,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:16,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:16,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:16,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:16,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:16,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1429943866, now seen corresponding path program 1 times [2022-11-18 20:01:16,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:16,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132727353] [2022-11-18 20:01:16,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:16,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:16,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:16,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:16,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:16,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1545528235, now seen corresponding path program 1 times [2022-11-18 20:01:16,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:16,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472575594] [2022-11-18 20:01:16,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:16,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:16,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:01:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:16,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:01:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:01:16,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:16,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472575594] [2022-11-18 20:01:16,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472575594] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:01:16,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598957472] [2022-11-18 20:01:16,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:16,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:01:16,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:16,711 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:01:16,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-11-18 20:01:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:16,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 20:01:16,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:16,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:16,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:01:17,051 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:01:17,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598957472] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:01:17,052 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:01:17,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 15 [2022-11-18 20:01:17,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842749650] [2022-11-18 20:01:17,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:01:17,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:17,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 20:01:17,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:01:17,493 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. cyclomatic complexity: 15 Second operand has 15 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 12 states have internal predecessors, (24), 5 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-18 20:01:17,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:17,867 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2022-11-18 20:01:17,867 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 91 transitions. [2022-11-18 20:01:17,869 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 25 [2022-11-18 20:01:17,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 68 states and 86 transitions. [2022-11-18 20:01:17,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2022-11-18 20:01:17,871 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2022-11-18 20:01:17,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 86 transitions. [2022-11-18 20:01:17,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:17,872 INFO L218 hiAutomatonCegarLoop]: Abstraction has 68 states and 86 transitions. [2022-11-18 20:01:17,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 86 transitions. [2022-11-18 20:01:17,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2022-11-18 20:01:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 54 states have internal predecessors, (66), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2022-11-18 20:01:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2022-11-18 20:01:17,877 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 81 transitions. [2022-11-18 20:01:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:01:17,878 INFO L428 stractBuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2022-11-18 20:01:17,878 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 20:01:17,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 81 transitions. [2022-11-18 20:01:17,879 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 24 [2022-11-18 20:01:17,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:17,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:17,880 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:17,881 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:17,881 INFO L748 eck$LassoCheckResult]: Stem: 809#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 794#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 795#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 797#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 798#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 799#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 800#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 830#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 829#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 828#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 784#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 825#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 791#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 782#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 789#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 790#L24 assume ~n#1 < 2; 813#merge_sortFINAL assume true; 805#merge_sortEXIT >#87#return; 783#L27-1 [2022-11-18 20:01:17,881 INFO L750 eck$LassoCheckResult]: Loop: 783#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 808#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 837#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 785#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 808#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 837#L24 assume ~n#1 < 2; 806#merge_sortFINAL assume true; 807#merge_sortEXIT >#87#return; 783#L27-1 [2022-11-18 20:01:17,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:17,882 INFO L85 PathProgramCache]: Analyzing trace with hash -682635526, now seen corresponding path program 2 times [2022-11-18 20:01:17,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:17,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500732235] [2022-11-18 20:01:17,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:17,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:17,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:17,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:17,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:17,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1429943866, now seen corresponding path program 2 times [2022-11-18 20:01:17,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:17,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702173646] [2022-11-18 20:01:17,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:17,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:17,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:17,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:17,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:17,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1251148749, now seen corresponding path program 2 times [2022-11-18 20:01:17,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:17,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614761946] [2022-11-18 20:01:17,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:17,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:17,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:17,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:19,621 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:01:19,621 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:01:19,621 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:01:19,621 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:01:19,621 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:01:19,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:19,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:01:19,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:01:19,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration6_Lasso [2022-11-18 20:01:19,622 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:01:19,622 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:01:19,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,643 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,666 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,668 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,676 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,681 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,691 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:19,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:20,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:20,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:20,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:20,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:20,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:20,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:20,021 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:20,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:20,025 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:20,602 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:01:20,602 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:01:20,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,612 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:01:20,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:20,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:20,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:20,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-18 20:01:20,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,653 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 20:01:20,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:20,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:20,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:20,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:20,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,677 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 20:01:20,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:20,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:20,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:20,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,734 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 20:01:20,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:20,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:20,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:20,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:20,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,780 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:20,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 20:01:20,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:20,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:20,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:20,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,822 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 20:01:20,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:20,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:20,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:20,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-18 20:01:20,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,851 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 20:01:20,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:20,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:20,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:20,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-18 20:01:20,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,873 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 20:01:20,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:20,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:20,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:20,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-18 20:01:20,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,894 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 20:01:20,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:20,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:20,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:20,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-18 20:01:20,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,932 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 20:01:20,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:20,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:20,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:20,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-18 20:01:20,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,956 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-18 20:01:20,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:20,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:20,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:20,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-18 20:01:20,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,975 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 20:01:20,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:20,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:20,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:20,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:20,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:20,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:20,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:20,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:20,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:20,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:20,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:20,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:20,997 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:20,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 20:01:21,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:21,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,040 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-18 20:01:21,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-18 20:01:21,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,059 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-18 20:01:21,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-18 20:01:21,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,077 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-18 20:01:21,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-18 20:01:21,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,103 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-18 20:01:21,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:21,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,124 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-18 20:01:21,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-18 20:01:21,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,142 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-18 20:01:21,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-18 20:01:21,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,164 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-18 20:01:21,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:21,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,202 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-18 20:01:21,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-11-18 20:01:21,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,222 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-18 20:01:21,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-11-18 20:01:21,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,241 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-18 20:01:21,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-11-18 20:01:21,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,259 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-18 20:01:21,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-18 20:01:21,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,297 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-18 20:01:21,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:21,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:21,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-18 20:01:21,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,331 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-18 20:01:21,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-18 20:01:21,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,350 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-18 20:01:21,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:21,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,369 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-18 20:01:21,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:21,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,387 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-18 20:01:21,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-18 20:01:21,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,405 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-18 20:01:21,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-18 20:01:21,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,423 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-18 20:01:21,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-18 20:01:21,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,442 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-18 20:01:21,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:21,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,467 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-18 20:01:21,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-18 20:01:21,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,486 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-18 20:01:21,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:21,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:21,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:21,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:21,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:21,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,504 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-18 20:01:21,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:21,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:21,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:21,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:21,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:21,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:21,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:21,559 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:01:21,592 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-18 20:01:21,592 INFO L444 ModelExtractionUtils]: 0 out of 25 variables were initially zero. Simplification set additionally 22 variables to zero. [2022-11-18 20:01:21,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:21,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:21,599 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:21,604 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:01:21,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-18 20:01:21,632 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:01:21,633 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:01:21,633 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_~m~0#1, merge_sort_~n#1) = -1*merge_sort_~m~0#1 + 1*merge_sort_~n#1 Supporting invariants [] [2022-11-18 20:01:21,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:21,640 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-18 20:01:21,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:21,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:01:21,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:21,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:01:21,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:21,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:21,894 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2022-11-18 20:01:21,894 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23 Second operand has 7 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:01:22,092 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 81 transitions. cyclomatic complexity: 23. Second operand has 7 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Result 323 states and 438 transitions. Complement of second has 28 states. [2022-11-18 20:01:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2022-11-18 20:01:22,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:01:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 70 transitions. [2022-11-18 20:01:22,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 70 transitions. Stem has 18 letters. Loop has 8 letters. [2022-11-18 20:01:22,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:22,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 70 transitions. Stem has 26 letters. Loop has 8 letters. [2022-11-18 20:01:22,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:22,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 70 transitions. Stem has 18 letters. Loop has 16 letters. [2022-11-18 20:01:22,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:22,096 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 323 states and 438 transitions. [2022-11-18 20:01:22,102 INFO L131 ngComponentsAnalysis]: Automaton has 18 accepting balls. 88 [2022-11-18 20:01:22,106 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 323 states to 235 states and 325 transitions. [2022-11-18 20:01:22,107 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2022-11-18 20:01:22,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 172 [2022-11-18 20:01:22,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 235 states and 325 transitions. [2022-11-18 20:01:22,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:22,108 INFO L218 hiAutomatonCegarLoop]: Abstraction has 235 states and 325 transitions. [2022-11-18 20:01:22,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states and 325 transitions. [2022-11-18 20:01:22,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 214. [2022-11-18 20:01:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 177 states have (on average 1.2937853107344632) internal successors, (229), 179 states have internal predecessors, (229), 23 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (34), 20 states have call predecessors, (34), 21 states have call successors, (34) [2022-11-18 20:01:22,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 290 transitions. [2022-11-18 20:01:22,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 214 states and 290 transitions. [2022-11-18 20:01:22,125 INFO L428 stractBuchiCegarLoop]: Abstraction has 214 states and 290 transitions. [2022-11-18 20:01:22,125 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 20:01:22,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 214 states and 290 transitions. [2022-11-18 20:01:22,128 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 78 [2022-11-18 20:01:22,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:22,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:22,129 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:22,129 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:01:22,129 INFO L748 eck$LassoCheckResult]: Stem: 1362#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1322#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 1323#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 1336#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 1337#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1338#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 1339#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1386#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 1354#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1383#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1410#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 1317#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 1316#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1318#L24 assume ~n#1 < 2; 1427#merge_sortFINAL assume true; 1426#merge_sortEXIT >#87#return; 1418#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 1421#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1424#L24 assume ~n#1 < 2; 1422#merge_sortFINAL assume true; 1417#merge_sortEXIT >#89#return; 1415#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 1412#L11-3 [2022-11-18 20:01:22,129 INFO L750 eck$LassoCheckResult]: Loop: 1412#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 1413#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 1416#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 1414#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 1412#L11-3 [2022-11-18 20:01:22,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:22,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1029593046, now seen corresponding path program 1 times [2022-11-18 20:01:22,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:22,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205733132] [2022-11-18 20:01:22,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:22,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:22,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:22,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:22,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:22,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1388838, now seen corresponding path program 1 times [2022-11-18 20:01:22,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:22,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125287967] [2022-11-18 20:01:22,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:22,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:22,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:22,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:22,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:22,189 INFO L85 PathProgramCache]: Analyzing trace with hash -874210097, now seen corresponding path program 1 times [2022-11-18 20:01:22,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:22,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447846838] [2022-11-18 20:01:22,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:22,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:22,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:22,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:01:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:01:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:22,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-18 20:01:22,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:22,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447846838] [2022-11-18 20:01:22,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447846838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:01:22,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:01:22,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:01:22,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442347624] [2022-11-18 20:01:22,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:01:22,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:22,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:01:22,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:01:22,644 INFO L87 Difference]: Start difference. First operand 214 states and 290 transitions. cyclomatic complexity: 100 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:01:22,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:22,775 INFO L93 Difference]: Finished difference Result 350 states and 488 transitions. [2022-11-18 20:01:22,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 350 states and 488 transitions. [2022-11-18 20:01:22,781 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 136 [2022-11-18 20:01:22,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 350 states to 350 states and 488 transitions. [2022-11-18 20:01:22,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 257 [2022-11-18 20:01:22,801 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 257 [2022-11-18 20:01:22,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 350 states and 488 transitions. [2022-11-18 20:01:22,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:22,803 INFO L218 hiAutomatonCegarLoop]: Abstraction has 350 states and 488 transitions. [2022-11-18 20:01:22,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states and 488 transitions. [2022-11-18 20:01:22,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 268. [2022-11-18 20:01:22,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 231 states have (on average 1.2640692640692641) internal successors, (292), 233 states have internal predecessors, (292), 23 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (34), 20 states have call predecessors, (34), 21 states have call successors, (34) [2022-11-18 20:01:22,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 353 transitions. [2022-11-18 20:01:22,846 INFO L240 hiAutomatonCegarLoop]: Abstraction has 268 states and 353 transitions. [2022-11-18 20:01:22,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:01:22,848 INFO L428 stractBuchiCegarLoop]: Abstraction has 268 states and 353 transitions. [2022-11-18 20:01:22,849 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-18 20:01:22,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 268 states and 353 transitions. [2022-11-18 20:01:22,851 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 120 [2022-11-18 20:01:22,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:22,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:22,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:22,855 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:22,855 INFO L748 eck$LassoCheckResult]: Stem: 1947#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1917#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 1918#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 1921#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 1922#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1923#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 1924#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 1925#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 1927#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1970#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2012#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 1942#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 1943#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2016#L24 assume ~n#1 < 2; 2015#merge_sortFINAL assume true; 2014#merge_sortEXIT >#87#return; 1937#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 1956#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2011#L24 assume ~n#1 < 2; 1940#merge_sortFINAL assume true; 1936#merge_sortEXIT >#89#return; 1932#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 1933#L11-3 [2022-11-18 20:01:22,856 INFO L750 eck$LassoCheckResult]: Loop: 1933#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 1926#L12 assume !(merge_~j~0#1 == merge_~n#1); 1929#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 2152#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 2150#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 2149#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 1974#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 1968#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 1933#L11-3 [2022-11-18 20:01:22,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:22,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1029593046, now seen corresponding path program 2 times [2022-11-18 20:01:22,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:22,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113937916] [2022-11-18 20:01:22,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:22,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:22,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:22,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:22,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:22,916 INFO L85 PathProgramCache]: Analyzing trace with hash -120477233, now seen corresponding path program 1 times [2022-11-18 20:01:22,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:22,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961187931] [2022-11-18 20:01:22,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:22,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:22,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:22,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:22,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:22,944 INFO L85 PathProgramCache]: Analyzing trace with hash 843127032, now seen corresponding path program 1 times [2022-11-18 20:01:22,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:22,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991393219] [2022-11-18 20:01:22,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:22,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:22,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:23,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:25,308 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:01:25,308 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:01:25,308 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:01:25,308 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:01:25,308 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:01:25,309 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:25,309 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:01:25,309 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:01:25,309 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration8_Lasso [2022-11-18 20:01:25,309 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:01:25,309 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:01:25,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,320 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,333 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,340 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:25,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:26,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:26,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:26,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:26,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:26,381 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:26,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:26,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:26,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:26,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:27,719 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:01:27,720 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:01:27,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:27,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:27,732 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:27,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:27,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:27,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:27,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:27,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:27,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:27,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:27,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:27,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-18 20:01:27,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:27,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:27,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:27,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:27,767 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:27,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:27,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-18 20:01:27,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:27,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:27,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:27,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:27,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:27,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:27,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:27,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:27,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:27,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:27,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:27,805 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:27,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:27,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:27,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:27,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:27,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:27,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:27,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:27,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:27,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-18 20:01:27,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:27,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:27,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:27,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:27,839 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:27,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:27,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:27,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:27,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:27,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:27,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:27,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:27,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:27,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-18 20:01:27,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:27,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:27,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:27,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:27,872 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:27,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:27,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:27,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:27,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:27,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:27,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:27,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:27,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:27,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-18 20:01:27,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:27,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:27,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:27,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:27,904 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:27,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:27,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:27,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:27,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:27,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:27,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:27,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:27,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:27,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-18 20:01:27,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:27,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-18 20:01:27,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:27,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:27,933 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:27,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:27,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:27,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:27,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:27,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:27,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:27,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:27,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:27,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-18 20:01:27,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:27,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:27,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:27,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:27,971 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:27,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:27,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:27,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:27,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:27,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:27,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:27,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:27,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-18 20:01:27,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:27,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:28,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,002 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-18 20:01:28,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:28,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,024 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-18 20:01:28,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-11-18 20:01:28,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,043 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-18 20:01:28,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-11-18 20:01:28,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,061 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-18 20:01:28,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2022-11-18 20:01:28,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,079 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-18 20:01:28,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:28,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:28,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-11-18 20:01:28,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,100 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-18 20:01:28,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-11-18 20:01:28,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,118 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-18 20:01:28,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:28,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,140 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-18 20:01:28,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:28,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:28,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:28,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,169 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-18 20:01:28,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:28,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,204 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-18 20:01:28,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:28,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,240 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-18 20:01:28,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2022-11-18 20:01:28,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,261 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-18 20:01:28,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-11-18 20:01:28,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,281 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-18 20:01:28,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2022-11-18 20:01:28,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,307 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-18 20:01:28,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:28,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:28,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:28,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:28,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:28,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2022-11-18 20:01:28,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:28,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:28,326 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:28,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-18 20:01:28,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:28,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:28,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:28,342 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-18 20:01:28,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:28,463 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2022-11-18 20:01:28,464 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-18 20:01:29,719 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:01:33,011 INFO L443 ModelExtractionUtils]: Simplification made 68 calls to the SMT solver. [2022-11-18 20:01:33,011 INFO L444 ModelExtractionUtils]: 81 out of 190 variables were initially zero. Simplification set additionally 105 variables to zero. [2022-11-18 20:01:33,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:33,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:33,013 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:33,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-18 20:01:33,016 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:01:33,032 INFO L438 nArgumentSynthesizer]: Removed 8 redundant supporting invariants from a total of 8. [2022-11-18 20:01:33,032 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:01:33,032 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length merge_sort_#in~a#1.base)_3, merge_sort_merge_~x~0#1.offset, merge_sort_merge_~k~0#1) = 1*v_rep(select #length merge_sort_#in~a#1.base)_3 - 1*merge_sort_merge_~x~0#1.offset - 4*merge_sort_merge_~k~0#1 Supporting invariants [] [2022-11-18 20:01:33,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2022-11-18 20:01:33,091 INFO L156 tatePredicateManager]: 8 out of 10 supporting invariants were superfluous and have been removed [2022-11-18 20:01:33,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:33,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:01:33,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:33,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:01:33,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:33,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:33,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:33,581 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2022-11-18 20:01:33,582 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 268 states and 353 transitions. cyclomatic complexity: 109 Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:01:33,878 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 268 states and 353 transitions. cyclomatic complexity: 109. Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 393 states and 528 transitions. Complement of second has 26 states. [2022-11-18 20:01:33,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 5 stem states 3 non-accepting loop states 2 accepting loop states [2022-11-18 20:01:33,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:01:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 42 transitions. [2022-11-18 20:01:33,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 42 transitions. Stem has 22 letters. Loop has 8 letters. [2022-11-18 20:01:33,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:33,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 42 transitions. Stem has 30 letters. Loop has 8 letters. [2022-11-18 20:01:33,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:33,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 42 transitions. Stem has 22 letters. Loop has 16 letters. [2022-11-18 20:01:33,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:33,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 393 states and 528 transitions. [2022-11-18 20:01:33,894 INFO L131 ngComponentsAnalysis]: Automaton has 17 accepting balls. 124 [2022-11-18 20:01:33,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 393 states to 367 states and 500 transitions. [2022-11-18 20:01:33,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234 [2022-11-18 20:01:33,911 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 260 [2022-11-18 20:01:33,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 367 states and 500 transitions. [2022-11-18 20:01:33,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:33,915 INFO L218 hiAutomatonCegarLoop]: Abstraction has 367 states and 500 transitions. [2022-11-18 20:01:33,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states and 500 transitions. [2022-11-18 20:01:33,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 290. [2022-11-18 20:01:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 253 states have (on average 1.2806324110671936) internal successors, (324), 255 states have internal predecessors, (324), 23 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (34), 20 states have call predecessors, (34), 21 states have call successors, (34) [2022-11-18 20:01:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 385 transitions. [2022-11-18 20:01:33,932 INFO L240 hiAutomatonCegarLoop]: Abstraction has 290 states and 385 transitions. [2022-11-18 20:01:33,933 INFO L428 stractBuchiCegarLoop]: Abstraction has 290 states and 385 transitions. [2022-11-18 20:01:33,933 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-18 20:01:33,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 290 states and 385 transitions. [2022-11-18 20:01:33,935 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 120 [2022-11-18 20:01:33,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:33,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:33,936 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:33,936 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:01:33,936 INFO L748 eck$LassoCheckResult]: Stem: 2811#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2774#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 2775#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 2782#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 2783#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 2784#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 2785#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 2874#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 2763#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 2834#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2888#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 2885#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 2886#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2891#L24 assume ~n#1 < 2; 2890#merge_sortFINAL assume true; 2884#merge_sortEXIT >#87#return; 2878#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 2881#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2887#L24 assume ~n#1 < 2; 2882#merge_sortFINAL assume true; 2877#merge_sortEXIT >#89#return; 2870#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 2871#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 2903#L11-4 merge_~i~0#1 := 0; 2823#L17-3 [2022-11-18 20:01:33,936 INFO L750 eck$LassoCheckResult]: Loop: 2823#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 2824#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 2823#L17-3 [2022-11-18 20:01:33,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:33,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1596438681, now seen corresponding path program 1 times [2022-11-18 20:01:33,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:33,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694357646] [2022-11-18 20:01:33,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:33,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:34,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:01:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:34,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:01:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-18 20:01:34,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:34,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694357646] [2022-11-18 20:01:34,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694357646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:01:34,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:01:34,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:01:34,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710144168] [2022-11-18 20:01:34,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:01:34,018 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:01:34,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:34,018 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 1 times [2022-11-18 20:01:34,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:34,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007214246] [2022-11-18 20:01:34,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:34,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:34,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:34,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:34,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:34,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:01:34,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:01:34,091 INFO L87 Difference]: Start difference. First operand 290 states and 385 transitions. cyclomatic complexity: 121 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:01:34,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:34,192 INFO L93 Difference]: Finished difference Result 423 states and 554 transitions. [2022-11-18 20:01:34,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 423 states and 554 transitions. [2022-11-18 20:01:34,197 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 122 [2022-11-18 20:01:34,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 423 states to 423 states and 554 transitions. [2022-11-18 20:01:34,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 290 [2022-11-18 20:01:34,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 290 [2022-11-18 20:01:34,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 423 states and 554 transitions. [2022-11-18 20:01:34,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:34,203 INFO L218 hiAutomatonCegarLoop]: Abstraction has 423 states and 554 transitions. [2022-11-18 20:01:34,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states and 554 transitions. [2022-11-18 20:01:34,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 297. [2022-11-18 20:01:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 260 states have (on average 1.2653846153846153) internal successors, (329), 262 states have internal predecessors, (329), 23 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (34), 20 states have call predecessors, (34), 21 states have call successors, (34) [2022-11-18 20:01:34,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 390 transitions. [2022-11-18 20:01:34,216 INFO L240 hiAutomatonCegarLoop]: Abstraction has 297 states and 390 transitions. [2022-11-18 20:01:34,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:01:34,217 INFO L428 stractBuchiCegarLoop]: Abstraction has 297 states and 390 transitions. [2022-11-18 20:01:34,217 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-18 20:01:34,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 297 states and 390 transitions. [2022-11-18 20:01:34,220 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 120 [2022-11-18 20:01:34,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:34,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:34,221 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:34,221 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:01:34,221 INFO L748 eck$LassoCheckResult]: Stem: 3537#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3505#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 3506#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 3510#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 3511#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 3512#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 3513#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 3514#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 3534#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 3557#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3597#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 3494#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 3493#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3495#L24 assume ~n#1 < 2; 3676#merge_sortFINAL assume true; 3674#merge_sortEXIT >#87#return; 3671#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 3672#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3675#L24 assume ~n#1 < 2; 3673#merge_sortFINAL assume true; 3670#merge_sortEXIT >#89#return; 3652#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 3669#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 3620#L12 assume !(merge_~j~0#1 == merge_~n#1); 3667#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 3659#L13-2 [2022-11-18 20:01:34,221 INFO L750 eck$LassoCheckResult]: Loop: 3659#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 3656#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 3644#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 3645#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 3657#L12 assume !(merge_~j~0#1 == merge_~n#1); 3658#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 3659#L13-2 [2022-11-18 20:01:34,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:34,222 INFO L85 PathProgramCache]: Analyzing trace with hash 2050009704, now seen corresponding path program 1 times [2022-11-18 20:01:34,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:34,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240843578] [2022-11-18 20:01:34,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:34,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:34,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:01:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:01:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:34,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-18 20:01:34,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:34,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240843578] [2022-11-18 20:01:34,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240843578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:01:34,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:01:34,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:01:34,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271521462] [2022-11-18 20:01:34,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:01:34,403 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:01:34,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:34,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1895288687, now seen corresponding path program 1 times [2022-11-18 20:01:34,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:34,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588674382] [2022-11-18 20:01:34,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:34,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:34,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:34,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:34,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:34,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:01:34,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:01:34,567 INFO L87 Difference]: Start difference. First operand 297 states and 390 transitions. cyclomatic complexity: 119 Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:01:34,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:34,745 INFO L93 Difference]: Finished difference Result 398 states and 529 transitions. [2022-11-18 20:01:34,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 398 states and 529 transitions. [2022-11-18 20:01:34,749 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 164 [2022-11-18 20:01:34,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 398 states to 394 states and 525 transitions. [2022-11-18 20:01:34,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 277 [2022-11-18 20:01:34,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 277 [2022-11-18 20:01:34,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 394 states and 525 transitions. [2022-11-18 20:01:34,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:34,756 INFO L218 hiAutomatonCegarLoop]: Abstraction has 394 states and 525 transitions. [2022-11-18 20:01:34,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states and 525 transitions. [2022-11-18 20:01:34,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 358. [2022-11-18 20:01:34,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 321 states have (on average 1.264797507788162) internal successors, (406), 323 states have internal predecessors, (406), 23 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (34), 20 states have call predecessors, (34), 21 states have call successors, (34) [2022-11-18 20:01:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 467 transitions. [2022-11-18 20:01:34,769 INFO L240 hiAutomatonCegarLoop]: Abstraction has 358 states and 467 transitions. [2022-11-18 20:01:34,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:01:34,770 INFO L428 stractBuchiCegarLoop]: Abstraction has 358 states and 467 transitions. [2022-11-18 20:01:34,770 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-18 20:01:34,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 358 states and 467 transitions. [2022-11-18 20:01:34,773 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 162 [2022-11-18 20:01:34,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:34,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:34,774 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:34,774 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:01:34,775 INFO L748 eck$LassoCheckResult]: Stem: 4255#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4223#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 4224#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 4229#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 4230#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 4231#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 4232#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 4317#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 4233#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 4234#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 4212#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 4298#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 4271#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 4219#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 4218#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 4221#L24 assume ~n#1 < 2; 4311#merge_sortFINAL assume true; 4303#merge_sortEXIT >#87#return; 4199#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 4299#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 4295#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 4195#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 4290#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 4370#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 4365#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 4401#merge_sortENTRY [2022-11-18 20:01:34,775 INFO L750 eck$LassoCheckResult]: Loop: 4401#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 4361#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 4363#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 4401#merge_sortENTRY [2022-11-18 20:01:34,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash -178906914, now seen corresponding path program 3 times [2022-11-18 20:01:34,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:34,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640012317] [2022-11-18 20:01:34,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:34,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:01:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:35,202 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:35,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:35,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640012317] [2022-11-18 20:01:35,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640012317] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:01:35,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507820408] [2022-11-18 20:01:35,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:01:35,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:01:35,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:35,205 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:01:35,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2022-11-18 20:01:35,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-18 20:01:35,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:01:35,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:01:35,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:35,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:01:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:35,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507820408] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:01:35,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:01:35,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 25 [2022-11-18 20:01:35,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189097323] [2022-11-18 20:01:35,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:01:35,676 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:01:35,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:35,676 INFO L85 PathProgramCache]: Analyzing trace with hash 30001, now seen corresponding path program 4 times [2022-11-18 20:01:35,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:35,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322358105] [2022-11-18 20:01:35,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:35,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:35,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:35,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:35,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:35,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-18 20:01:35,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2022-11-18 20:01:35,885 INFO L87 Difference]: Start difference. First operand 358 states and 467 transitions. cyclomatic complexity: 135 Second operand has 25 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 20 states have internal predecessors, (35), 7 states have call successors, (10), 7 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 20:01:36,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:36,802 INFO L93 Difference]: Finished difference Result 715 states and 934 transitions. [2022-11-18 20:01:36,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 715 states and 934 transitions. [2022-11-18 20:01:36,810 INFO L131 ngComponentsAnalysis]: Automaton has 32 accepting balls. 340 [2022-11-18 20:01:36,816 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 715 states to 707 states and 923 transitions. [2022-11-18 20:01:36,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2022-11-18 20:01:36,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 569 [2022-11-18 20:01:36,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 707 states and 923 transitions. [2022-11-18 20:01:36,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:36,820 INFO L218 hiAutomatonCegarLoop]: Abstraction has 707 states and 923 transitions. [2022-11-18 20:01:36,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states and 923 transitions. [2022-11-18 20:01:36,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 585. [2022-11-18 20:01:36,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 516 states have (on average 1.253875968992248) internal successors, (647), 520 states have internal predecessors, (647), 41 states have call successors, (48), 29 states have call predecessors, (48), 28 states have return successors, (57), 35 states have call predecessors, (57), 37 states have call successors, (57) [2022-11-18 20:01:36,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 752 transitions. [2022-11-18 20:01:36,838 INFO L240 hiAutomatonCegarLoop]: Abstraction has 585 states and 752 transitions. [2022-11-18 20:01:36,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-18 20:01:36,839 INFO L428 stractBuchiCegarLoop]: Abstraction has 585 states and 752 transitions. [2022-11-18 20:01:36,840 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-18 20:01:36,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 585 states and 752 transitions. [2022-11-18 20:01:36,844 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 272 [2022-11-18 20:01:36,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:36,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:36,845 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:36,845 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:36,845 INFO L748 eck$LassoCheckResult]: Stem: 5550#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5518#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 5519#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 5527#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 5528#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 5529#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 5530#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 5610#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 5499#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 5573#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 5663#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 5661#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 5666#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 5667#L24 assume ~n#1 < 2; 5660#merge_sortFINAL assume true; 5662#merge_sortEXIT >#87#return; 5651#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 5652#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 5691#L24 assume ~n#1 < 2; 5690#merge_sortFINAL assume true; 5689#merge_sortEXIT >#89#return; 5647#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 5646#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 5533#L12 assume !(merge_~j~0#1 == merge_~n#1); 5516#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 5517#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 5497#L14-2 [2022-11-18 20:01:36,846 INFO L750 eck$LassoCheckResult]: Loop: 5497#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 5500#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 5574#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 5570#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 5571#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 6067#L12 assume !(merge_~j~0#1 == merge_~n#1); 6064#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 5548#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 5497#L14-2 [2022-11-18 20:01:36,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:36,846 INFO L85 PathProgramCache]: Analyzing trace with hash -874208526, now seen corresponding path program 1 times [2022-11-18 20:01:36,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:36,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681053768] [2022-11-18 20:01:36,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:36,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:36,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:36,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:36,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:36,879 INFO L85 PathProgramCache]: Analyzing trace with hash -695534387, now seen corresponding path program 1 times [2022-11-18 20:01:36,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:36,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906589488] [2022-11-18 20:01:36,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:36,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:36,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:36,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:36,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:36,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1629101758, now seen corresponding path program 1 times [2022-11-18 20:01:36,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:36,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059158475] [2022-11-18 20:01:36,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:36,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:01:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:01:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 20:01:37,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:37,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059158475] [2022-11-18 20:01:37,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059158475] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:01:37,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191648304] [2022-11-18 20:01:37,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:37,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:01:37,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:37,228 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:01:37,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Waiting until timeout for monitored process [2022-11-18 20:01:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:37,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 20:01:37,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-18 20:01:37,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:01:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-18 20:01:37,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191648304] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:01:37,727 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:01:37,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-18 20:01:37,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667676100] [2022-11-18 20:01:37,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:01:38,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:38,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 20:01:38,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-11-18 20:01:38,026 INFO L87 Difference]: Start difference. First operand 585 states and 752 transitions. cyclomatic complexity: 203 Second operand has 18 states, 14 states have (on average 3.142857142857143) internal successors, (44), 12 states have internal predecessors, (44), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-18 20:01:38,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:38,624 INFO L93 Difference]: Finished difference Result 1212 states and 1611 transitions. [2022-11-18 20:01:38,624 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1212 states and 1611 transitions. [2022-11-18 20:01:38,637 INFO L131 ngComponentsAnalysis]: Automaton has 85 accepting balls. 446 [2022-11-18 20:01:38,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1212 states to 1212 states and 1611 transitions. [2022-11-18 20:01:38,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 913 [2022-11-18 20:01:38,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 913 [2022-11-18 20:01:38,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1212 states and 1611 transitions. [2022-11-18 20:01:38,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:38,653 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1212 states and 1611 transitions. [2022-11-18 20:01:38,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states and 1611 transitions. [2022-11-18 20:01:38,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 695. [2022-11-18 20:01:38,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 621 states have (on average 1.2238325281803544) internal successors, (760), 623 states have internal predecessors, (760), 41 states have call successors, (48), 29 states have call predecessors, (48), 33 states have return successors, (72), 42 states have call predecessors, (72), 37 states have call successors, (72) [2022-11-18 20:01:38,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 880 transitions. [2022-11-18 20:01:38,705 INFO L240 hiAutomatonCegarLoop]: Abstraction has 695 states and 880 transitions. [2022-11-18 20:01:38,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:01:38,706 INFO L428 stractBuchiCegarLoop]: Abstraction has 695 states and 880 transitions. [2022-11-18 20:01:38,706 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-18 20:01:38,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 695 states and 880 transitions. [2022-11-18 20:01:38,711 INFO L131 ngComponentsAnalysis]: Automaton has 46 accepting balls. 280 [2022-11-18 20:01:38,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:38,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:38,712 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:38,712 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:01:38,712 INFO L748 eck$LassoCheckResult]: Stem: 7602#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7572#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 7573#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 7577#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 7578#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 7579#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 7580#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 7628#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 7568#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 7741#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 7739#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 7735#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 7736#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 7740#L24 assume ~n#1 < 2; 7738#merge_sortFINAL assume true; 7734#merge_sortEXIT >#87#return; 7728#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 7730#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 7737#L24 assume ~n#1 < 2; 7733#merge_sortFINAL assume true; 7727#merge_sortEXIT >#89#return; 7715#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 7725#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 7724#L12 assume !(merge_~j~0#1 == merge_~n#1); 7723#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 7721#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 7722#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 7569#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 7584#L12-2 [2022-11-18 20:01:38,712 INFO L750 eck$LassoCheckResult]: Loop: 7584#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 8216#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 8215#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 7583#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 7584#L12-2 [2022-11-18 20:01:38,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:38,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1699197556, now seen corresponding path program 1 times [2022-11-18 20:01:38,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:38,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63712912] [2022-11-18 20:01:38,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:38,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:38,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:38,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:38,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:38,748 INFO L85 PathProgramCache]: Analyzing trace with hash 2032998, now seen corresponding path program 2 times [2022-11-18 20:01:38,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:38,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203767528] [2022-11-18 20:01:38,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:38,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:38,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:38,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:38,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:38,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1016219225, now seen corresponding path program 1 times [2022-11-18 20:01:38,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:38,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815369129] [2022-11-18 20:01:38,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:38,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:38,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:38,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:42,489 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:01:42,489 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:01:42,489 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:01:42,489 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:01:42,489 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:01:42,489 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:42,489 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:01:42,489 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:01:42,489 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration13_Lasso [2022-11-18 20:01:42,489 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:01:42,489 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:01:42,494 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,514 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,516 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,518 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,526 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,533 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,536 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:42,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:44,181 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:44,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:44,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:44,188 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:45,556 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:01:45,557 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:01:45,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,561 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-18 20:01:45,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,579 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-18 20:01:45,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,600 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-11-18 20:01:45,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2022-11-18 20:01:45,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,618 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-11-18 20:01:45,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,637 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-11-18 20:01:45,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,657 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-11-18 20:01:45,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,676 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-11-18 20:01:45,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,694 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-11-18 20:01:45,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2022-11-18 20:01:45,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,713 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-11-18 20:01:45,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,731 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-11-18 20:01:45,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,750 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-11-18 20:01:45,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,770 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-11-18 20:01:45,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:45,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:45,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,794 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-11-18 20:01:45,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,813 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-11-18 20:01:45,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,836 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2022-11-18 20:01:45,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:45,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:45,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:45,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,858 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2022-11-18 20:01:45,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2022-11-18 20:01:45,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,877 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-11-18 20:01:45,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2022-11-18 20:01:45,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,897 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-11-18 20:01:45,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:45,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:45,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:45,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:45,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2022-11-18 20:01:45,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:45,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:45,916 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:45,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-11-18 20:01:45,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:45,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:45,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:45,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:45,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:45,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:45,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:46,006 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:01:46,479 INFO L443 ModelExtractionUtils]: Simplification made 53 calls to the SMT solver. [2022-11-18 20:01:46,479 INFO L444 ModelExtractionUtils]: 16 out of 70 variables were initially zero. Simplification set additionally 48 variables to zero. [2022-11-18 20:01:46,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:46,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:46,487 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:46,492 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:01:46,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-11-18 20:01:46,518 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-18 20:01:46,519 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:01:46,519 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~i~0#1, merge_sort_~n#1, merge_sort_merge_~a#1.offset) = -4*merge_sort_merge_~i~0#1 + 36893488147419103224*merge_sort_~n#1 - 1*merge_sort_merge_~a#1.offset Supporting invariants [-1*v_rep(select #length merge_sort_#in~a#1.base)_4 + 18446744073709551612*merge_sort_~n#1 >= 0] [2022-11-18 20:01:46,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:46,584 INFO L156 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2022-11-18 20:01:46,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:46,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-18 20:01:46,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:46,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-18 20:01:46,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-18 20:01:47,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:01:47,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 20:01:47,069 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-18 20:01:47,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-18 20:01:47,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:47,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:01:47,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:47,205 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 1 loop predicates [2022-11-18 20:01:47,206 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 695 states and 880 transitions. cyclomatic complexity: 245 Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:01:47,519 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 695 states and 880 transitions. cyclomatic complexity: 245. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 1116 states and 1414 transitions. Complement of second has 17 states. [2022-11-18 20:01:47,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 6 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:01:47,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:01:47,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 37 transitions. [2022-11-18 20:01:47,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 37 transitions. Stem has 28 letters. Loop has 4 letters. [2022-11-18 20:01:47,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:47,524 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 37 transitions. Stem has 32 letters. Loop has 4 letters. [2022-11-18 20:01:47,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:47,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 37 transitions. Stem has 28 letters. Loop has 8 letters. [2022-11-18 20:01:47,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:47,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1116 states and 1414 transitions. [2022-11-18 20:01:47,546 INFO L131 ngComponentsAnalysis]: Automaton has 40 accepting balls. 244 [2022-11-18 20:01:47,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1116 states to 1092 states and 1381 transitions. [2022-11-18 20:01:47,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 682 [2022-11-18 20:01:47,558 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 719 [2022-11-18 20:01:47,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1092 states and 1381 transitions. [2022-11-18 20:01:47,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:47,558 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1092 states and 1381 transitions. [2022-11-18 20:01:47,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states and 1381 transitions. [2022-11-18 20:01:47,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1069. [2022-11-18 20:01:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 978 states have (on average 1.2259713701431494) internal successors, (1199), 978 states have internal predecessors, (1199), 53 states have call successors, (61), 35 states have call predecessors, (61), 38 states have return successors, (98), 55 states have call predecessors, (98), 49 states have call successors, (98) [2022-11-18 20:01:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1358 transitions. [2022-11-18 20:01:47,591 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1069 states and 1358 transitions. [2022-11-18 20:01:47,591 INFO L428 stractBuchiCegarLoop]: Abstraction has 1069 states and 1358 transitions. [2022-11-18 20:01:47,591 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-18 20:01:47,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1069 states and 1358 transitions. [2022-11-18 20:01:47,598 INFO L131 ngComponentsAnalysis]: Automaton has 40 accepting balls. 244 [2022-11-18 20:01:47,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:47,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:47,601 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:47,602 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:01:47,602 INFO L748 eck$LassoCheckResult]: Stem: 9625#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9580#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 9581#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 9595#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 9596#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 9597#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 9598#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 9680#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 9576#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 9649#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 9868#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 9869#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 9882#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 9881#L24 assume ~n#1 < 2; 9879#merge_sortFINAL assume true; 9880#merge_sortEXIT >#87#return; 9859#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 9860#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 9887#L24 assume ~n#1 < 2; 9883#merge_sortFINAL assume true; 9884#merge_sortEXIT >#89#return; 9854#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 9855#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 9924#L12 assume !(merge_~j~0#1 == merge_~n#1); 9925#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 9919#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 9920#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 10266#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 10264#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 10261#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 10169#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 9647#L11-4 merge_~i~0#1 := 0; 9629#L17-3 [2022-11-18 20:01:47,602 INFO L750 eck$LassoCheckResult]: Loop: 9629#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 9628#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 9629#L17-3 [2022-11-18 20:01:47,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:47,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1016219187, now seen corresponding path program 1 times [2022-11-18 20:01:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:47,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15631175] [2022-11-18 20:01:47,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:47,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:47,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:01:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:47,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 20:01:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-18 20:01:47,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:47,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15631175] [2022-11-18 20:01:47,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15631175] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:01:47,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677611506] [2022-11-18 20:01:47,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:47,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:01:47,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:47,719 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:01:47,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Waiting until timeout for monitored process [2022-11-18 20:01:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:47,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:01:47,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:47,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:01:47,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:01:47,938 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:01:47,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677611506] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:01:47,938 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:01:47,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2022-11-18 20:01:47,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591522599] [2022-11-18 20:01:47,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:01:47,939 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:01:47,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:47,939 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 2 times [2022-11-18 20:01:47,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:47,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410366642] [2022-11-18 20:01:47,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:47,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:47,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:47,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:48,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:48,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:01:48,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:01:48,021 INFO L87 Difference]: Start difference. First operand 1069 states and 1358 transitions. cyclomatic complexity: 365 Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:01:48,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:48,154 INFO L93 Difference]: Finished difference Result 1867 states and 2274 transitions. [2022-11-18 20:01:48,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1867 states and 2274 transitions. [2022-11-18 20:01:48,171 INFO L131 ngComponentsAnalysis]: Automaton has 40 accepting balls. 246 [2022-11-18 20:01:48,186 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1867 states to 1845 states and 2252 transitions. [2022-11-18 20:01:48,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1152 [2022-11-18 20:01:48,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1152 [2022-11-18 20:01:48,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1845 states and 2252 transitions. [2022-11-18 20:01:48,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:48,189 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1845 states and 2252 transitions. [2022-11-18 20:01:48,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states and 2252 transitions. [2022-11-18 20:01:48,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1285. [2022-11-18 20:01:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1192 states have (on average 1.1937919463087248) internal successors, (1423), 1194 states have internal predecessors, (1423), 53 states have call successors, (61), 35 states have call predecessors, (61), 40 states have return successors, (100), 55 states have call predecessors, (100), 49 states have call successors, (100) [2022-11-18 20:01:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1584 transitions. [2022-11-18 20:01:48,246 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1285 states and 1584 transitions. [2022-11-18 20:01:48,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:01:48,247 INFO L428 stractBuchiCegarLoop]: Abstraction has 1285 states and 1584 transitions. [2022-11-18 20:01:48,248 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-18 20:01:48,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1285 states and 1584 transitions. [2022-11-18 20:01:48,255 INFO L131 ngComponentsAnalysis]: Automaton has 40 accepting balls. 244 [2022-11-18 20:01:48,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:48,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:48,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:48,257 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:01:48,257 INFO L748 eck$LassoCheckResult]: Stem: 12768#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12733#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 12734#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 12738#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 12739#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 12740#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 12741#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 12807#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 12719#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 12797#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 12998#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 12992#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 12996#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 12999#L24 assume ~n#1 < 2; 12997#merge_sortFINAL assume true; 12991#merge_sortEXIT >#87#return; 12778#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 12779#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 12789#L24 assume ~n#1 < 2; 12790#merge_sortFINAL assume true; 13359#merge_sortEXIT >#89#return; 12942#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 13629#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 13628#L12 assume !(merge_~j~0#1 == merge_~n#1); 13627#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 13625#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 13626#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 13800#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 13798#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 13774#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 13778#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 13776#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 13773#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 13770#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 13015#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 13014#L11-4 merge_~i~0#1 := 0; 12784#L17-3 [2022-11-18 20:01:48,257 INFO L750 eck$LassoCheckResult]: Loop: 12784#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 12785#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 12784#L17-3 [2022-11-18 20:01:48,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:48,258 INFO L85 PathProgramCache]: Analyzing trace with hash -2097782888, now seen corresponding path program 1 times [2022-11-18 20:01:48,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:48,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21655910] [2022-11-18 20:01:48,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:48,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:48,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:48,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:48,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:48,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 3 times [2022-11-18 20:01:48,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:48,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040878372] [2022-11-18 20:01:48,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:48,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:48,306 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:48,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:48,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:48,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1629691942, now seen corresponding path program 1 times [2022-11-18 20:01:48,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:48,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434983006] [2022-11-18 20:01:48,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:48,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:48,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:48,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:51,926 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:01:51,926 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:01:51,926 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:01:51,926 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:01:51,926 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:01:51,926 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:51,926 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:01:51,926 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:01:51,927 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration15_Lasso [2022-11-18 20:01:51,927 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:01:51,927 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:01:51,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,932 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,938 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,951 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:51,967 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,332 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,341 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,343 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:53,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:01:54,469 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:01:54,469 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:01:54,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,471 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-11-18 20:01:54,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,492 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-11-18 20:01:54,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,510 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-11-18 20:01:54,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2022-11-18 20:01:54,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,532 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-11-18 20:01:54,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2022-11-18 20:01:54,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,550 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-11-18 20:01:54,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,568 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-11-18 20:01:54,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2022-11-18 20:01:54,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,587 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-11-18 20:01:54,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2022-11-18 20:01:54,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,605 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2022-11-18 20:01:54,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:54,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:54,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2022-11-18 20:01:54,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,627 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-11-18 20:01:54,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,658 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-11-18 20:01:54,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:54,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:54,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,679 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-11-18 20:01:54,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,700 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-11-18 20:01:54,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2022-11-18 20:01:54,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,719 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-11-18 20:01:54,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,739 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-11-18 20:01:54,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2022-11-18 20:01:54,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,759 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-11-18 20:01:54,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:54,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:54,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,783 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2022-11-18 20:01:54,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:54,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:54,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2022-11-18 20:01:54,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,812 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2022-11-18 20:01:54,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:54,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:54,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,859 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2022-11-18 20:01:54,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,878 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2022-11-18 20:01:54,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:54,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:54,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,902 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2022-11-18 20:01:54,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:01:54,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:01:54,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:01:54,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2022-11-18 20:01:54,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,921 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2022-11-18 20:01:54,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,933 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2022-11-18 20:01:54,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,940 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-18 20:01:54,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:54,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,960 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2022-11-18 20:01:54,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:54,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:54,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:54,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:54,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:54,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:54,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:54,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:54,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:54,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:54,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:54,992 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:54,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2022-11-18 20:01:54,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:55,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:55,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:55,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:55,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:55,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:55,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:55,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:01:55,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2022-11-18 20:01:55,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:55,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:55,014 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:55,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:01:55,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2022-11-18 20:01:55,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:01:55,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:01:55,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:01:55,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:01:55,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:01:55,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:01:55,098 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:01:55,143 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-18 20:01:55,143 INFO L444 ModelExtractionUtils]: 49 out of 64 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-18 20:01:55,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:01:55,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:55,145 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:01:55,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2022-11-18 20:01:55,147 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:01:55,158 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:01:55,158 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:01:55,158 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~n#1, merge_sort_merge_~i~0#1) = 1*merge_sort_merge_~n#1 - 1*merge_sort_merge_~i~0#1 Supporting invariants [] [2022-11-18 20:01:55,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2022-11-18 20:01:55,266 INFO L156 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2022-11-18 20:01:55,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:55,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:01:55,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:55,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:01:55,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:01:55,482 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:01:55,483 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1285 states and 1584 transitions. cyclomatic complexity: 375 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:01:55,551 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1285 states and 1584 transitions. cyclomatic complexity: 375. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 1390 states and 1729 transitions. Complement of second has 12 states. [2022-11-18 20:01:55,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:01:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:01:55,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-11-18 20:01:55,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-18 20:01:55,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:55,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 38 letters. Loop has 2 letters. [2022-11-18 20:01:55,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:55,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 36 letters. Loop has 4 letters. [2022-11-18 20:01:55,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:01:55,555 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1390 states and 1729 transitions. [2022-11-18 20:01:55,567 INFO L131 ngComponentsAnalysis]: Automaton has 36 accepting balls. 236 [2022-11-18 20:01:55,577 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1390 states to 1270 states and 1578 transitions. [2022-11-18 20:01:55,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 834 [2022-11-18 20:01:55,578 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 842 [2022-11-18 20:01:55,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1270 states and 1578 transitions. [2022-11-18 20:01:55,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:55,579 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1270 states and 1578 transitions. [2022-11-18 20:01:55,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states and 1578 transitions. [2022-11-18 20:01:55,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1213. [2022-11-18 20:01:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 1126 states have (on average 1.199822380106572) internal successors, (1351), 1133 states have internal predecessors, (1351), 47 states have call successors, (52), 29 states have call predecessors, (52), 40 states have return successors, (105), 50 states have call predecessors, (105), 44 states have call successors, (105) [2022-11-18 20:01:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1508 transitions. [2022-11-18 20:01:55,609 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1213 states and 1508 transitions. [2022-11-18 20:01:55,609 INFO L428 stractBuchiCegarLoop]: Abstraction has 1213 states and 1508 transitions. [2022-11-18 20:01:55,609 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-18 20:01:55,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1213 states and 1508 transitions. [2022-11-18 20:01:55,615 INFO L131 ngComponentsAnalysis]: Automaton has 36 accepting balls. 236 [2022-11-18 20:01:55,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:55,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:55,616 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:55,617 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:55,617 INFO L748 eck$LassoCheckResult]: Stem: 15667#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 15626#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 15627#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 15631#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 15632#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 15704#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 15705#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 15633#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 15634#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 15722#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 15693#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 15694#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 16042#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 16033#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 16035#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 16039#L24 assume ~n#1 < 2; 16037#merge_sortFINAL assume true; 16032#merge_sortEXIT >#87#return; 15600#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 16031#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 16030#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 16025#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 16027#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 16029#L24 assume ~n#1 < 2; 16028#merge_sortFINAL assume true; 16024#merge_sortEXIT >#87#return; 16000#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 16001#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 16017#L24 assume ~n#1 < 2; 16018#merge_sortFINAL assume true; 15999#merge_sortEXIT >#89#return; 15998#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 15997#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 15996#L12 assume !(merge_~j~0#1 == merge_~n#1); 15995#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 15993#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 15994#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 16239#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 16236#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 15689#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 15669#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 15639#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 15640#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 16719#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 15958#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 15756#L11-4 merge_~i~0#1 := 0; 15752#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 15684#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 16624#L8 assume { :end_inline_merge } true; 16611#merge_sortFINAL assume true; 15649#merge_sortEXIT >#89#return; 15650#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 16761#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 16760#L12 assume !(merge_~j~0#1 == merge_~n#1); 16758#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 16755#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 16756#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 16754#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 16751#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 16749#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 16746#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 16610#L12 [2022-11-18 20:01:55,617 INFO L750 eck$LassoCheckResult]: Loop: 16610#L12 assume !(merge_~j~0#1 == merge_~n#1); 16752#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 16735#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 16747#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 16728#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 16721#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 16717#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 16609#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 16610#L12 [2022-11-18 20:01:55,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:55,618 INFO L85 PathProgramCache]: Analyzing trace with hash 750594749, now seen corresponding path program 1 times [2022-11-18 20:01:55,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:55,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581076276] [2022-11-18 20:01:55,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:55,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:55,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2022-11-18 20:01:55,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:01:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:55,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:01:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:55,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:01:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:55,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:01:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:55,864 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-18 20:01:55,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:55,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581076276] [2022-11-18 20:01:55,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581076276] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:01:55,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69952201] [2022-11-18 20:01:55,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:55,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:01:55,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:01:55,867 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:01:55,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (139)] Waiting until timeout for monitored process [2022-11-18 20:01:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:56,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-18 20:01:56,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:01:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 27 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-18 20:01:56,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:01:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 27 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-18 20:01:56,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69952201] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:01:56,641 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:01:56,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 27 [2022-11-18 20:01:56,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579830359] [2022-11-18 20:01:56,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:01:56,642 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:01:56,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:56,642 INFO L85 PathProgramCache]: Analyzing trace with hash 233986997, now seen corresponding path program 2 times [2022-11-18 20:01:56,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:56,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225718777] [2022-11-18 20:01:56,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:56,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:56,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:56,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:56,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:56,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-18 20:01:56,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2022-11-18 20:01:56,903 INFO L87 Difference]: Start difference. First operand 1213 states and 1508 transitions. cyclomatic complexity: 372 Second operand has 27 states, 25 states have (on average 3.68) internal successors, (92), 22 states have internal predecessors, (92), 9 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) [2022-11-18 20:01:58,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:58,429 INFO L93 Difference]: Finished difference Result 2171 states and 2689 transitions. [2022-11-18 20:01:58,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2171 states and 2689 transitions. [2022-11-18 20:01:58,451 INFO L131 ngComponentsAnalysis]: Automaton has 85 accepting balls. 608 [2022-11-18 20:01:58,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2171 states to 2155 states and 2673 transitions. [2022-11-18 20:01:58,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1585 [2022-11-18 20:01:58,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1585 [2022-11-18 20:01:58,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2155 states and 2673 transitions. [2022-11-18 20:01:58,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:01:58,468 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2155 states and 2673 transitions. [2022-11-18 20:01:58,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states and 2673 transitions. [2022-11-18 20:01:58,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 1444. [2022-11-18 20:01:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1347 states have (on average 1.1915367483296213) internal successors, (1605), 1350 states have internal predecessors, (1605), 56 states have call successors, (62), 31 states have call predecessors, (62), 41 states have return successors, (121), 62 states have call predecessors, (121), 53 states have call successors, (121) [2022-11-18 20:01:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1788 transitions. [2022-11-18 20:01:58,519 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1444 states and 1788 transitions. [2022-11-18 20:01:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-18 20:01:58,520 INFO L428 stractBuchiCegarLoop]: Abstraction has 1444 states and 1788 transitions. [2022-11-18 20:01:58,520 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-11-18 20:01:58,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1444 states and 1788 transitions. [2022-11-18 20:01:58,528 INFO L131 ngComponentsAnalysis]: Automaton has 41 accepting balls. 290 [2022-11-18 20:01:58,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:01:58,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:01:58,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:58,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:58,537 INFO L748 eck$LassoCheckResult]: Stem: 19550#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 19511#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 19512#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 19520#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 19521#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 19578#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 19579#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 19522#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 19523#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 19613#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 19479#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 19569#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 19842#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 20009#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 20010#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 20023#L24 assume ~n#1 < 2; 20024#merge_sortFINAL assume true; 20008#merge_sortEXIT >#87#return; 19543#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 20554#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 20553#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 19542#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 19544#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 20406#L24 assume ~n#1 < 2; 20405#merge_sortFINAL assume true; 20404#merge_sortEXIT >#87#return; 19499#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 19497#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 19500#L24 assume ~n#1 < 2; 20497#merge_sortFINAL assume true; 20498#merge_sortEXIT >#89#return; 20551#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 20738#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 20737#L12 assume !(merge_~j~0#1 == merge_~n#1); 20736#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 20735#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 20592#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 20593#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 20589#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 19564#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 19565#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 20724#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 20721#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 20717#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 20709#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 20706#L11-4 merge_~i~0#1 := 0; 20705#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 20704#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 20703#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 20701#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 20700#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 20698#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 20696#L8 assume { :end_inline_merge } true; 20694#merge_sortFINAL assume true; 20691#merge_sortEXIT >#89#return; 19530#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 19531#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 20896#L12 assume !(merge_~j~0#1 == merge_~n#1); 20895#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 20893#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 20891#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 20892#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 20874#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 20875#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 20877#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 20876#L12 [2022-11-18 20:01:58,537 INFO L750 eck$LassoCheckResult]: Loop: 20876#L12 assume !(merge_~j~0#1 == merge_~n#1); 19505#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 19506#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 19476#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 19478#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 19570#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 19562#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 19563#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 20876#L12 [2022-11-18 20:01:58,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:58,538 INFO L85 PathProgramCache]: Analyzing trace with hash 519552441, now seen corresponding path program 1 times [2022-11-18 20:01:58,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:58,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369518612] [2022-11-18 20:01:58,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:58,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:58,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:58,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:58,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:58,714 INFO L85 PathProgramCache]: Analyzing trace with hash 233986997, now seen corresponding path program 3 times [2022-11-18 20:01:58,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:58,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520604321] [2022-11-18 20:01:58,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:58,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:58,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:58,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:01:58,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:58,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1561125229, now seen corresponding path program 2 times [2022-11-18 20:01:58,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:58,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955146568] [2022-11-18 20:01:58,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:58,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:58,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:01:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:01:58,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:02:17,604 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:02:17,604 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:02:17,604 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:02:17,605 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:02:17,605 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:02:17,605 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:02:17,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:02:17,605 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:02:17,605 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration17_Lasso [2022-11-18 20:02:17,605 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:02:17,605 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:02:17,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:17,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:17,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,755 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,758 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,778 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,799 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,812 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:21,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:02:23,913 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:02:23,913 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:02:23,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:02:23,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:02:23,918 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:02:23,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2022-11-18 20:02:23,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:02:23,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:02:23,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:02:23,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:02:23,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:02:23,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:02:23,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:02:23,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:02:23,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:02:23,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2022-11-18 20:02:23,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:02:23,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:02:23,938 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:02:23,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2022-11-18 20:02:23,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:02:23,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:02:23,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:02:23,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:02:23,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:02:23,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:02:23,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:02:23,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:02:23,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:02:23,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2022-11-18 20:02:23,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:02:23,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:02:23,957 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:02:23,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2022-11-18 20:02:23,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:02:23,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:02:23,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:02:23,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:02:23,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:02:23,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:02:23,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:02:23,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:02:23,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2022-11-18 20:02:23,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:02:23,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:02:23,981 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:02:23,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2022-11-18 20:02:23,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:02:23,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:02:23,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:02:23,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:02:23,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:02:23,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:02:23,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:02:23,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:02:24,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:02:24,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2022-11-18 20:02:24,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:02:24,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:02:24,028 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:02:24,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2022-11-18 20:02:24,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:02:24,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:02:24,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:02:24,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:02:24,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:02:24,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:02:24,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:02:24,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:02:24,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:02:24,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2022-11-18 20:02:24,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:02:24,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:02:24,047 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:02:24,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2022-11-18 20:02:24,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:02:24,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:02:24,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:02:24,061 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-18 20:02:24,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:02:24,181 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2022-11-18 20:02:24,181 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-18 20:02:26,850 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:02:30,778 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2022-11-18 20:02:30,778 INFO L444 ModelExtractionUtils]: 68 out of 208 variables were initially zero. Simplification set additionally 135 variables to zero. [2022-11-18 20:02:30,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:02:30,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:02:30,782 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:02:30,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2022-11-18 20:02:30,783 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:02:30,799 INFO L438 nArgumentSynthesizer]: Removed 7 redundant supporting invariants from a total of 8. [2022-11-18 20:02:30,799 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:02:30,800 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~n#1, merge_sort_merge_~j~0#1) = 1*merge_sort_merge_~n#1 - 1*merge_sort_merge_~j~0#1 Supporting invariants [-1*merge_sort_merge_~i~0#1 >= 0] [2022-11-18 20:02:30,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2022-11-18 20:02:31,092 INFO L156 tatePredicateManager]: 23 out of 26 supporting invariants were superfluous and have been removed [2022-11-18 20:02:31,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:31,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-18 20:02:31,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:02:31,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2022-11-18 20:02:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:32,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:02:32,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:02:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:02:32,595 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.18 stem predicates 3 loop predicates [2022-11-18 20:02:32,595 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1444 states and 1788 transitions. cyclomatic complexity: 432 Second operand has 22 states, 19 states have (on average 2.736842105263158) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:02:33,741 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1444 states and 1788 transitions. cyclomatic complexity: 432. Second operand has 22 states, 19 states have (on average 2.736842105263158) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Result 1509 states and 1900 transitions. Complement of second has 48 states. [2022-11-18 20:02:33,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 19 states 18 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:02:33,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 2.736842105263158) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:02:33,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 34 transitions. [2022-11-18 20:02:33,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 34 transitions. Stem has 65 letters. Loop has 8 letters. [2022-11-18 20:02:33,744 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:02:33,744 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:02:33,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:33,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-18 20:02:33,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:02:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:34,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:02:34,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:02:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:02:35,101 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.18 stem predicates 3 loop predicates [2022-11-18 20:02:35,101 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1444 states and 1788 transitions. cyclomatic complexity: 432 Second operand has 22 states, 19 states have (on average 2.736842105263158) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:02:36,222 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1444 states and 1788 transitions. cyclomatic complexity: 432. Second operand has 22 states, 19 states have (on average 2.736842105263158) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Result 1509 states and 1900 transitions. Complement of second has 48 states. [2022-11-18 20:02:36,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 19 states 18 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:02:36,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 2.736842105263158) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:02:36,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 34 transitions. [2022-11-18 20:02:36,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 34 transitions. Stem has 65 letters. Loop has 8 letters. [2022-11-18 20:02:36,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:02:36,224 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:02:36,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:36,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-18 20:02:36,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:02:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:37,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:02:37,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:02:37,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:02:37,652 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.18 stem predicates 3 loop predicates [2022-11-18 20:02:37,652 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1444 states and 1788 transitions. cyclomatic complexity: 432 Second operand has 22 states, 19 states have (on average 2.736842105263158) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:02:39,778 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1444 states and 1788 transitions. cyclomatic complexity: 432. Second operand has 22 states, 19 states have (on average 2.736842105263158) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Result 4027 states and 5117 transitions. Complement of second has 77 states. [2022-11-18 20:02:39,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 27 states 21 stem states 3 non-accepting loop states 2 accepting loop states [2022-11-18 20:02:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 2.736842105263158) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:02:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 222 transitions. [2022-11-18 20:02:39,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 222 transitions. Stem has 65 letters. Loop has 8 letters. [2022-11-18 20:02:39,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:02:39,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 222 transitions. Stem has 73 letters. Loop has 8 letters. [2022-11-18 20:02:39,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:02:39,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 27 states and 222 transitions. Stem has 65 letters. Loop has 16 letters. [2022-11-18 20:02:39,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:02:39,782 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4027 states and 5117 transitions. [2022-11-18 20:02:39,814 INFO L131 ngComponentsAnalysis]: Automaton has 138 accepting balls. 1032 [2022-11-18 20:02:39,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4027 states to 3985 states and 5068 transitions. [2022-11-18 20:02:39,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2418 [2022-11-18 20:02:39,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2612 [2022-11-18 20:02:39,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3985 states and 5068 transitions. [2022-11-18 20:02:39,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:02:39,859 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3985 states and 5068 transitions. [2022-11-18 20:02:39,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3985 states and 5068 transitions. [2022-11-18 20:02:39,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 2945. [2022-11-18 20:02:39,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2945 states, 2732 states have (on average 1.194363103953148) internal successors, (3263), 2742 states have internal predecessors, (3263), 127 states have call successors, (137), 57 states have call predecessors, (137), 86 states have return successors, (286), 145 states have call predecessors, (286), 124 states have call successors, (286) [2022-11-18 20:02:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2945 states and 3686 transitions. [2022-11-18 20:02:39,952 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2945 states and 3686 transitions. [2022-11-18 20:02:39,952 INFO L428 stractBuchiCegarLoop]: Abstraction has 2945 states and 3686 transitions. [2022-11-18 20:02:39,952 INFO L335 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2022-11-18 20:02:39,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2945 states and 3686 transitions. [2022-11-18 20:02:39,965 INFO L131 ngComponentsAnalysis]: Automaton has 87 accepting balls. 658 [2022-11-18 20:02:39,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:02:39,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:02:39,967 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:02:39,967 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:02:39,968 INFO L748 eck$LassoCheckResult]: Stem: 29162#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 29124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 29125#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 29128#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 29129#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 29201#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 29202#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 29130#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 29131#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 29199#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 29200#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 29221#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 29088#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 29220#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 29219#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 29210#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 29215#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 29222#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 29206#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 29212#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 29216#L24 assume ~n#1 < 2; 29217#merge_sortFINAL assume true; 29205#merge_sortEXIT >#87#return; 29208#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 29252#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 29478#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 29468#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 29471#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 29479#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 29480#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 29741#merge_sortENTRY [2022-11-18 20:02:39,968 INFO L750 eck$LassoCheckResult]: Loop: 29741#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 29744#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 29738#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 29741#merge_sortENTRY [2022-11-18 20:02:39,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:39,968 INFO L85 PathProgramCache]: Analyzing trace with hash 11293888, now seen corresponding path program 4 times [2022-11-18 20:02:39,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:02:39,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608387652] [2022-11-18 20:02:39,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:02:39,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:02:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:40,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:02:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:02:40,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:02:40,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608387652] [2022-11-18 20:02:40,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608387652] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:02:40,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059471833] [2022-11-18 20:02:40,379 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:02:40,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:02:40,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:02:40,384 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:02:40,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (147)] Waiting until timeout for monitored process [2022-11-18 20:02:40,517 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:02:40,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:02:40,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:02:40,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:02:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-18 20:02:40,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:02:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-18 20:02:40,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059471833] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:02:40,861 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:02:40,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 26 [2022-11-18 20:02:40,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247339904] [2022-11-18 20:02:40,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:02:40,862 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:02:40,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:40,862 INFO L85 PathProgramCache]: Analyzing trace with hash 30001, now seen corresponding path program 5 times [2022-11-18 20:02:40,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:02:40,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793882202] [2022-11-18 20:02:40,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:02:40,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:02:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:40,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:02:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:40,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:02:41,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:02:41,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-18 20:02:41,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2022-11-18 20:02:41,022 INFO L87 Difference]: Start difference. First operand 2945 states and 3686 transitions. cyclomatic complexity: 913 Second operand has 26 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 20 states have internal predecessors, (39), 10 states have call successors, (12), 7 states have call predecessors, (12), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 20:02:42,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:02:42,043 INFO L93 Difference]: Finished difference Result 1556 states and 1922 transitions. [2022-11-18 20:02:42,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1556 states and 1922 transitions. [2022-11-18 20:02:42,054 INFO L131 ngComponentsAnalysis]: Automaton has 74 accepting balls. 540 [2022-11-18 20:02:42,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1556 states to 1538 states and 1902 transitions. [2022-11-18 20:02:42,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1374 [2022-11-18 20:02:42,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1386 [2022-11-18 20:02:42,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1538 states and 1902 transitions. [2022-11-18 20:02:42,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:02:42,068 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1538 states and 1902 transitions. [2022-11-18 20:02:42,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states and 1902 transitions. [2022-11-18 20:02:42,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 943. [2022-11-18 20:02:42,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 868 states have (on average 1.1843317972350231) internal successors, (1028), 869 states have internal predecessors, (1028), 44 states have call successors, (46), 32 states have call predecessors, (46), 31 states have return successors, (78), 41 states have call predecessors, (78), 40 states have call successors, (78) [2022-11-18 20:02:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1152 transitions. [2022-11-18 20:02:42,096 INFO L240 hiAutomatonCegarLoop]: Abstraction has 943 states and 1152 transitions. [2022-11-18 20:02:42,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 20:02:42,097 INFO L428 stractBuchiCegarLoop]: Abstraction has 943 states and 1152 transitions. [2022-11-18 20:02:42,097 INFO L335 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2022-11-18 20:02:42,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 943 states and 1152 transitions. [2022-11-18 20:02:42,102 INFO L131 ngComponentsAnalysis]: Automaton has 36 accepting balls. 246 [2022-11-18 20:02:42,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:02:42,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:02:42,103 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:02:42,103 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:02:42,103 INFO L748 eck$LassoCheckResult]: Stem: 33896#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 33869#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 33870#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 33875#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 33876#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 33877#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 33878#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 33927#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 33925#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 33926#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 33847#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 33917#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 33980#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 33974#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 33977#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 33981#L24 assume ~n#1 < 2; 33978#merge_sortFINAL assume true; 33973#merge_sortEXIT >#87#return; 33849#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 33972#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 34123#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 34118#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 34119#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 34121#L24 assume ~n#1 < 2; 34120#merge_sortFINAL assume true; 34117#merge_sortEXIT >#87#return; 34114#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 34115#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 34122#L24 assume ~n#1 < 2; 34116#merge_sortFINAL assume true; 34113#merge_sortEXIT >#89#return; 34112#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 34110#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 34108#L12 assume !(merge_~j~0#1 == merge_~n#1); 34107#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 34104#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 34105#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 34111#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 34109#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 33910#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 33899#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 33883#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 33884#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 34143#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 33991#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 33990#L11-4 merge_~i~0#1 := 0; 33989#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 33988#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 33987#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 33986#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 33985#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 33984#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 33983#L8 assume { :end_inline_merge } true; 33982#merge_sortFINAL assume true; 33971#merge_sortEXIT >#89#return; 33970#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 33969#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 33966#L12 assume !(merge_~j~0#1 == merge_~n#1); 33968#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 34760#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 34757#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 34756#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 34755#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 34754#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 33897#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 33898#L12 [2022-11-18 20:02:42,103 INFO L750 eck$LassoCheckResult]: Loop: 33898#L12 assume !(merge_~j~0#1 == merge_~n#1); 34765#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 33856#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 33893#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 34784#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 34783#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 34782#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 34764#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 33898#L12 [2022-11-18 20:02:42,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:42,104 INFO L85 PathProgramCache]: Analyzing trace with hash 576810743, now seen corresponding path program 1 times [2022-11-18 20:02:42,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:02:42,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287759608] [2022-11-18 20:02:42,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:02:42,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:02:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:42,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:02:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:42,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:02:42,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash 291245299, now seen corresponding path program 2 times [2022-11-18 20:02:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:02:42,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535701278] [2022-11-18 20:02:42,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:02:42,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:02:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:42,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:02:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:42,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:02:42,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:42,222 INFO L85 PathProgramCache]: Analyzing trace with hash 607266281, now seen corresponding path program 2 times [2022-11-18 20:02:42,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:02:42,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606403264] [2022-11-18 20:02:42,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:02:42,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:02:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:42,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:02:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:02:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:02:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:02:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 38 proven. 30 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 20:02:42,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:02:42,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606403264] [2022-11-18 20:02:42,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606403264] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:02:42,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353983244] [2022-11-18 20:02:42,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:02:42,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:02:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:02:42,840 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:02:42,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (148)] Waiting until timeout for monitored process [2022-11-18 20:02:43,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:02:43,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:02:43,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:02:43,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:02:43,496 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-18 20:02:43,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:02:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 47 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-18 20:02:44,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353983244] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:02:44,566 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:02:44,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 17] total 40 [2022-11-18 20:02:44,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108681400] [2022-11-18 20:02:44,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:02:44,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:02:44,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-11-18 20:02:44,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1425, Unknown=0, NotChecked=0, Total=1560 [2022-11-18 20:02:44,815 INFO L87 Difference]: Start difference. First operand 943 states and 1152 transitions. cyclomatic complexity: 263 Second operand has 40 states, 35 states have (on average 3.3142857142857145) internal successors, (116), 29 states have internal predecessors, (116), 14 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (12), 9 states have call predecessors, (12), 11 states have call successors, (12) [2022-11-18 20:02:48,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:02:48,337 INFO L93 Difference]: Finished difference Result 1336 states and 1615 transitions. [2022-11-18 20:02:48,337 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1336 states and 1615 transitions. [2022-11-18 20:02:48,357 INFO L131 ngComponentsAnalysis]: Automaton has 62 accepting balls. 328 [2022-11-18 20:02:48,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1336 states to 1328 states and 1607 transitions. [2022-11-18 20:02:48,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1172 [2022-11-18 20:02:48,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1188 [2022-11-18 20:02:48,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1328 states and 1607 transitions. [2022-11-18 20:02:48,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:02:48,369 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1328 states and 1607 transitions. [2022-11-18 20:02:48,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states and 1607 transitions. [2022-11-18 20:02:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 886. [2022-11-18 20:02:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 810 states have (on average 1.1506172839506172) internal successors, (932), 810 states have internal predecessors, (932), 45 states have call successors, (47), 32 states have call predecessors, (47), 31 states have return successors, (76), 43 states have call predecessors, (76), 41 states have call successors, (76) [2022-11-18 20:02:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1055 transitions. [2022-11-18 20:02:48,396 INFO L240 hiAutomatonCegarLoop]: Abstraction has 886 states and 1055 transitions. [2022-11-18 20:02:48,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-18 20:02:48,397 INFO L428 stractBuchiCegarLoop]: Abstraction has 886 states and 1055 transitions. [2022-11-18 20:02:48,397 INFO L335 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2022-11-18 20:02:48,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 886 states and 1055 transitions. [2022-11-18 20:02:48,402 INFO L131 ngComponentsAnalysis]: Automaton has 38 accepting balls. 199 [2022-11-18 20:02:48,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:02:48,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:02:48,404 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:02:48,404 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:02:48,404 INFO L748 eck$LassoCheckResult]: Stem: 36789#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 36759#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 36760#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 36762#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 36763#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 36857#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 36856#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 36855#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 36854#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 36850#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 36737#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 36846#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 36842#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 36832#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 36835#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 36844#L24 assume ~n#1 < 2; 36840#merge_sortFINAL assume true; 36831#merge_sortEXIT >#87#return; 36827#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 36828#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 36949#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 36945#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 36946#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 36950#L24 assume ~n#1 < 2; 36948#merge_sortFINAL assume true; 36944#merge_sortEXIT >#87#return; 36916#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 36942#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 36951#L24 assume ~n#1 < 2; 36915#merge_sortFINAL assume true; 36917#merge_sortEXIT >#89#return; 36907#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 36908#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 36903#L12 assume !(merge_~j~0#1 == merge_~n#1); 36904#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 36898#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 36899#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 36958#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 36956#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 36939#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 36954#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 36952#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 36938#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 36875#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 36876#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 36871#L11-4 merge_~i~0#1 := 0; 36872#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 36867#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 36868#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 36864#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 36865#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 36858#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 36859#L8 assume { :end_inline_merge } true; 36829#merge_sortFINAL assume true; 36830#merge_sortEXIT >#89#return; 36823#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 36821#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 36818#L12 assume !(merge_~j~0#1 == merge_~n#1); 36819#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 37574#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 37573#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 37572#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 37571#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 37570#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 37569#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 37566#L12 assume !(merge_~j~0#1 == merge_~n#1); 36755#L13 [2022-11-18 20:02:48,404 INFO L750 eck$LassoCheckResult]: Loop: 36755#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 36756#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 37610#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 37596#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 37567#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 37568#L12 assume !(merge_~j~0#1 == merge_~n#1); 36755#L13 [2022-11-18 20:02:48,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:48,405 INFO L85 PathProgramCache]: Analyzing trace with hash 701263869, now seen corresponding path program 3 times [2022-11-18 20:02:48,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:02:48,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949670201] [2022-11-18 20:02:48,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:02:48,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:02:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:48,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:02:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:48,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:02:48,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:48,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1578483347, now seen corresponding path program 2 times [2022-11-18 20:02:48,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:02:48,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872549788] [2022-11-18 20:02:48,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:02:48,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:02:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:48,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:02:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:48,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:02:48,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:48,545 INFO L85 PathProgramCache]: Analyzing trace with hash -449494641, now seen corresponding path program 1 times [2022-11-18 20:02:48,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:02:48,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922395999] [2022-11-18 20:02:48,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:02:48,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:02:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:48,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:02:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:02:48,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:03:05,884 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:03:05,884 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:03:05,884 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:03:05,884 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:03:05,884 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:03:05,884 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:05,885 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:03:05,885 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:03:05,885 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration20_Lasso [2022-11-18 20:03:05,885 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:03:05,885 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:03:05,889 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,898 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,900 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,902 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,904 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,906 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,908 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,910 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,912 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,922 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:05,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,462 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:08,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:10,316 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:03:10,316 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:03:10,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,323 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2022-11-18 20:03:10,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2022-11-18 20:03:10,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,355 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2022-11-18 20:03:10,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:10,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,389 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2022-11-18 20:03:10,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:10,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,423 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2022-11-18 20:03:10,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:10,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,455 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2022-11-18 20:03:10,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2022-11-18 20:03:10,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,483 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2022-11-18 20:03:10,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2022-11-18 20:03:10,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,506 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2022-11-18 20:03:10,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:10,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,523 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2022-11-18 20:03:10,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:10,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,541 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2022-11-18 20:03:10,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2022-11-18 20:03:10,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,559 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2022-11-18 20:03:10,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:10,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:10,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2022-11-18 20:03:10,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,581 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2022-11-18 20:03:10,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2022-11-18 20:03:10,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,599 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2022-11-18 20:03:10,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2022-11-18 20:03:10,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,619 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2022-11-18 20:03:10,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2022-11-18 20:03:10,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,638 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2022-11-18 20:03:10,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2022-11-18 20:03:10,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,660 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2022-11-18 20:03:10,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2022-11-18 20:03:10,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,678 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2022-11-18 20:03:10,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:10,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:10,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2022-11-18 20:03:10,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,700 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2022-11-18 20:03:10,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2022-11-18 20:03:10,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,718 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2022-11-18 20:03:10,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2022-11-18 20:03:10,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,737 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2022-11-18 20:03:10,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,764 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2022-11-18 20:03:10,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,777 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-18 20:03:10,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:10,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2022-11-18 20:03:10,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,803 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2022-11-18 20:03:10,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:10,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,821 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2022-11-18 20:03:10,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2022-11-18 20:03:10,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,839 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2022-11-18 20:03:10,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:10,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:10,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2022-11-18 20:03:10,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,868 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2022-11-18 20:03:10,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:10,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:10,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2022-11-18 20:03:10,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,890 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2022-11-18 20:03:10,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:10,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:10,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2022-11-18 20:03:10,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,913 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2022-11-18 20:03:10,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:10,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:10,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:10,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:10,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:10,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2022-11-18 20:03:10,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:10,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:10,932 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:10,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2022-11-18 20:03:10,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:10,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:10,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:10,946 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 20:03:10,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:10,983 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-18 20:03:10,983 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 20:03:11,141 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:03:11,626 INFO L443 ModelExtractionUtils]: Simplification made 44 calls to the SMT solver. [2022-11-18 20:03:11,626 INFO L444 ModelExtractionUtils]: 51 out of 106 variables were initially zero. Simplification set additionally 51 variables to zero. [2022-11-18 20:03:11,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:11,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:11,629 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:11,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2022-11-18 20:03:11,630 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:03:11,642 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-11-18 20:03:11,642 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:03:11,642 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~n#1, merge_sort_merge_~j~0#1, merge_sort_merge_~a#1.offset) = 4*merge_sort_merge_~n#1 - 4*merge_sort_merge_~j~0#1 - 1*merge_sort_merge_~a#1.offset Supporting invariants [] [2022-11-18 20:03:11,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:11,831 INFO L156 tatePredicateManager]: 27 out of 29 supporting invariants were superfluous and have been removed [2022-11-18 20:03:11,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:11,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-18 20:03:11,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:12,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2022-11-18 20:03:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:12,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:03:12,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:13,079 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.17 stem predicates 4 loop predicates [2022-11-18 20:03:13,079 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 886 states and 1055 transitions. cyclomatic complexity: 220 Second operand has 21 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 16 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:03:14,092 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 886 states and 1055 transitions. cyclomatic complexity: 220. Second operand has 21 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 16 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Result 886 states and 1055 transitions. Complement of second has 41 states. [2022-11-18 20:03:14,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 19 states 18 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:03:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 16 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:03:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 35 transitions. [2022-11-18 20:03:14,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 35 transitions. Stem has 66 letters. Loop has 6 letters. [2022-11-18 20:03:14,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:03:14,096 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:03:14,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:14,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-18 20:03:14,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:15,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:03:15,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:15,285 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.17 stem predicates 4 loop predicates [2022-11-18 20:03:15,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 886 states and 1055 transitions. cyclomatic complexity: 220 Second operand has 21 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 16 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:03:16,241 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 886 states and 1055 transitions. cyclomatic complexity: 220. Second operand has 21 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 16 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Result 886 states and 1055 transitions. Complement of second has 41 states. [2022-11-18 20:03:16,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 19 states 18 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:03:16,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 16 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:03:16,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 35 transitions. [2022-11-18 20:03:16,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 35 transitions. Stem has 66 letters. Loop has 6 letters. [2022-11-18 20:03:16,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:03:16,243 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:03:16,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:16,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-18 20:03:16,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:17,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:03:17,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:03:17,437 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.17 stem predicates 4 loop predicates [2022-11-18 20:03:17,437 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 886 states and 1055 transitions. cyclomatic complexity: 220 Second operand has 21 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 16 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:03:18,967 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 886 states and 1055 transitions. cyclomatic complexity: 220. Second operand has 21 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 16 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Result 936 states and 1113 transitions. Complement of second has 59 states. [2022-11-18 20:03:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 25 states 20 stem states 3 non-accepting loop states 2 accepting loop states [2022-11-18 20:03:18,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 16 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:03:18,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 172 transitions. [2022-11-18 20:03:18,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 172 transitions. Stem has 66 letters. Loop has 6 letters. [2022-11-18 20:03:18,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:03:18,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 172 transitions. Stem has 72 letters. Loop has 6 letters. [2022-11-18 20:03:18,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:03:18,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 172 transitions. Stem has 66 letters. Loop has 12 letters. [2022-11-18 20:03:18,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:03:18,972 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 936 states and 1113 transitions. [2022-11-18 20:03:18,980 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 213 [2022-11-18 20:03:18,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 936 states to 931 states and 1107 transitions. [2022-11-18 20:03:18,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 783 [2022-11-18 20:03:18,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 833 [2022-11-18 20:03:18,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 931 states and 1107 transitions. [2022-11-18 20:03:18,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:03:18,991 INFO L218 hiAutomatonCegarLoop]: Abstraction has 931 states and 1107 transitions. [2022-11-18 20:03:18,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states and 1107 transitions. [2022-11-18 20:03:19,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 900. [2022-11-18 20:03:19,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 824 states have (on average 1.1516990291262137) internal successors, (949), 824 states have internal predecessors, (949), 45 states have call successors, (47), 32 states have call predecessors, (47), 31 states have return successors, (76), 43 states have call predecessors, (76), 41 states have call successors, (76) [2022-11-18 20:03:19,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1072 transitions. [2022-11-18 20:03:19,010 INFO L240 hiAutomatonCegarLoop]: Abstraction has 900 states and 1072 transitions. [2022-11-18 20:03:19,010 INFO L428 stractBuchiCegarLoop]: Abstraction has 900 states and 1072 transitions. [2022-11-18 20:03:19,010 INFO L335 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2022-11-18 20:03:19,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 900 states and 1072 transitions. [2022-11-18 20:03:19,015 INFO L131 ngComponentsAnalysis]: Automaton has 38 accepting balls. 199 [2022-11-18 20:03:19,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:03:19,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:03:19,016 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:19,016 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:03:19,016 INFO L748 eck$LassoCheckResult]: Stem: 41461#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 41436#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 41437#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 41442#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 41443#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 41534#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 41533#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 41532#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 41531#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 41527#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 41420#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 41523#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 41519#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 41508#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 41512#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 41521#L24 assume ~n#1 < 2; 41517#merge_sortFINAL assume true; 41507#merge_sortEXIT >#87#return; 41503#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 41504#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 41637#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 41635#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 41636#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 41639#L24 assume ~n#1 < 2; 41638#merge_sortFINAL assume true; 41634#merge_sortEXIT >#87#return; 41583#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 41584#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 41640#L24 assume ~n#1 < 2; 41632#merge_sortFINAL assume true; 41582#merge_sortEXIT >#89#return; 41581#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 41580#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 41577#L12 assume !(merge_~j~0#1 == merge_~n#1); 41574#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 41570#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 41566#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 41562#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 41559#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 41556#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 41554#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 41551#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 41552#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 41608#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 41607#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 41606#L11-4 merge_~i~0#1 := 0; 41605#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 41604#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 41603#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 41602#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 41601#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 41537#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 41538#L8 assume { :end_inline_merge } true; 41505#merge_sortFINAL assume true; 41506#merge_sortEXIT >#89#return; 41499#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 41497#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 41494#L12 assume !(merge_~j~0#1 == merge_~n#1); 41491#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 41460#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 41422#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 41423#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 41500#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 41498#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 41496#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 41492#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 41447#L12-2 [2022-11-18 20:03:19,017 INFO L750 eck$LassoCheckResult]: Loop: 41447#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 42282#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 42281#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 41446#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 41447#L12-2 [2022-11-18 20:03:19,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:19,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1073743495, now seen corresponding path program 3 times [2022-11-18 20:03:19,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:19,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371923029] [2022-11-18 20:03:19,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:19,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:03:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:03:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:03:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:19,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:03:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-18 20:03:19,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:19,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371923029] [2022-11-18 20:03:19,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371923029] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:03:19,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453854041] [2022-11-18 20:03:19,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:03:19,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:19,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:19,430 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:19,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (176)] Waiting until timeout for monitored process [2022-11-18 20:03:19,873 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-18 20:03:19,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:03:19,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:03:19,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:20,076 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 23 proven. 17 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-18 20:03:20,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 23 proven. 17 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-18 20:03:20,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453854041] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:03:20,234 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:03:20,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 21 [2022-11-18 20:03:20,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137889673] [2022-11-18 20:03:20,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:03:20,235 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:03:20,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:20,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2032998, now seen corresponding path program 3 times [2022-11-18 20:03:20,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:20,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695574242] [2022-11-18 20:03:20,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:20,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:20,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:03:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:20,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:03:20,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:20,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-18 20:03:20,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-11-18 20:03:20,362 INFO L87 Difference]: Start difference. First operand 900 states and 1072 transitions. cyclomatic complexity: 224 Second operand has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 20 states have internal predecessors, (85), 5 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-18 20:03:21,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:21,192 INFO L93 Difference]: Finished difference Result 1158 states and 1403 transitions. [2022-11-18 20:03:21,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1158 states and 1403 transitions. [2022-11-18 20:03:21,200 INFO L131 ngComponentsAnalysis]: Automaton has 53 accepting balls. 267 [2022-11-18 20:03:21,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1158 states to 1158 states and 1403 transitions. [2022-11-18 20:03:21,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1046 [2022-11-18 20:03:21,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1046 [2022-11-18 20:03:21,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1158 states and 1403 transitions. [2022-11-18 20:03:21,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:03:21,209 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1158 states and 1403 transitions. [2022-11-18 20:03:21,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states and 1403 transitions. [2022-11-18 20:03:21,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 975. [2022-11-18 20:03:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 899 states have (on average 1.153503893214683) internal successors, (1037), 898 states have internal predecessors, (1037), 45 states have call successors, (47), 33 states have call predecessors, (47), 31 states have return successors, (76), 43 states have call predecessors, (76), 41 states have call successors, (76) [2022-11-18 20:03:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1160 transitions. [2022-11-18 20:03:21,231 INFO L240 hiAutomatonCegarLoop]: Abstraction has 975 states and 1160 transitions. [2022-11-18 20:03:21,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 20:03:21,232 INFO L428 stractBuchiCegarLoop]: Abstraction has 975 states and 1160 transitions. [2022-11-18 20:03:21,232 INFO L335 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2022-11-18 20:03:21,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 975 states and 1160 transitions. [2022-11-18 20:03:21,237 INFO L131 ngComponentsAnalysis]: Automaton has 41 accepting balls. 225 [2022-11-18 20:03:21,237 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:03:21,237 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:03:21,238 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:21,238 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:03:21,238 INFO L748 eck$LassoCheckResult]: Stem: 44023#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 43994#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 43995#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 43997#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 43998#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 44093#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 44092#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 44091#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 44090#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 44086#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 43969#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 44083#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 44079#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 44069#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 44071#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 44081#L24 assume ~n#1 < 2; 44077#merge_sortFINAL assume true; 44068#merge_sortEXIT >#87#return; 44062#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 44063#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 44200#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 44198#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 44199#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 44202#L24 assume ~n#1 < 2; 44201#merge_sortFINAL assume true; 44197#merge_sortEXIT >#87#return; 44151#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 44188#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 44196#L24 assume ~n#1 < 2; 44150#merge_sortFINAL assume true; 44152#merge_sortEXIT >#89#return; 44187#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 44186#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 44185#L12 assume !(merge_~j~0#1 == merge_~n#1); 44184#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 44182#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 44183#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 44193#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 44191#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 44112#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 44190#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 44189#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 44111#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 44110#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 44109#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 44108#L11-4 merge_~i~0#1 := 0; 44107#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 44106#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 44105#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 44104#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 44102#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 44103#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 44098#L8 assume { :end_inline_merge } true; 44099#merge_sortFINAL assume true; 44061#merge_sortEXIT >#89#return; 44060#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 44059#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 44054#L12 assume !(merge_~j~0#1 == merge_~n#1); 44056#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 44252#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 44251#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 44250#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 44249#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 44248#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 44247#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 44246#L12 assume !(merge_~j~0#1 == merge_~n#1); 44244#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 44245#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 44942#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 44941#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 44432#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 44431#L11-4 merge_~i~0#1 := 0; 44028#L17-3 [2022-11-18 20:03:21,239 INFO L750 eck$LassoCheckResult]: Loop: 44028#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 44027#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 44028#L17-3 [2022-11-18 20:03:21,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:21,239 INFO L85 PathProgramCache]: Analyzing trace with hash -449494681, now seen corresponding path program 2 times [2022-11-18 20:03:21,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:21,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886974599] [2022-11-18 20:03:21,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:21,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:21,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:03:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:03:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:03:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:21,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:03:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:21,507 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 30 proven. 26 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-18 20:03:21,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:21,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886974599] [2022-11-18 20:03:21,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886974599] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:03:21,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275944572] [2022-11-18 20:03:21,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:03:21,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:21,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:21,511 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:21,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (177)] Waiting until timeout for monitored process [2022-11-18 20:03:21,712 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:03:21,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:03:21,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:03:21,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 33 proven. 23 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-18 20:03:21,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 33 proven. 23 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-18 20:03:21,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275944572] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:03:21,962 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:03:21,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 17 [2022-11-18 20:03:21,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413973530] [2022-11-18 20:03:21,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:03:21,963 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:03:21,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:21,963 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 4 times [2022-11-18 20:03:21,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:21,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596394114] [2022-11-18 20:03:21,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:21,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:21,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:03:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:21,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:03:22,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:22,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-18 20:03:22,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-11-18 20:03:22,044 INFO L87 Difference]: Start difference. First operand 975 states and 1160 transitions. cyclomatic complexity: 240 Second operand has 17 states, 17 states have (on average 4.647058823529412) internal successors, (79), 15 states have internal predecessors, (79), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:03:22,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:22,326 INFO L93 Difference]: Finished difference Result 1088 states and 1287 transitions. [2022-11-18 20:03:22,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1088 states and 1287 transitions. [2022-11-18 20:03:22,333 INFO L131 ngComponentsAnalysis]: Automaton has 41 accepting balls. 225 [2022-11-18 20:03:22,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1088 states to 1083 states and 1281 transitions. [2022-11-18 20:03:22,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 956 [2022-11-18 20:03:22,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 956 [2022-11-18 20:03:22,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1083 states and 1281 transitions. [2022-11-18 20:03:22,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:03:22,341 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1083 states and 1281 transitions. [2022-11-18 20:03:22,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states and 1281 transitions. [2022-11-18 20:03:22,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1015. [2022-11-18 20:03:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 939 states have (on average 1.1501597444089458) internal successors, (1080), 938 states have internal predecessors, (1080), 45 states have call successors, (47), 33 states have call predecessors, (47), 31 states have return successors, (76), 43 states have call predecessors, (76), 41 states have call successors, (76) [2022-11-18 20:03:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1203 transitions. [2022-11-18 20:03:22,372 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1015 states and 1203 transitions. [2022-11-18 20:03:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:03:22,373 INFO L428 stractBuchiCegarLoop]: Abstraction has 1015 states and 1203 transitions. [2022-11-18 20:03:22,373 INFO L335 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2022-11-18 20:03:22,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1015 states and 1203 transitions. [2022-11-18 20:03:22,378 INFO L131 ngComponentsAnalysis]: Automaton has 41 accepting balls. 225 [2022-11-18 20:03:22,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:03:22,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:03:22,379 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:22,380 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:03:22,380 INFO L748 eck$LassoCheckResult]: Stem: 46597#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 46569#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 46570#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 46575#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 46576#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 46577#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 46578#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 46637#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 46635#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 46636#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 46638#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 46631#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 46548#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 46623#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 46661#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 46654#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 46658#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 46664#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 46777#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 46780#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 46563#L24 assume ~n#1 < 2; 46779#merge_sortFINAL assume true; 46776#merge_sortEXIT >#87#return; 46778#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 46746#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 46841#L24 assume ~n#1 < 2; 46840#merge_sortFINAL assume true; 46838#merge_sortEXIT >#89#return; 46837#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 46836#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 46835#L12 assume !(merge_~j~0#1 == merge_~n#1); 46833#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 46834#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 46908#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 46904#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 46901#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 46894#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 46898#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 46896#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 46893#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 46891#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 46890#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 46889#L11-4 merge_~i~0#1 := 0; 46888#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 46887#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 46886#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 46885#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 46884#L8 assume { :end_inline_merge } true; 46883#merge_sortFINAL assume true; 46882#merge_sortEXIT >#87#return; 46861#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 46862#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 46992#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 46989#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 46591#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 46991#L24 assume ~n#1 < 2; 46990#merge_sortFINAL assume true; 46988#merge_sortEXIT >#87#return; 46558#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 46557#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 46559#L24 assume ~n#1 < 2; 46844#merge_sortFINAL assume true; 47094#merge_sortEXIT >#89#return; 47095#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 47185#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 47183#L12 assume !(merge_~j~0#1 == merge_~n#1); 47181#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 47088#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 47087#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 47086#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 47085#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 47083#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 47084#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 47156#L12 [2022-11-18 20:03:22,380 INFO L750 eck$LassoCheckResult]: Loop: 47156#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 47162#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 47160#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 47155#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 47156#L12 [2022-11-18 20:03:22,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:22,381 INFO L85 PathProgramCache]: Analyzing trace with hash -368617148, now seen corresponding path program 4 times [2022-11-18 20:03:22,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:22,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343457609] [2022-11-18 20:03:22,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:22,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:22,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:03:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:22,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:03:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:03:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 20:03:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:22,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:03:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 41 proven. 13 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 20:03:22,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:22,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343457609] [2022-11-18 20:03:22,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343457609] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:03:22,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525773656] [2022-11-18 20:03:22,688 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:03:22,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:22,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:22,691 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:22,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (178)] Waiting until timeout for monitored process [2022-11-18 20:03:22,931 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:03:22,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:03:22,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:03:22,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 58 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-18 20:03:23,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-18 20:03:23,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525773656] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:03:23,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:03:23,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 14 [2022-11-18 20:03:23,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611516265] [2022-11-18 20:03:23,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:03:23,139 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:03:23,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:23,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1495548, now seen corresponding path program 4 times [2022-11-18 20:03:23,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:23,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292097823] [2022-11-18 20:03:23,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:23,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:23,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:03:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:23,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:03:23,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:23,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 20:03:23,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:03:23,239 INFO L87 Difference]: Start difference. First operand 1015 states and 1203 transitions. cyclomatic complexity: 243 Second operand has 14 states, 14 states have (on average 4.5) internal successors, (63), 13 states have internal predecessors, (63), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-18 20:03:23,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:23,639 INFO L93 Difference]: Finished difference Result 1332 states and 1584 transitions. [2022-11-18 20:03:23,639 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1332 states and 1584 transitions. [2022-11-18 20:03:23,648 INFO L131 ngComponentsAnalysis]: Automaton has 53 accepting balls. 297 [2022-11-18 20:03:23,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1332 states to 1332 states and 1584 transitions. [2022-11-18 20:03:23,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1177 [2022-11-18 20:03:23,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1177 [2022-11-18 20:03:23,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1332 states and 1584 transitions. [2022-11-18 20:03:23,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:03:23,659 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1332 states and 1584 transitions. [2022-11-18 20:03:23,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states and 1584 transitions. [2022-11-18 20:03:23,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1041. [2022-11-18 20:03:23,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 965 states have (on average 1.1461139896373056) internal successors, (1106), 964 states have internal predecessors, (1106), 45 states have call successors, (47), 33 states have call predecessors, (47), 31 states have return successors, (76), 43 states have call predecessors, (76), 41 states have call successors, (76) [2022-11-18 20:03:23,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1229 transitions. [2022-11-18 20:03:23,682 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1041 states and 1229 transitions. [2022-11-18 20:03:23,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 20:03:23,683 INFO L428 stractBuchiCegarLoop]: Abstraction has 1041 states and 1229 transitions. [2022-11-18 20:03:23,683 INFO L335 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2022-11-18 20:03:23,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1041 states and 1229 transitions. [2022-11-18 20:03:23,688 INFO L131 ngComponentsAnalysis]: Automaton has 41 accepting balls. 225 [2022-11-18 20:03:23,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:03:23,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:03:23,689 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:23,689 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:03:23,689 INFO L748 eck$LassoCheckResult]: Stem: 49472#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 49444#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 49445#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 49447#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 49448#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 49536#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 49535#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 49534#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 49533#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 49530#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 49427#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 49527#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 49523#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 49513#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 49515#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 49525#L24 assume ~n#1 < 2; 49521#merge_sortFINAL assume true; 49512#merge_sortEXIT >#87#return; 49505#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 49615#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 49612#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 49601#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 49608#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 49611#L24 assume ~n#1 < 2; 49607#merge_sortFINAL assume true; 49600#merge_sortEXIT >#87#return; 49593#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 49594#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 49636#L24 assume ~n#1 < 2; 49635#merge_sortFINAL assume true; 49592#merge_sortEXIT >#89#return; 49590#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 49591#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 49586#L12 assume !(merge_~j~0#1 == merge_~n#1); 49587#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 49581#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 49582#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 49644#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 49642#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 49630#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 49639#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 49637#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 49629#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 49558#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 49559#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 49555#L11-4 merge_~i~0#1 := 0; 49554#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 49553#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 49552#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 49549#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 49547#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 49548#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 49543#L8 assume { :end_inline_merge } true; 49544#merge_sortFINAL assume true; 49504#merge_sortEXIT >#89#return; 49503#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 49502#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 49497#L12 assume !(merge_~j~0#1 == merge_~n#1); 49495#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 49496#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 49426#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 49428#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 49537#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 49538#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 49508#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 49509#L12 assume !(merge_~j~0#1 == merge_~n#1); 49500#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 49470#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 49471#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 49539#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 49540#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 49519#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 49520#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 49499#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 49453#L12-2 [2022-11-18 20:03:23,690 INFO L750 eck$LassoCheckResult]: Loop: 49453#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 50438#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 50437#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 49452#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 49453#L12-2 [2022-11-18 20:03:23,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:23,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1150241861, now seen corresponding path program 5 times [2022-11-18 20:03:23,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:23,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605570272] [2022-11-18 20:03:23,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:23,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:23,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:03:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:23,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:03:23,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:23,802 INFO L85 PathProgramCache]: Analyzing trace with hash 2032998, now seen corresponding path program 5 times [2022-11-18 20:03:23,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:23,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908625288] [2022-11-18 20:03:23,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:23,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:23,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:03:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:23,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:03:23,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:23,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1746497622, now seen corresponding path program 6 times [2022-11-18 20:03:23,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:23,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826562251] [2022-11-18 20:03:23,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:23,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:24,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:03:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:24,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:03:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:24,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:03:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:24,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:03:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-18 20:03:24,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:24,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826562251] [2022-11-18 20:03:24,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826562251] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:03:24,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38924828] [2022-11-18 20:03:24,160 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-18 20:03:24,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:03:24,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:24,167 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:03:24,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (179)] Waiting until timeout for monitored process [2022-11-18 20:03:24,401 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-11-18 20:03:24,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:03:24,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:03:24,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:03:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 45 proven. 29 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-18 20:03:24,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:03:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 49 proven. 13 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-18 20:03:24,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38924828] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:03:24,869 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:03:24,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 8] total 29 [2022-11-18 20:03:24,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255748246] [2022-11-18 20:03:24,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:03:24,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:24,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-18 20:03:24,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=724, Unknown=0, NotChecked=0, Total=812 [2022-11-18 20:03:24,983 INFO L87 Difference]: Start difference. First operand 1041 states and 1229 transitions. cyclomatic complexity: 243 Second operand has 29 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 26 states have internal predecessors, (103), 4 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-18 20:03:26,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:26,783 INFO L93 Difference]: Finished difference Result 1469 states and 1725 transitions. [2022-11-18 20:03:26,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1469 states and 1725 transitions. [2022-11-18 20:03:26,793 INFO L131 ngComponentsAnalysis]: Automaton has 51 accepting balls. 233 [2022-11-18 20:03:26,802 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1469 states to 1397 states and 1653 transitions. [2022-11-18 20:03:26,802 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1268 [2022-11-18 20:03:26,803 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1309 [2022-11-18 20:03:26,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1397 states and 1653 transitions. [2022-11-18 20:03:26,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:03:26,804 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1397 states and 1653 transitions. [2022-11-18 20:03:26,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states and 1653 transitions. [2022-11-18 20:03:26,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1028. [2022-11-18 20:03:26,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 951 states have (on average 1.1261829652996846) internal successors, (1071), 949 states have internal predecessors, (1071), 46 states have call successors, (48), 33 states have call predecessors, (48), 31 states have return successors, (77), 45 states have call predecessors, (77), 42 states have call successors, (77) [2022-11-18 20:03:26,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1196 transitions. [2022-11-18 20:03:26,826 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1028 states and 1196 transitions. [2022-11-18 20:03:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-18 20:03:26,827 INFO L428 stractBuchiCegarLoop]: Abstraction has 1028 states and 1196 transitions. [2022-11-18 20:03:26,827 INFO L335 stractBuchiCegarLoop]: ======== Iteration 25 ============ [2022-11-18 20:03:26,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1028 states and 1196 transitions. [2022-11-18 20:03:26,832 INFO L131 ngComponentsAnalysis]: Automaton has 34 accepting balls. 199 [2022-11-18 20:03:26,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:03:26,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:03:26,833 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:26,833 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:03:26,833 INFO L748 eck$LassoCheckResult]: Stem: 52617#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 52595#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 52596#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 52598#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 52599#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 52600#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 52601#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 52652#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 52650#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 52651#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 52577#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 52681#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 52679#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 52676#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 52677#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 52680#L24 assume ~n#1 < 2; 52678#merge_sortFINAL assume true; 52675#merge_sortEXIT >#87#return; 52673#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 52671#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 52784#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 52780#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 52781#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 52785#L24 assume ~n#1 < 2; 52783#merge_sortFINAL assume true; 52779#merge_sortEXIT >#87#return; 52776#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 52777#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 52782#L24 assume ~n#1 < 2; 52778#merge_sortFINAL assume true; 52775#merge_sortEXIT >#89#return; 52774#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 52741#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 52742#L12 assume !(merge_~j~0#1 == merge_~n#1); 52735#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 52736#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 52726#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 52727#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 52719#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 52716#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 52712#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 52713#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 52771#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 52770#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 52704#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 52705#L11-4 merge_~i~0#1 := 0; 52700#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 52701#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 52697#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 52694#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 52692#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 52693#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 52689#L8 assume { :end_inline_merge } true; 52672#merge_sortFINAL assume true; 52674#merge_sortEXIT >#89#return; 52608#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 52609#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 53551#L12 assume !(merge_~j~0#1 == merge_~n#1); 53568#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 53579#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 53578#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 53577#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 53576#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 53575#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 53574#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 53573#L12 assume !(merge_~j~0#1 == merge_~n#1); 53572#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 53570#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 53569#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 53428#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 53429#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 53430#L12 assume !(merge_~j~0#1 == merge_~n#1); 52592#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 52576#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 52605#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 52636#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 52637#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 52640#L11-4 merge_~i~0#1 := 0; 52622#L17-3 [2022-11-18 20:03:26,833 INFO L750 eck$LassoCheckResult]: Loop: 52622#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 52621#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 52622#L17-3 [2022-11-18 20:03:26,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:26,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1807016583, now seen corresponding path program 3 times [2022-11-18 20:03:26,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:26,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567780986] [2022-11-18 20:03:26,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:26,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:26,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:03:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:26,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:03:26,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:26,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 5 times [2022-11-18 20:03:26,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:26,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178953527] [2022-11-18 20:03:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:26,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:26,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:03:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:26,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:03:26,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:26,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1376147077, now seen corresponding path program 4 times [2022-11-18 20:03:26,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:26,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161315805] [2022-11-18 20:03:26,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:26,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:26,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:03:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:03:27,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:03:39,907 WARN L233 SmtUtils]: Spent 8.07s on a formula simplification. DAG size of input: 339 DAG size of output: 298 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:03:53,107 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:03:53,107 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:03:53,107 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:03:53,107 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:03:53,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:03:53,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:53,108 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:03:53,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:03:53,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration25_Lasso [2022-11-18 20:03:53,108 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:03:53,108 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:03:53,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,129 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,133 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,135 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,137 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,142 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,146 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,151 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,153 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:53,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:56,951 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:56,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:56,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:56,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:56,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:56,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:56,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:56,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:56,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:56,967 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:56,969 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:03:58,767 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:03:58,768 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:03:58,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,771 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2022-11-18 20:03:58,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2022-11-18 20:03:58,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,788 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2022-11-18 20:03:58,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:58,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,806 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2022-11-18 20:03:58,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2022-11-18 20:03:58,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,823 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2022-11-18 20:03:58,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2022-11-18 20:03:58,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,840 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2022-11-18 20:03:58,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2022-11-18 20:03:58,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,857 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2022-11-18 20:03:58,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2022-11-18 20:03:58,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,875 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2022-11-18 20:03:58,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2022-11-18 20:03:58,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,892 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2022-11-18 20:03:58,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2022-11-18 20:03:58,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,910 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2022-11-18 20:03:58,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2022-11-18 20:03:58,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,927 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2022-11-18 20:03:58,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2022-11-18 20:03:58,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,948 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2022-11-18 20:03:58,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2022-11-18 20:03:58,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,966 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2022-11-18 20:03:58,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:58,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:58,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:58,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:58,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:58,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:58,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:58,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:58,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:58,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2022-11-18 20:03:58,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:58,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:58,990 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:58,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2022-11-18 20:03:58,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:59,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:59,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:59,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2022-11-18 20:03:59,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,010 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2022-11-18 20:03:59,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:59,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:59,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:59,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2022-11-18 20:03:59,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,028 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2022-11-18 20:03:59,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:59,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:59,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:59,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2022-11-18 20:03:59,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,046 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2022-11-18 20:03:59,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:59,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:59,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:59,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:59,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,063 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2022-11-18 20:03:59,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:59,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:59,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:59,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,087 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2022-11-18 20:03:59,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:59,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:59,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:59,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:59,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,104 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2022-11-18 20:03:59,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:59,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:59,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:59,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2022-11-18 20:03:59,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,129 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2022-11-18 20:03:59,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:59,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:59,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2022-11-18 20:03:59,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,172 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2022-11-18 20:03:59,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:59,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:59,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:59,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2022-11-18 20:03:59,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,199 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2022-11-18 20:03:59,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:59,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:59,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:59,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:59,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,215 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2022-11-18 20:03:59,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:59,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:59,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2022-11-18 20:03:59,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,243 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2022-11-18 20:03:59,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:59,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:59,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:59,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,265 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2022-11-18 20:03:59,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,277 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2022-11-18 20:03:59,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,289 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-18 20:03:59,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:59,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2022-11-18 20:03:59,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,314 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2022-11-18 20:03:59,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:59,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:59,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:59,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2022-11-18 20:03:59,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,332 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2022-11-18 20:03:59,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:59,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:59,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2022-11-18 20:03:59,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,394 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2022-11-18 20:03:59,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:59,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:59,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2022-11-18 20:03:59,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,416 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2022-11-18 20:03:59,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:03:59,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:03:59,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:03:59,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:03:59,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:59,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,433 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2022-11-18 20:03:59,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:03:59,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:03:59,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:03:59,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:03:59,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:03:59,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:03:59,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:03:59,491 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:03:59,594 INFO L443 ModelExtractionUtils]: Simplification made 33 calls to the SMT solver. [2022-11-18 20:03:59,594 INFO L444 ModelExtractionUtils]: 23 out of 64 variables were initially zero. Simplification set additionally 38 variables to zero. [2022-11-18 20:03:59,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:03:59,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:03:59,600 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:03:59,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2022-11-18 20:03:59,604 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:03:59,614 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:03:59,614 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:03:59,615 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~i~0#1, v_rep(select #length merge_sort_#in~a#1.base)_8) = -4*merge_sort_merge_~i~0#1 + 1*v_rep(select #length merge_sort_#in~a#1.base)_8 Supporting invariants [] [2022-11-18 20:03:59,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Forceful destruction successful, exit code 0 [2022-11-18 20:03:59,955 INFO L156 tatePredicateManager]: 39 out of 45 supporting invariants were superfluous and have been removed [2022-11-18 20:03:59,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:00,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 71 conjunts are in the unsatisfiable core [2022-11-18 20:04:00,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:00,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Forceful destruction successful, exit code 0 [2022-11-18 20:04:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:01,591 WARN L261 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:04:01,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:01,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:01,656 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-18 20:04:01,656 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1028 states and 1196 transitions. cyclomatic complexity: 211 Second operand has 21 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 16 states have internal predecessors, (57), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:04:02,559 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1028 states and 1196 transitions. cyclomatic complexity: 211. Second operand has 21 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 16 states have internal predecessors, (57), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Result 1064 states and 1233 transitions. Complement of second has 38 states. [2022-11-18 20:04:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 19 states 18 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:04:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 16 states have internal predecessors, (57), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 20:04:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 52 transitions. [2022-11-18 20:04:02,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 52 transitions. Stem has 78 letters. Loop has 2 letters. [2022-11-18 20:04:02,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:04:02,561 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:04:02,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:02,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-18 20:04:02,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:03,995 WARN L261 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:04:03,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:04,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:04,059 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-18 20:04:04,059 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1028 states and 1196 transitions. cyclomatic complexity: 211 Second operand has 17 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:04:04,730 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1028 states and 1196 transitions. cyclomatic complexity: 211. Second operand has 17 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Result 1028 states and 1196 transitions. Complement of second has 27 states. [2022-11-18 20:04:04,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 14 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:04:04,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:04:04,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 39 transitions. [2022-11-18 20:04:04,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 39 transitions. Stem has 78 letters. Loop has 2 letters. [2022-11-18 20:04:04,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:04:04,732 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:04:04,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:04,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-18 20:04:04,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:06,062 WARN L261 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:04:06,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:06,147 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-18 20:04:06,148 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1028 states and 1196 transitions. cyclomatic complexity: 211 Second operand has 17 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:04:07,197 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1028 states and 1196 transitions. cyclomatic complexity: 211. Second operand has 17 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Result 1035 states and 1204 transitions. Complement of second has 34 states. [2022-11-18 20:04:07,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 19 states 16 stem states 1 non-accepting loop states 2 accepting loop states [2022-11-18 20:04:07,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 3.4) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:04:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 113 transitions. [2022-11-18 20:04:07,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 113 transitions. Stem has 78 letters. Loop has 2 letters. [2022-11-18 20:04:07,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:04:07,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 113 transitions. Stem has 80 letters. Loop has 2 letters. [2022-11-18 20:04:07,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:04:07,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 113 transitions. Stem has 78 letters. Loop has 4 letters. [2022-11-18 20:04:07,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:04:07,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1035 states and 1204 transitions. [2022-11-18 20:04:07,206 INFO L131 ngComponentsAnalysis]: Automaton has 34 accepting balls. 199 [2022-11-18 20:04:07,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1035 states to 962 states and 1119 transitions. [2022-11-18 20:04:07,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 891 [2022-11-18 20:04:07,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 902 [2022-11-18 20:04:07,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 962 states and 1119 transitions. [2022-11-18 20:04:07,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:04:07,214 INFO L218 hiAutomatonCegarLoop]: Abstraction has 962 states and 1119 transitions. [2022-11-18 20:04:07,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states and 1119 transitions. [2022-11-18 20:04:07,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 945. [2022-11-18 20:04:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 872 states have (on average 1.125) internal successors, (981), 870 states have internal predecessors, (981), 43 states have call successors, (45), 31 states have call predecessors, (45), 30 states have return successors, (75), 43 states have call predecessors, (75), 40 states have call successors, (75) [2022-11-18 20:04:07,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1101 transitions. [2022-11-18 20:04:07,231 INFO L240 hiAutomatonCegarLoop]: Abstraction has 945 states and 1101 transitions. [2022-11-18 20:04:07,231 INFO L428 stractBuchiCegarLoop]: Abstraction has 945 states and 1101 transitions. [2022-11-18 20:04:07,231 INFO L335 stractBuchiCegarLoop]: ======== Iteration 26 ============ [2022-11-18 20:04:07,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 945 states and 1101 transitions. [2022-11-18 20:04:07,235 INFO L131 ngComponentsAnalysis]: Automaton has 34 accepting balls. 199 [2022-11-18 20:04:07,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:04:07,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:04:07,236 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:07,237 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:04:07,237 INFO L748 eck$LassoCheckResult]: Stem: 57934#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 57903#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 57904#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 57909#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 57910#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 57982#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 57981#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 57980#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 57979#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 57978#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 57977#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 57976#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 57889#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 57973#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 57971#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 57967#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 57969#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 57972#L24 assume ~n#1 < 2; 57970#merge_sortFINAL assume true; 57966#merge_sortEXIT >#87#return; 57963#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 57964#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 58076#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 58072#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 58073#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 58077#L24 assume ~n#1 < 2; 58075#merge_sortFINAL assume true; 58071#merge_sortEXIT >#87#return; 58067#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 58068#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 58074#L24 assume ~n#1 < 2; 58070#merge_sortFINAL assume true; 58066#merge_sortEXIT >#89#return; 58065#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 58041#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 58042#L12 assume !(merge_~j~0#1 == merge_~n#1); 58035#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 58036#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 58026#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 58027#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 58018#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 58019#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 58010#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 58011#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 58005#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 58006#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 58001#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 58002#L11-4 merge_~i~0#1 := 0; 57997#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 57998#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 57994#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 57991#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 57989#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 57990#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 57983#L8 assume { :end_inline_merge } true; 57984#merge_sortFINAL assume true; 58064#merge_sortEXIT >#89#return; 57960#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 57959#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 57958#L12 assume !(merge_~j~0#1 == merge_~n#1); 57895#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 57896#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 57888#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 57892#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 57956#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 57950#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 57937#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 57916#L12 assume !(merge_~j~0#1 == merge_~n#1); 57917#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 58757#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 58756#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 58751#L13-2 [2022-11-18 20:04:07,237 INFO L750 eck$LassoCheckResult]: Loop: 58751#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 58755#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 58754#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 58753#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 58752#L12 assume !(merge_~j~0#1 == merge_~n#1); 58750#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 58751#L13-2 [2022-11-18 20:04:07,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:07,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1419181278, now seen corresponding path program 4 times [2022-11-18 20:04:07,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:07,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457736302] [2022-11-18 20:04:07,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:07,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:04:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:07,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:04:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 26 proven. 31 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-18 20:04:07,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:07,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457736302] [2022-11-18 20:04:07,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457736302] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:04:07,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923763127] [2022-11-18 20:04:07,570 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:04:07,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:04:07,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:07,571 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:04:07,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (211)] Waiting until timeout for monitored process [2022-11-18 20:04:07,882 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:04:07,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:04:07,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-18 20:04:07,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 31 proven. 23 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 20:04:08,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:04:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 31 proven. 26 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-18 20:04:08,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923763127] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:04:08,465 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:04:08,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 15] total 22 [2022-11-18 20:04:08,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195236879] [2022-11-18 20:04:08,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:04:08,466 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:04:08,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:08,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1895288687, now seen corresponding path program 3 times [2022-11-18 20:04:08,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:08,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139555601] [2022-11-18 20:04:08,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:08,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:08,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:08,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:08,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:08,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-18 20:04:08,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2022-11-18 20:04:08,611 INFO L87 Difference]: Start difference. First operand 945 states and 1101 transitions. cyclomatic complexity: 198 Second operand has 22 states, 17 states have (on average 4.529411764705882) internal successors, (77), 16 states have internal predecessors, (77), 11 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 7 states have call predecessors, (12), 10 states have call successors, (12) [2022-11-18 20:04:09,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:09,133 INFO L93 Difference]: Finished difference Result 843 states and 989 transitions. [2022-11-18 20:04:09,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 843 states and 989 transitions. [2022-11-18 20:04:09,140 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 193 [2022-11-18 20:04:09,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 843 states to 840 states and 985 transitions. [2022-11-18 20:04:09,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 804 [2022-11-18 20:04:09,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 804 [2022-11-18 20:04:09,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 840 states and 985 transitions. [2022-11-18 20:04:09,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:04:09,146 INFO L218 hiAutomatonCegarLoop]: Abstraction has 840 states and 985 transitions. [2022-11-18 20:04:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states and 985 transitions. [2022-11-18 20:04:09,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 840. [2022-11-18 20:04:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 778 states have (on average 1.1311053984575836) internal successors, (880), 776 states have internal predecessors, (880), 37 states have call successors, (39), 27 states have call predecessors, (39), 25 states have return successors, (66), 36 states have call predecessors, (66), 34 states have call successors, (66) [2022-11-18 20:04:09,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 985 transitions. [2022-11-18 20:04:09,161 INFO L240 hiAutomatonCegarLoop]: Abstraction has 840 states and 985 transitions. [2022-11-18 20:04:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:04:09,162 INFO L428 stractBuchiCegarLoop]: Abstraction has 840 states and 985 transitions. [2022-11-18 20:04:09,162 INFO L335 stractBuchiCegarLoop]: ======== Iteration 27 ============ [2022-11-18 20:04:09,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 840 states and 985 transitions. [2022-11-18 20:04:09,166 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 193 [2022-11-18 20:04:09,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:04:09,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:04:09,167 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:09,167 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:04:09,167 INFO L748 eck$LassoCheckResult]: Stem: 60225#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 60205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 60206#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 60208#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 60209#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 60210#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 60211#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 60258#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 60257#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 60256#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 60255#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 60253#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 60188#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 60246#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 60324#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 60301#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 60322#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 60318#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 60311#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 60314#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 60320#L24 assume ~n#1 < 2; 60316#merge_sortFINAL assume true; 60310#merge_sortEXIT >#87#return; 60300#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 60302#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 60307#L24 assume ~n#1 < 2; 60303#merge_sortFINAL assume true; 60304#merge_sortEXIT >#89#return; 60326#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 60399#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 60398#L12 assume !(merge_~j~0#1 == merge_~n#1); 60397#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 60394#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 60392#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 60390#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 60388#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 60386#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 60384#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 60382#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 60381#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 60380#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 60379#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 60378#L11-4 merge_~i~0#1 := 0; 60377#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 60376#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 60375#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 60374#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 60373#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 60372#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 60371#L8 assume { :end_inline_merge } true; 60370#merge_sortFINAL assume true; 60360#merge_sortEXIT >#87#return; 60235#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 60331#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 60332#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 60466#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 60356#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 60469#L24 assume ~n#1 < 2; 60467#merge_sortFINAL assume true; 60465#merge_sortEXIT >#87#return; 60234#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 60236#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 60238#L24 assume ~n#1 < 2; 60239#merge_sortFINAL assume true; 60585#merge_sortEXIT >#89#return; 60586#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 60580#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 60581#L12 assume !(merge_~j~0#1 == merge_~n#1); 60690#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 60687#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 60688#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 60691#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 60689#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 60686#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 60685#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 60508#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 60509#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 60671#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 60637#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 60635#L11-4 merge_~i~0#1 := 0; 60633#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 60631#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 60629#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 60626#L17-2 [2022-11-18 20:04:09,168 INFO L750 eck$LassoCheckResult]: Loop: 60626#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 60625#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 60626#L17-2 [2022-11-18 20:04:09,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:09,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1454807867, now seen corresponding path program 7 times [2022-11-18 20:04:09,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:09,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813826302] [2022-11-18 20:04:09,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:09,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:09,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:09,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:09,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:09,325 INFO L85 PathProgramCache]: Analyzing trace with hash 2623, now seen corresponding path program 6 times [2022-11-18 20:04:09,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:09,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313607551] [2022-11-18 20:04:09,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:09,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:09,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:09,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:09,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:09,333 INFO L85 PathProgramCache]: Analyzing trace with hash 2088979971, now seen corresponding path program 8 times [2022-11-18 20:04:09,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:09,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891627117] [2022-11-18 20:04:09,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:09,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:04:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:10,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:10,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:10,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 20:04:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 20:04:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 51 proven. 43 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-18 20:04:10,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:10,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891627117] [2022-11-18 20:04:10,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891627117] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:04:10,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667117663] [2022-11-18 20:04:10,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:04:10,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:04:10,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:10,183 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:04:10,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (212)] Waiting until timeout for monitored process [2022-11-18 20:04:10,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:04:10,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:04:10,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 20:04:10,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-18 20:04:10,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:04:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-18 20:04:11,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667117663] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:04:11,012 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:04:11,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 30 [2022-11-18 20:04:11,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839603344] [2022-11-18 20:04:11,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:04:11,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:11,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-18 20:04:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=826, Unknown=0, NotChecked=0, Total=930 [2022-11-18 20:04:11,089 INFO L87 Difference]: Start difference. First operand 840 states and 985 transitions. cyclomatic complexity: 183 Second operand has 31 states, 26 states have (on average 3.923076923076923) internal successors, (102), 26 states have internal predecessors, (102), 9 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) [2022-11-18 20:04:12,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:12,502 INFO L93 Difference]: Finished difference Result 1012 states and 1170 transitions. [2022-11-18 20:04:12,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1012 states and 1170 transitions. [2022-11-18 20:04:12,508 INFO L131 ngComponentsAnalysis]: Automaton has 39 accepting balls. 230 [2022-11-18 20:04:12,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1012 states to 1012 states and 1170 transitions. [2022-11-18 20:04:12,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 972 [2022-11-18 20:04:12,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 976 [2022-11-18 20:04:12,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1012 states and 1170 transitions. [2022-11-18 20:04:12,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:04:12,515 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1012 states and 1170 transitions. [2022-11-18 20:04:12,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states and 1170 transitions. [2022-11-18 20:04:12,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 917. [2022-11-18 20:04:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 849 states have (on average 1.1224970553592462) internal successors, (953), 849 states have internal predecessors, (953), 37 states have call successors, (39), 29 states have call predecessors, (39), 31 states have return successors, (66), 38 states have call predecessors, (66), 34 states have call successors, (66) [2022-11-18 20:04:12,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1058 transitions. [2022-11-18 20:04:12,532 INFO L240 hiAutomatonCegarLoop]: Abstraction has 917 states and 1058 transitions. [2022-11-18 20:04:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-18 20:04:12,533 INFO L428 stractBuchiCegarLoop]: Abstraction has 917 states and 1058 transitions. [2022-11-18 20:04:12,533 INFO L335 stractBuchiCegarLoop]: ======== Iteration 28 ============ [2022-11-18 20:04:12,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 917 states and 1058 transitions. [2022-11-18 20:04:12,538 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 193 [2022-11-18 20:04:12,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:04:12,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:04:12,539 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:12,539 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:04:12,539 INFO L748 eck$LassoCheckResult]: Stem: 62715#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 62696#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 62697#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 62699#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 62700#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 62701#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 62702#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 62748#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 62747#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 62746#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 62745#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 62743#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 62744#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 62909#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 62681#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 62742#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 62731#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 62692#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 62690#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 62693#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 62754#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 62806#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 62811#L24 assume ~n#1 < 2; 62808#merge_sortFINAL assume true; 62803#merge_sortEXIT >#87#return; 62721#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 62813#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 62810#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 62805#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 62807#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 62812#L24 assume ~n#1 < 2; 62809#merge_sortFINAL assume true; 62804#merge_sortEXIT >#87#return; 62796#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 62797#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 62802#L24 assume ~n#1 < 2; 62798#merge_sortFINAL assume true; 62799#merge_sortEXIT >#89#return; 62816#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 62963#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 62790#L12 assume !(merge_~j~0#1 == merge_~n#1); 62787#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 62782#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 62783#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 62949#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 62947#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 62770#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 62766#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 62767#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 62761#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 62762#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 62757#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 62758#L11-4 merge_~i~0#1 := 0; 62751#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 62752#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 62727#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 62720#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 62723#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 62826#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 63199#L8 assume { :end_inline_merge } true; 63195#merge_sortFINAL assume true; 63167#merge_sortEXIT >#89#return; 63168#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 63284#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 63283#L12 assume !(merge_~j~0#1 == merge_~n#1); 63282#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 63280#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 63278#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 63276#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 63274#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 63272#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 63270#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 63268#L12 [2022-11-18 20:04:12,539 INFO L750 eck$LassoCheckResult]: Loop: 63268#L12 assume !(merge_~j~0#1 == merge_~n#1); 63265#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 63256#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 63253#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 63254#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 63269#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 63268#L12 [2022-11-18 20:04:12,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:12,540 INFO L85 PathProgramCache]: Analyzing trace with hash 210857015, now seen corresponding path program 5 times [2022-11-18 20:04:12,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:12,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37245991] [2022-11-18 20:04:12,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:12,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:04:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:04:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:13,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-18 20:04:13,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:13,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37245991] [2022-11-18 20:04:13,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37245991] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:04:13,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367517103] [2022-11-18 20:04:13,141 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 20:04:13,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:04:13,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:13,147 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:04:13,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (213)] Waiting until timeout for monitored process [2022-11-18 20:04:13,527 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-18 20:04:13,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:04:13,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 20:04:13,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 52 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-18 20:04:13,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:04:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 32 proven. 47 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-18 20:04:14,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367517103] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:04:14,090 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:04:14,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 28 [2022-11-18 20:04:14,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575008198] [2022-11-18 20:04:14,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:04:14,091 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:04:14,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:14,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1482376367, now seen corresponding path program 4 times [2022-11-18 20:04:14,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:14,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342232483] [2022-11-18 20:04:14,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:14,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:14,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:14,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:14,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:14,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 20:04:14,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:04:14,206 INFO L87 Difference]: Start difference. First operand 917 states and 1058 transitions. cyclomatic complexity: 179 Second operand has 28 states, 23 states have (on average 3.4782608695652173) internal successors, (80), 25 states have internal predecessors, (80), 8 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 7 states have call predecessors, (12), 6 states have call successors, (12) [2022-11-18 20:04:15,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:15,088 INFO L93 Difference]: Finished difference Result 1129 states and 1302 transitions. [2022-11-18 20:04:15,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1129 states and 1302 transitions. [2022-11-18 20:04:15,096 INFO L131 ngComponentsAnalysis]: Automaton has 38 accepting balls. 228 [2022-11-18 20:04:15,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1129 states to 1054 states and 1218 transitions. [2022-11-18 20:04:15,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1008 [2022-11-18 20:04:15,103 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1014 [2022-11-18 20:04:15,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1054 states and 1218 transitions. [2022-11-18 20:04:15,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:04:15,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1054 states and 1218 transitions. [2022-11-18 20:04:15,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states and 1218 transitions. [2022-11-18 20:04:15,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 958. [2022-11-18 20:04:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 885 states have (on average 1.119774011299435) internal successors, (991), 885 states have internal predecessors, (991), 41 states have call successors, (43), 32 states have call predecessors, (43), 32 states have return successors, (69), 40 states have call predecessors, (69), 37 states have call successors, (69) [2022-11-18 20:04:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1103 transitions. [2022-11-18 20:04:15,149 INFO L240 hiAutomatonCegarLoop]: Abstraction has 958 states and 1103 transitions. [2022-11-18 20:04:15,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 20:04:15,150 INFO L428 stractBuchiCegarLoop]: Abstraction has 958 states and 1103 transitions. [2022-11-18 20:04:15,150 INFO L335 stractBuchiCegarLoop]: ======== Iteration 29 ============ [2022-11-18 20:04:15,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 958 states and 1103 transitions. [2022-11-18 20:04:15,155 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 193 [2022-11-18 20:04:15,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:04:15,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:04:15,156 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:15,156 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:04:15,156 INFO L748 eck$LassoCheckResult]: Stem: 65316#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 65294#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 65295#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 65298#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 65299#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 65300#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 65301#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 65302#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 65351#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 65349#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 65346#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 65347#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 65350#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 65342#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 65276#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 65424#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 65423#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 65355#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 65421#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 65417#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 65409#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 65413#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 65419#L24 assume ~n#1 < 2; 65415#merge_sortFINAL assume true; 65406#merge_sortEXIT >#87#return; 65399#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 65400#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 65405#L24 assume ~n#1 < 2; 65401#merge_sortFINAL assume true; 65402#merge_sortEXIT >#89#return; 65427#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 65393#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 65394#L12 assume !(merge_~j~0#1 == merge_~n#1); 65387#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 65388#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 65638#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 65375#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 65376#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 65369#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 65370#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 65363#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 65364#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 65359#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 65360#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 65354#L11-4 merge_~i~0#1 := 0; 65356#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 65619#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 65617#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 65614#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 65613#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 65611#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 65609#L8 assume { :end_inline_merge } true; 65606#merge_sortFINAL assume true; 65603#merge_sortEXIT >#87#return; 65283#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 65431#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 65430#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 65311#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 65312#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 65608#L24 assume ~n#1 < 2; 65604#merge_sortFINAL assume true; 65602#merge_sortEXIT >#87#return; 65596#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 65705#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 65595#L24 assume ~n#1 < 2; 65597#merge_sortFINAL assume true; 65789#merge_sortEXIT >#89#return; 65790#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 65890#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 65889#L12 assume !(merge_~j~0#1 == merge_~n#1); 65888#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 65887#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 65780#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 65779#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 65778#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 65777#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 65714#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 65712#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 65711#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 65710#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 65708#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 65335#L11-4 merge_~i~0#1 := 0; 65336#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 65706#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 65667#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 65665#L17-2 [2022-11-18 20:04:15,156 INFO L750 eck$LassoCheckResult]: Loop: 65665#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 65666#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 65665#L17-2 [2022-11-18 20:04:15,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:15,157 INFO L85 PathProgramCache]: Analyzing trace with hash -363822553, now seen corresponding path program 9 times [2022-11-18 20:04:15,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:15,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689375808] [2022-11-18 20:04:15,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:15,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:15,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:04:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:15,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:04:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:15,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:04:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:15,859 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 62 proven. 38 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-18 20:04:15,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:15,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689375808] [2022-11-18 20:04:15,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689375808] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:04:15,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739362637] [2022-11-18 20:04:15,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:04:15,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:04:15,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:15,867 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:04:15,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (214)] Waiting until timeout for monitored process [2022-11-18 20:04:16,277 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-18 20:04:16,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:04:16,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-18 20:04:16,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 64 proven. 30 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 20:04:16,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:04:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 38 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 20:04:16,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739362637] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:04:16,875 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:04:16,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 34 [2022-11-18 20:04:16,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235472618] [2022-11-18 20:04:16,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:04:16,875 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:04:16,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:16,876 INFO L85 PathProgramCache]: Analyzing trace with hash 2623, now seen corresponding path program 7 times [2022-11-18 20:04:16,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:16,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505971953] [2022-11-18 20:04:16,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:16,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:16,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:16,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:16,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:16,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-18 20:04:16,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=993, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 20:04:16,956 INFO L87 Difference]: Start difference. First operand 958 states and 1103 transitions. cyclomatic complexity: 184 Second operand has 34 states, 29 states have (on average 3.413793103448276) internal successors, (99), 30 states have internal predecessors, (99), 8 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (9), 7 states have call predecessors, (9), 6 states have call successors, (9) [2022-11-18 20:04:18,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:18,133 INFO L93 Difference]: Finished difference Result 1267 states and 1466 transitions. [2022-11-18 20:04:18,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1267 states and 1466 transitions. [2022-11-18 20:04:18,140 INFO L131 ngComponentsAnalysis]: Automaton has 44 accepting balls. 275 [2022-11-18 20:04:18,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1267 states to 1265 states and 1464 transitions. [2022-11-18 20:04:18,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1225 [2022-11-18 20:04:18,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1225 [2022-11-18 20:04:18,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1265 states and 1464 transitions. [2022-11-18 20:04:18,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:04:18,149 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1265 states and 1464 transitions. [2022-11-18 20:04:18,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states and 1464 transitions. [2022-11-18 20:04:18,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1054. [2022-11-18 20:04:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 982 states have (on average 1.1283095723014256) internal successors, (1108), 980 states have internal predecessors, (1108), 42 states have call successors, (44), 32 states have call predecessors, (44), 30 states have return successors, (65), 41 states have call predecessors, (65), 38 states have call successors, (65) [2022-11-18 20:04:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1217 transitions. [2022-11-18 20:04:18,168 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1054 states and 1217 transitions. [2022-11-18 20:04:18,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-18 20:04:18,169 INFO L428 stractBuchiCegarLoop]: Abstraction has 1054 states and 1217 transitions. [2022-11-18 20:04:18,169 INFO L335 stractBuchiCegarLoop]: ======== Iteration 30 ============ [2022-11-18 20:04:18,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1054 states and 1217 transitions. [2022-11-18 20:04:18,173 INFO L131 ngComponentsAnalysis]: Automaton has 38 accepting balls. 238 [2022-11-18 20:04:18,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:04:18,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:04:18,174 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:18,174 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:04:18,175 INFO L748 eck$LassoCheckResult]: Stem: 68184#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 68166#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 68167#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 68169#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 68170#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 68171#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 68172#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 68173#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 68217#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 68215#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 68212#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 68213#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 68216#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 68208#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 68151#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 68281#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 68280#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 68222#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 68278#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 68274#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 68266#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 68269#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 68276#L24 assume ~n#1 < 2; 68272#merge_sortFINAL assume true; 68265#merge_sortEXIT >#87#return; 68256#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 68257#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 68262#L24 assume ~n#1 < 2; 68258#merge_sortFINAL assume true; 68259#merge_sortEXIT >#89#return; 68283#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 68519#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 68518#L12 assume !(merge_~j~0#1 == merge_~n#1); 68517#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 68515#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 68516#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 68241#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 68242#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 68502#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 68231#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 68232#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 68226#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 68227#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 68221#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 68223#L11-4 merge_~i~0#1 := 0; 68478#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 68476#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 68474#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 68471#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 68470#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 68468#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 68465#L8 assume { :end_inline_merge } true; 68461#merge_sortFINAL assume true; 68457#merge_sortEXIT >#87#return; 68180#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 68463#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 68459#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 68179#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 68181#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 68466#L24 assume ~n#1 < 2; 68462#merge_sortFINAL assume true; 68458#merge_sortEXIT >#87#return; 68193#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 68574#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 68287#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 68288#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 68658#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 68527#L24 assume ~n#1 < 2; 68525#merge_sortFINAL assume true; 68526#merge_sortEXIT >#87#return; 68160#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 68159#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 68161#L24 assume ~n#1 < 2; 68197#merge_sortFINAL assume true; 68751#merge_sortEXIT >#89#return; 68752#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 68802#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 68801#L12 assume !(merge_~j~0#1 == merge_~n#1); 68800#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 68797#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 68795#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 68793#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 68791#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 68789#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 68787#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 68785#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 68784#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 68783#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 68782#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 68200#L11-4 merge_~i~0#1 := 0; 68201#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 68575#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 68576#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 68532#L17-2 [2022-11-18 20:04:18,175 INFO L750 eck$LassoCheckResult]: Loop: 68532#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 68533#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 68532#L17-2 [2022-11-18 20:04:18,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:18,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2139945010, now seen corresponding path program 10 times [2022-11-18 20:04:18,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:18,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435255851] [2022-11-18 20:04:18,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:18,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:18,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:18,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:18,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:18,313 INFO L85 PathProgramCache]: Analyzing trace with hash 2623, now seen corresponding path program 8 times [2022-11-18 20:04:18,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:18,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424292443] [2022-11-18 20:04:18,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:18,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:18,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:18,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:18,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:18,323 INFO L85 PathProgramCache]: Analyzing trace with hash 802181836, now seen corresponding path program 11 times [2022-11-18 20:04:18,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:18,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858945608] [2022-11-18 20:04:18,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:18,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:04:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:04:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 20:04:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:19,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 20:04:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 22 proven. 122 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 20:04:19,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:19,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858945608] [2022-11-18 20:04:19,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858945608] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:04:19,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152241734] [2022-11-18 20:04:19,610 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 20:04:19,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:04:19,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:19,614 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:04:19,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (215)] Waiting until timeout for monitored process [2022-11-18 20:04:20,289 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-11-18 20:04:20,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:04:20,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:04:20,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-11-18 20:04:20,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:04:20,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152241734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:20,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:04:20,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [28] total 34 [2022-11-18 20:04:20,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445966706] [2022-11-18 20:04:20,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:20,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:20,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:04:20,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1071, Unknown=0, NotChecked=0, Total=1190 [2022-11-18 20:04:20,547 INFO L87 Difference]: Start difference. First operand 1054 states and 1217 transitions. cyclomatic complexity: 207 Second operand has 10 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:04:20,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:20,760 INFO L93 Difference]: Finished difference Result 1064 states and 1222 transitions. [2022-11-18 20:04:20,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1222 transitions. [2022-11-18 20:04:20,766 INFO L131 ngComponentsAnalysis]: Automaton has 36 accepting balls. 234 [2022-11-18 20:04:20,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1222 transitions. [2022-11-18 20:04:20,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1024 [2022-11-18 20:04:20,774 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1040 [2022-11-18 20:04:20,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1222 transitions. [2022-11-18 20:04:20,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:04:20,774 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1064 states and 1222 transitions. [2022-11-18 20:04:20,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1222 transitions. [2022-11-18 20:04:20,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1054. [2022-11-18 20:04:20,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 982 states have (on average 1.1211812627291242) internal successors, (1101), 980 states have internal predecessors, (1101), 42 states have call successors, (44), 32 states have call predecessors, (44), 30 states have return successors, (65), 41 states have call predecessors, (65), 38 states have call successors, (65) [2022-11-18 20:04:20,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1210 transitions. [2022-11-18 20:04:20,792 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1054 states and 1210 transitions. [2022-11-18 20:04:20,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:04:20,793 INFO L428 stractBuchiCegarLoop]: Abstraction has 1054 states and 1210 transitions. [2022-11-18 20:04:20,793 INFO L335 stractBuchiCegarLoop]: ======== Iteration 31 ============ [2022-11-18 20:04:20,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1054 states and 1210 transitions. [2022-11-18 20:04:20,797 INFO L131 ngComponentsAnalysis]: Automaton has 35 accepting balls. 232 [2022-11-18 20:04:20,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:04:20,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:04:20,798 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:20,798 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:04:20,799 INFO L748 eck$LassoCheckResult]: Stem: 70696#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 70672#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 70673#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 70675#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 70676#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 70677#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 70678#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 70679#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 70730#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 70728#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 70725#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 70726#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 70700#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 70750#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 70751#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 70734#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 70735#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 70993#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 70989#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 70990#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 70994#L24 assume ~n#1 < 2; 70992#merge_sortFINAL assume true; 70988#merge_sortEXIT >#87#return; 70985#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 70986#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 70991#L24 assume ~n#1 < 2; 70987#merge_sortFINAL assume true; 70984#merge_sortEXIT >#89#return; 70983#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 70982#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 70980#L12 assume !(merge_~j~0#1 == merge_~n#1); 70978#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 70974#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 70969#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 70965#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 70961#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 70957#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 70953#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 70949#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 70946#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 70944#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 70942#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 70940#L11-4 merge_~i~0#1 := 0; 70938#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 70936#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 70934#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 70932#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 70930#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 70928#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 70924#L8 assume { :end_inline_merge } true; 70920#merge_sortFINAL assume true; 70914#merge_sortEXIT >#87#return; 70915#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 71088#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 71146#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 71142#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 71143#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 71147#L24 assume ~n#1 < 2; 71145#merge_sortFINAL assume true; 71141#merge_sortEXIT >#87#return; 71138#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 71139#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 71144#L24 assume ~n#1 < 2; 71140#merge_sortFINAL assume true; 71137#merge_sortEXIT >#89#return; 71136#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 71135#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 71134#L12 assume !(merge_~j~0#1 == merge_~n#1); 71133#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 71130#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 71128#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 71126#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 71124#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 71122#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 71120#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 71118#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 71117#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 71116#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 71115#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 71114#L11-4 merge_~i~0#1 := 0; 71112#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 71109#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 71106#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 71104#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 71103#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 71101#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 71100#L8 assume { :end_inline_merge } true; 71095#merge_sortFINAL assume true; 71086#merge_sortEXIT >#89#return; 71083#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 71082#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 71081#L12 assume !(merge_~j~0#1 == merge_~n#1); 71080#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 71078#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 71079#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 71294#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 71293#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 71292#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 71290#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 71288#L12 assume !(merge_~j~0#1 == merge_~n#1); 71285#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 71286#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 71296#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 71295#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 71257#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 71251#L12 assume !(merge_~j~0#1 == merge_~n#1); 71245#L13 [2022-11-18 20:04:20,799 INFO L750 eck$LassoCheckResult]: Loop: 71245#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 71241#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 71242#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 71236#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 71237#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 71250#L12 assume !(merge_~j~0#1 == merge_~n#1); 71245#L13 [2022-11-18 20:04:20,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:20,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1348273429, now seen corresponding path program 5 times [2022-11-18 20:04:20,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:20,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046917743] [2022-11-18 20:04:20,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:20,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:04:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:04:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:21,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 58 proven. 82 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-18 20:04:21,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:21,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046917743] [2022-11-18 20:04:21,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046917743] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:04:21,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303055549] [2022-11-18 20:04:21,279 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 20:04:21,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:04:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:21,283 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:04:21,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (216)] Waiting until timeout for monitored process [2022-11-18 20:04:22,209 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-11-18 20:04:22,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:04:22,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:04:22,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 54 proven. 85 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-18 20:04:22,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:04:22,618 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 59 proven. 80 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-18 20:04:22,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303055549] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:04:22,618 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:04:22,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 21 [2022-11-18 20:04:22,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946105641] [2022-11-18 20:04:22,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:04:22,619 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:04:22,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:22,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1578483347, now seen corresponding path program 5 times [2022-11-18 20:04:22,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:22,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531985866] [2022-11-18 20:04:22,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:22,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:22,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:22,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:22,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:22,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-18 20:04:22,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2022-11-18 20:04:22,743 INFO L87 Difference]: Start difference. First operand 1054 states and 1210 transitions. cyclomatic complexity: 193 Second operand has 21 states, 20 states have (on average 5.7) internal successors, (114), 18 states have internal predecessors, (114), 7 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 6 states have call predecessors, (12), 7 states have call successors, (12) [2022-11-18 20:04:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:23,556 INFO L93 Difference]: Finished difference Result 1240 states and 1429 transitions. [2022-11-18 20:04:23,556 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1240 states and 1429 transitions. [2022-11-18 20:04:23,563 INFO L131 ngComponentsAnalysis]: Automaton has 44 accepting balls. 298 [2022-11-18 20:04:23,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1240 states to 1208 states and 1396 transitions. [2022-11-18 20:04:23,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1184 [2022-11-18 20:04:23,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1184 [2022-11-18 20:04:23,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1208 states and 1396 transitions. [2022-11-18 20:04:23,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:04:23,584 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1208 states and 1396 transitions. [2022-11-18 20:04:23,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states and 1396 transitions. [2022-11-18 20:04:23,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1061. [2022-11-18 20:04:23,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 989 states have (on average 1.1263902932254803) internal successors, (1114), 987 states have internal predecessors, (1114), 42 states have call successors, (44), 32 states have call predecessors, (44), 30 states have return successors, (65), 41 states have call predecessors, (65), 38 states have call successors, (65) [2022-11-18 20:04:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1223 transitions. [2022-11-18 20:04:23,603 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1061 states and 1223 transitions. [2022-11-18 20:04:23,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 20:04:23,604 INFO L428 stractBuchiCegarLoop]: Abstraction has 1061 states and 1223 transitions. [2022-11-18 20:04:23,604 INFO L335 stractBuchiCegarLoop]: ======== Iteration 32 ============ [2022-11-18 20:04:23,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1061 states and 1223 transitions. [2022-11-18 20:04:23,608 INFO L131 ngComponentsAnalysis]: Automaton has 39 accepting balls. 264 [2022-11-18 20:04:23,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:04:23,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:04:23,611 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-18 20:04:23,611 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:23,611 INFO L748 eck$LassoCheckResult]: Stem: 73782#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 73748#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 73749#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 73753#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 73754#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 73755#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 73756#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 73757#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 73808#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 73807#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 73803#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 73804#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 73770#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 73942#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 73941#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 73769#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 73771#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 74060#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 74056#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 74057#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 74061#L24 assume ~n#1 < 2; 74059#merge_sortFINAL assume true; 74055#merge_sortEXIT >#87#return; 74052#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 74053#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 74058#L24 assume ~n#1 < 2; 74054#merge_sortFINAL assume true; 74051#merge_sortEXIT >#89#return; 74050#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 74049#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 74047#L12 assume !(merge_~j~0#1 == merge_~n#1); 74045#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 74041#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 74036#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 74032#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 74028#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 74024#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 74020#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 74016#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 74013#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 74011#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 74009#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 74007#L11-4 merge_~i~0#1 := 0; 74005#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 74003#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 74001#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 73999#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 73997#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 73995#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 73992#L8 assume { :end_inline_merge } true; 73988#merge_sortFINAL assume true; 73984#merge_sortEXIT >#87#return; 73751#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 73789#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 73809#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 73810#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 74076#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 74075#L24 assume ~n#1 < 2; 74073#merge_sortFINAL assume true; 74074#merge_sortEXIT >#87#return; 73739#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 73738#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 73740#L24 assume ~n#1 < 2; 73790#merge_sortFINAL assume true; 74128#merge_sortEXIT >#89#return; 74127#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 74126#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 74125#L12 assume !(merge_~j~0#1 == merge_~n#1); 74124#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 74120#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 74121#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 74317#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 74113#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 74111#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 74107#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 74108#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 74102#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 74103#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 74098#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 74099#L11-4 merge_~i~0#1 := 0; 74093#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 74094#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 74087#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 74088#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 73813#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 73814#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 73750#L8 assume { :end_inline_merge } true; 73752#merge_sortFINAL assume true; 74134#merge_sortEXIT >#89#return; 74131#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 74421#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 74420#L12 assume !(merge_~j~0#1 == merge_~n#1); 74419#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 74417#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 74416#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 74415#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 74414#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 74413#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 74412#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 74411#L12 assume !(merge_~j~0#1 == merge_~n#1); 74410#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 74408#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 74407#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 74406#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 74405#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 74404#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 74402#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 74403#L12 [2022-11-18 20:04:23,612 INFO L750 eck$LassoCheckResult]: Loop: 74403#L12 assume !(merge_~j~0#1 == merge_~n#1); 74474#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 74448#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 74449#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 74478#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 74477#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 74476#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 74475#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 74403#L12 [2022-11-18 20:04:23,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:23,612 INFO L85 PathProgramCache]: Analyzing trace with hash -531213423, now seen corresponding path program 12 times [2022-11-18 20:04:23,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:23,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999177493] [2022-11-18 20:04:23,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:23,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:23,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:23,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:23,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:23,881 INFO L85 PathProgramCache]: Analyzing trace with hash 233986997, now seen corresponding path program 4 times [2022-11-18 20:04:23,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:23,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074808136] [2022-11-18 20:04:23,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:23,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:23,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:23,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:23,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:23,893 INFO L85 PathProgramCache]: Analyzing trace with hash -826007739, now seen corresponding path program 13 times [2022-11-18 20:04:23,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:23,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703207106] [2022-11-18 20:04:23,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:23,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:24,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:04:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:24,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:04:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:24,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:24,666 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 102 proven. 43 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-18 20:04:24,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:24,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703207106] [2022-11-18 20:04:24,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703207106] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:04:24,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679652944] [2022-11-18 20:04:24,667 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 20:04:24,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:04:24,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:24,675 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:04:24,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (217)] Waiting until timeout for monitored process [2022-11-18 20:04:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:25,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-18 20:04:25,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:04:25,363 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 102 proven. 43 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-18 20:04:25,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:04:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 102 proven. 43 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-18 20:04:25,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679652944] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:04:25,973 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:04:25,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 31 [2022-11-18 20:04:25,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318165816] [2022-11-18 20:04:25,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:04:26,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:26,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-18 20:04:26,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2022-11-18 20:04:26,182 INFO L87 Difference]: Start difference. First operand 1061 states and 1223 transitions. cyclomatic complexity: 203 Second operand has 31 states, 29 states have (on average 3.3448275862068964) internal successors, (97), 28 states have internal predecessors, (97), 6 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-18 20:04:26,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:26,945 INFO L93 Difference]: Finished difference Result 1334 states and 1544 transitions. [2022-11-18 20:04:26,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1334 states and 1544 transitions. [2022-11-18 20:04:26,950 INFO L131 ngComponentsAnalysis]: Automaton has 52 accepting balls. 304 [2022-11-18 20:04:26,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1334 states to 1334 states and 1544 transitions. [2022-11-18 20:04:26,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1310 [2022-11-18 20:04:26,967 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1310 [2022-11-18 20:04:26,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1334 states and 1544 transitions. [2022-11-18 20:04:26,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:04:26,968 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1334 states and 1544 transitions. [2022-11-18 20:04:26,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states and 1544 transitions. [2022-11-18 20:04:26,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1128. [2022-11-18 20:04:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1056 states have (on average 1.128787878787879) internal successors, (1192), 1053 states have internal predecessors, (1192), 42 states have call successors, (44), 32 states have call predecessors, (44), 30 states have return successors, (65), 42 states have call predecessors, (65), 38 states have call successors, (65) [2022-11-18 20:04:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1301 transitions. [2022-11-18 20:04:26,988 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1128 states and 1301 transitions. [2022-11-18 20:04:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 20:04:26,988 INFO L428 stractBuchiCegarLoop]: Abstraction has 1128 states and 1301 transitions. [2022-11-18 20:04:26,988 INFO L335 stractBuchiCegarLoop]: ======== Iteration 33 ============ [2022-11-18 20:04:26,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1128 states and 1301 transitions. [2022-11-18 20:04:26,993 INFO L131 ngComponentsAnalysis]: Automaton has 41 accepting balls. 280 [2022-11-18 20:04:26,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:04:26,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:04:26,996 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-18 20:04:26,996 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:04:26,997 INFO L748 eck$LassoCheckResult]: Stem: 76997#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 76974#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 76975#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 76979#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 76980#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 76981#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 76982#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 76983#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 77028#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 77026#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 77023#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 77024#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 76960#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 77046#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 77047#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 77032#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 77033#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 77289#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 77285#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 77286#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 77290#L24 assume ~n#1 < 2; 77288#merge_sortFINAL assume true; 77284#merge_sortEXIT >#87#return; 77281#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 77282#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 77287#L24 assume ~n#1 < 2; 77283#merge_sortFINAL assume true; 77280#merge_sortEXIT >#89#return; 77279#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 77278#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 77277#L12 assume !(merge_~j~0#1 == merge_~n#1); 77276#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 77274#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 77272#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 77270#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 77268#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 77266#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 77264#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 77262#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 77242#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 77240#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 77238#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 77236#L11-4 merge_~i~0#1 := 0; 77234#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 77232#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 77230#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 77228#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 77226#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 77224#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 77222#L8 assume { :end_inline_merge } true; 77220#merge_sortFINAL assume true; 77211#merge_sortEXIT >#87#return; 76977#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 77034#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 77660#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 76966#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 76965#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 76967#L24 assume ~n#1 < 2; 77296#merge_sortFINAL assume true; 77293#merge_sortEXIT >#87#return; 77294#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 77657#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 77661#L24 assume ~n#1 < 2; 77573#merge_sortFINAL assume true; 77574#merge_sortEXIT >#89#return; 77656#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 77655#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 77654#L12 assume !(merge_~j~0#1 == merge_~n#1); 77653#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 77652#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 77651#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 77650#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 77649#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 77648#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 77547#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 77548#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 77540#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 77541#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 77536#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 77537#L11-4 merge_~i~0#1 := 0; 77532#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 77533#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 77528#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 77529#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 77518#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 77519#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 76976#L8 assume { :end_inline_merge } true; 76978#merge_sortFINAL assume true; 76991#merge_sortEXIT >#89#return; 76992#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 77992#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 77991#L12 assume !(merge_~j~0#1 == merge_~n#1); 77990#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 77988#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 77989#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 78055#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 78051#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 78052#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 78062#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 78061#L12 assume !(merge_~j~0#1 == merge_~n#1); 77945#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 77946#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 78060#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 78059#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 78058#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 78057#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 76998#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 76984#L12 [2022-11-18 20:04:26,997 INFO L750 eck$LassoCheckResult]: Loop: 76984#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 76988#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 77011#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 77012#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 76984#L12 [2022-11-18 20:04:26,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:26,998 INFO L85 PathProgramCache]: Analyzing trace with hash -531213423, now seen corresponding path program 14 times [2022-11-18 20:04:26,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:26,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104001679] [2022-11-18 20:04:26,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:26,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:27,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:27,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:27,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:27,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1495548, now seen corresponding path program 6 times [2022-11-18 20:04:27,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:27,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195960645] [2022-11-18 20:04:27,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:27,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:27,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:27,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:04:27,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:27,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1593367948, now seen corresponding path program 15 times [2022-11-18 20:04:27,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:27,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701301798] [2022-11-18 20:04:27,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:27,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:27,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:04:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:04:27,387 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:06:09,510 WARN L233 SmtUtils]: Spent 1.44m on a formula simplification. DAG size of input: 397 DAG size of output: 342 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:06:31,632 WARN L233 SmtUtils]: Spent 15.97s on a formula simplification that was a NOOP. DAG size: 201 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:06:45,928 WARN L233 SmtUtils]: Spent 13.66s on a formula simplification that was a NOOP. DAG size: 207 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:07:11,060 WARN L233 SmtUtils]: Spent 20.31s on a formula simplification that was a NOOP. DAG size: 202 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:07:39,459 WARN L233 SmtUtils]: Spent 28.39s on a formula simplification. DAG size of input: 253 DAG size of output: 239 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:08:00,704 WARN L233 SmtUtils]: Spent 16.52s on a formula simplification that was a NOOP. DAG size: 232 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:08:00,710 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:08:00,710 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:08:00,710 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:08:00,710 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:08:00,710 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:08:00,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:00,711 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:08:00,711 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:08:00,711 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration33_Lasso [2022-11-18 20:08:00,711 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:08:00,711 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:08:00,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,718 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,721 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,727 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,729 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,736 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,739 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,741 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,753 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,755 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:00,757 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:14,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:14,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:14,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:14,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:14,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:14,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:14,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:14,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:14,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:08:16,451 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:08:16,451 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:08:16,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,463 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2022-11-18 20:08:16,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Ended with exit code 0 [2022-11-18 20:08:16,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,483 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2022-11-18 20:08:16,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2022-11-18 20:08:16,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,501 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2022-11-18 20:08:16,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Ended with exit code 0 [2022-11-18 20:08:16,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,519 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2022-11-18 20:08:16,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Ended with exit code 0 [2022-11-18 20:08:16,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,536 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2022-11-18 20:08:16,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Forceful destruction successful, exit code 0 [2022-11-18 20:08:16,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,554 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2022-11-18 20:08:16,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2022-11-18 20:08:16,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,571 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2022-11-18 20:08:16,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Ended with exit code 0 [2022-11-18 20:08:16,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,588 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2022-11-18 20:08:16,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2022-11-18 20:08:16,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,605 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2022-11-18 20:08:16,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:08:16,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:08:16,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Ended with exit code 0 [2022-11-18 20:08:16,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,626 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2022-11-18 20:08:16,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Ended with exit code 0 [2022-11-18 20:08:16,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,650 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2022-11-18 20:08:16,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Ended with exit code 0 [2022-11-18 20:08:16,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,667 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2022-11-18 20:08:16,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Ended with exit code 0 [2022-11-18 20:08:16,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,684 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2022-11-18 20:08:16,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Ended with exit code 0 [2022-11-18 20:08:16,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,702 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2022-11-18 20:08:16,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:08:16,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:08:16,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Ended with exit code 0 [2022-11-18 20:08:16,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,722 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2022-11-18 20:08:16,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Forceful destruction successful, exit code 0 [2022-11-18 20:08:16,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,740 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2022-11-18 20:08:16,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2022-11-18 20:08:16,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,757 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2022-11-18 20:08:16,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Ended with exit code 0 [2022-11-18 20:08:16,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,774 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2022-11-18 20:08:16,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Ended with exit code 0 [2022-11-18 20:08:16,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,791 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2022-11-18 20:08:16,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Ended with exit code 0 [2022-11-18 20:08:16,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,809 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2022-11-18 20:08:16,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Ended with exit code 0 [2022-11-18 20:08:16,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,827 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2022-11-18 20:08:16,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:16,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:16,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:16,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2022-11-18 20:08:16,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,845 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2022-11-18 20:08:16,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:08:16,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:08:16,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Ended with exit code 0 [2022-11-18 20:08:16,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,874 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2022-11-18 20:08:16,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:08:16,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:08:16,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:16,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2022-11-18 20:08:16,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:16,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:16,902 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:16,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2022-11-18 20:08:16,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:08:16,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:16,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:16,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:16,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:16,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:08:16,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:08:16,969 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:08:17,069 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2022-11-18 20:08:17,069 INFO L444 ModelExtractionUtils]: 19 out of 64 variables were initially zero. Simplification set additionally 42 variables to zero. [2022-11-18 20:08:17,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:17,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:17,071 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:17,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2022-11-18 20:08:17,073 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:08:17,084 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:08:17,084 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:08:17,084 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~j~0#1, merge_sort_merge_~k~0#1) = 1*merge_sort_merge_~j~0#1 - 1*merge_sort_merge_~k~0#1 Supporting invariants [] [2022-11-18 20:08:17,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2022-11-18 20:08:17,350 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2022-11-18 20:08:17,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:17,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:08:17,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:17,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Forceful destruction successful, exit code 0 [2022-11-18 20:08:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:18,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:08:18,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:08:18,216 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-18 20:08:18,216 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1128 states and 1301 transitions. cyclomatic complexity: 216 Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:08:18,274 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1128 states and 1301 transitions. cyclomatic complexity: 216. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Result 1173 states and 1346 transitions. Complement of second has 7 states. [2022-11-18 20:08:18,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:08:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:08:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2022-11-18 20:08:18,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 107 letters. Loop has 4 letters. [2022-11-18 20:08:18,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:08:18,277 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:08:18,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:18,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:08:18,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:08:19,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:08:19,089 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-18 20:08:19,089 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1128 states and 1301 transitions. cyclomatic complexity: 216 Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:08:19,140 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1128 states and 1301 transitions. cyclomatic complexity: 216. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Result 1173 states and 1346 transitions. Complement of second has 7 states. [2022-11-18 20:08:19,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:08:19,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:08:19,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2022-11-18 20:08:19,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 107 letters. Loop has 4 letters. [2022-11-18 20:08:19,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:08:19,141 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:08:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:08:19,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:08:19,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:19,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:08:19,953 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-18 20:08:19,954 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1128 states and 1301 transitions. cyclomatic complexity: 216 Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:08:20,070 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1128 states and 1301 transitions. cyclomatic complexity: 216. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Result 2112 states and 2435 transitions. Complement of second has 21 states. [2022-11-18 20:08:20,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 20:08:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:08:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 64 transitions. [2022-11-18 20:08:20,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 64 transitions. Stem has 107 letters. Loop has 4 letters. [2022-11-18 20:08:20,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:08:20,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 64 transitions. Stem has 111 letters. Loop has 4 letters. [2022-11-18 20:08:20,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:08:20,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 64 transitions. Stem has 107 letters. Loop has 8 letters. [2022-11-18 20:08:20,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:08:20,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2112 states and 2435 transitions. [2022-11-18 20:08:20,086 INFO L131 ngComponentsAnalysis]: Automaton has 51 accepting balls. 292 [2022-11-18 20:08:20,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2112 states to 1458 states and 1713 transitions. [2022-11-18 20:08:20,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1323 [2022-11-18 20:08:20,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1418 [2022-11-18 20:08:20,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1458 states and 1713 transitions. [2022-11-18 20:08:20,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:08:20,096 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1458 states and 1713 transitions. [2022-11-18 20:08:20,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states and 1713 transitions. [2022-11-18 20:08:20,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1135. [2022-11-18 20:08:20,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1063 states have (on average 1.1439322671683914) internal successors, (1216), 1060 states have internal predecessors, (1216), 42 states have call successors, (44), 32 states have call predecessors, (44), 30 states have return successors, (65), 42 states have call predecessors, (65), 38 states have call successors, (65) [2022-11-18 20:08:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1325 transitions. [2022-11-18 20:08:20,116 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1135 states and 1325 transitions. [2022-11-18 20:08:20,116 INFO L428 stractBuchiCegarLoop]: Abstraction has 1135 states and 1325 transitions. [2022-11-18 20:08:20,116 INFO L335 stractBuchiCegarLoop]: ======== Iteration 34 ============ [2022-11-18 20:08:20,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1135 states and 1325 transitions. [2022-11-18 20:08:20,122 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 264 [2022-11-18 20:08:20,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:08:20,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:08:20,123 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-18 20:08:20,123 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:20,123 INFO L748 eck$LassoCheckResult]: Stem: 83804#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 83777#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 83778#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 83782#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 83783#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 83784#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 83785#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 83786#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 83839#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 83838#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 83835#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 83836#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 83789#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 83857#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 83858#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 83844#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 83845#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 84084#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 84080#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 84081#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 84086#L24 assume ~n#1 < 2; 84083#merge_sortFINAL assume true; 84079#merge_sortEXIT >#87#return; 84076#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 84077#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 84088#L24 assume ~n#1 < 2; 84087#merge_sortFINAL assume true; 84075#merge_sortEXIT >#89#return; 84073#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 84071#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 84069#L12 assume !(merge_~j~0#1 == merge_~n#1); 84068#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 84066#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 84064#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 84062#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 84060#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 84058#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 84056#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 84053#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 84052#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 84050#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 84048#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 84046#L11-4 merge_~i~0#1 := 0; 84043#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 84041#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 84039#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 84037#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 84035#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 84033#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 84030#L8 assume { :end_inline_merge } true; 84028#merge_sortFINAL assume true; 83985#merge_sortEXIT >#87#return; 83780#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 84089#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 83840#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 83841#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 84102#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 84101#L24 assume ~n#1 < 2; 84099#merge_sortFINAL assume true; 84100#merge_sortEXIT >#87#return; 83795#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 83812#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 83813#L24 assume ~n#1 < 2; 83814#merge_sortFINAL assume true; 83794#merge_sortEXIT >#89#return; 83796#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 84554#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 84553#L12 assume !(merge_~j~0#1 == merge_~n#1); 84552#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 84550#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 84548#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 84546#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 84544#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 84542#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 84540#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 84538#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 84514#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 84512#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 84510#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 84508#L11-4 merge_~i~0#1 := 0; 84506#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 84504#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 84502#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 84494#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 84449#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 84450#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 83779#L8 assume { :end_inline_merge } true; 83781#merge_sortFINAL assume true; 84366#merge_sortEXIT >#89#return; 84367#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 84851#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 84779#L12 assume !(merge_~j~0#1 == merge_~n#1); 84780#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 84845#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 84843#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 84841#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 84839#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 84837#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 84835#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 84834#L12 assume !(merge_~j~0#1 == merge_~n#1); 84832#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 84830#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 84829#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 84828#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 84825#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 84823#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 84821#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 84817#L12 [2022-11-18 20:08:20,124 INFO L750 eck$LassoCheckResult]: Loop: 84817#L12 assume !(merge_~j~0#1 == merge_~n#1); 84814#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 84815#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 84844#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 84842#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 84840#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 84838#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 84820#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 84817#L12 [2022-11-18 20:08:20,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:20,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1485072371, now seen corresponding path program 6 times [2022-11-18 20:08:20,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:20,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830482081] [2022-11-18 20:08:20,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:20,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:20,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:20,264 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:08:20,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:20,265 INFO L85 PathProgramCache]: Analyzing trace with hash 291245299, now seen corresponding path program 3 times [2022-11-18 20:08:20,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:20,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257386386] [2022-11-18 20:08:20,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:20,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:20,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:20,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:08:20,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:20,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1561011969, now seen corresponding path program 7 times [2022-11-18 20:08:20,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:20,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029502570] [2022-11-18 20:08:20,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:20,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:21,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:08:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:21,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:21,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:08:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:21,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:08:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:21,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:21,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:08:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 70 proven. 134 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-18 20:08:21,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:21,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029502570] [2022-11-18 20:08:21,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029502570] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:08:21,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863843845] [2022-11-18 20:08:21,436 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 20:08:21,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:08:21,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:21,437 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:08:21,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (243)] Waiting until timeout for monitored process [2022-11-18 20:08:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:21,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:08:21,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 70 proven. 134 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-18 20:08:22,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:08:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 70 proven. 134 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-18 20:08:23,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863843845] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:08:23,414 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:08:23,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 46 [2022-11-18 20:08:23,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529247112] [2022-11-18 20:08:23,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:08:23,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:23,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-11-18 20:08:23,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1906, Unknown=0, NotChecked=0, Total=2070 [2022-11-18 20:08:23,660 INFO L87 Difference]: Start difference. First operand 1135 states and 1325 transitions. cyclomatic complexity: 233 Second operand has 46 states, 40 states have (on average 3.4) internal successors, (136), 39 states have internal predecessors, (136), 12 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (12), 6 states have call predecessors, (12), 9 states have call successors, (12) [2022-11-18 20:08:26,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:26,562 INFO L93 Difference]: Finished difference Result 1344 states and 1560 transitions. [2022-11-18 20:08:26,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1344 states and 1560 transitions. [2022-11-18 20:08:26,569 INFO L131 ngComponentsAnalysis]: Automaton has 40 accepting balls. 274 [2022-11-18 20:08:26,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1344 states to 1344 states and 1560 transitions. [2022-11-18 20:08:26,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1280 [2022-11-18 20:08:26,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1280 [2022-11-18 20:08:26,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1344 states and 1560 transitions. [2022-11-18 20:08:26,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:08:26,577 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1344 states and 1560 transitions. [2022-11-18 20:08:26,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states and 1560 transitions. [2022-11-18 20:08:26,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1180. [2022-11-18 20:08:26,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 1107 states have (on average 1.1436314363143631) internal successors, (1266), 1103 states have internal predecessors, (1266), 43 states have call successors, (45), 32 states have call predecessors, (45), 30 states have return successors, (66), 44 states have call predecessors, (66), 39 states have call successors, (66) [2022-11-18 20:08:26,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1377 transitions. [2022-11-18 20:08:26,599 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1180 states and 1377 transitions. [2022-11-18 20:08:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-18 20:08:26,599 INFO L428 stractBuchiCegarLoop]: Abstraction has 1180 states and 1377 transitions. [2022-11-18 20:08:26,600 INFO L335 stractBuchiCegarLoop]: ======== Iteration 35 ============ [2022-11-18 20:08:26,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1180 states and 1377 transitions. [2022-11-18 20:08:26,604 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 264 [2022-11-18 20:08:26,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:08:26,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:08:26,605 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-18 20:08:26,606 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:08:26,606 INFO L748 eck$LassoCheckResult]: Stem: 87193#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 87160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 87161#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 87165#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 87166#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 87167#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 87168#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 87169#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 87222#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 87220#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 87217#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 87218#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 87175#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 87248#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 87249#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 87235#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 87236#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 87475#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 87471#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 87472#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 87476#L24 assume ~n#1 < 2; 87474#merge_sortFINAL assume true; 87470#merge_sortEXIT >#87#return; 87467#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 87468#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 87473#L24 assume ~n#1 < 2; 87469#merge_sortFINAL assume true; 87466#merge_sortEXIT >#89#return; 87465#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 87464#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 87463#L12 assume !(merge_~j~0#1 == merge_~n#1); 87462#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 87460#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 87458#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 87456#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 87454#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 87452#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 87450#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 87448#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 87445#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 87443#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 87441#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 87435#L11-4 merge_~i~0#1 := 0; 87433#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 87431#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 87429#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 87427#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 87426#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 87425#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 87422#L8 assume { :end_inline_merge } true; 87419#merge_sortFINAL assume true; 87416#merge_sortEXIT >#87#return; 87163#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 87226#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 87227#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 87414#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 87415#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 87497#L24 assume ~n#1 < 2; 87498#merge_sortFINAL assume true; 87413#merge_sortEXIT >#87#return; 87198#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 87199#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 87885#L24 assume ~n#1 < 2; 87884#merge_sortFINAL assume true; 87569#merge_sortEXIT >#89#return; 87570#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 87565#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 87566#L12 assume !(merge_~j~0#1 == merge_~n#1); 87561#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 87562#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 87552#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 87553#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 87544#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 87545#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 87536#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 87537#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 87527#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 87528#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 87523#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 87524#L11-4 merge_~i~0#1 := 0; 87517#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 87518#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 87501#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 87502#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 87228#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 87229#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 87162#L8 assume { :end_inline_merge } true; 87164#merge_sortFINAL assume true; 87822#merge_sortEXIT >#89#return; 87823#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 88222#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 88221#L12 assume !(merge_~j~0#1 == merge_~n#1); 88220#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 88218#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 88219#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 88217#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 88215#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 88213#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 88211#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 88209#L12 assume !(merge_~j~0#1 == merge_~n#1); 88207#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 88205#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 88148#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 88149#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 88319#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 88144#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 88143#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 87223#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 87174#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 87204#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 87205#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 87207#L11-4 merge_~i~0#1 := 0; 87197#L17-3 [2022-11-18 20:08:26,606 INFO L750 eck$LassoCheckResult]: Loop: 87197#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 87196#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 87197#L17-3 [2022-11-18 20:08:26,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:26,607 INFO L85 PathProgramCache]: Analyzing trace with hash -2145201184, now seen corresponding path program 16 times [2022-11-18 20:08:26,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:26,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548513103] [2022-11-18 20:08:26,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:26,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:08:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:27,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:08:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:08:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:27,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:08:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 85 proven. 46 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-18 20:08:27,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:27,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548513103] [2022-11-18 20:08:27,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548513103] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:08:27,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518467141] [2022-11-18 20:08:27,032 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:08:27,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:08:27,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:27,036 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:08:27,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (244)] Waiting until timeout for monitored process [2022-11-18 20:08:27,833 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:08:27,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:08:27,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:08:27,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:28,007 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 90 proven. 41 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-18 20:08:28,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:08:28,208 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 90 proven. 41 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-18 20:08:28,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518467141] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:08:28,208 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:08:28,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 20 [2022-11-18 20:08:28,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8307655] [2022-11-18 20:08:28,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:08:28,209 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:08:28,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:28,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 9 times [2022-11-18 20:08:28,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:28,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117678005] [2022-11-18 20:08:28,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:28,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:28,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:28,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:08:28,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:28,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-18 20:08:28,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:08:28,291 INFO L87 Difference]: Start difference. First operand 1180 states and 1377 transitions. cyclomatic complexity: 240 Second operand has 20 states, 20 states have (on average 4.65) internal successors, (93), 18 states have internal predecessors, (93), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:08:28,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:28,624 INFO L93 Difference]: Finished difference Result 1317 states and 1540 transitions. [2022-11-18 20:08:28,624 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1317 states and 1540 transitions. [2022-11-18 20:08:28,628 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 264 [2022-11-18 20:08:28,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1317 states to 1314 states and 1535 transitions. [2022-11-18 20:08:28,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1268 [2022-11-18 20:08:28,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1268 [2022-11-18 20:08:28,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1314 states and 1535 transitions. [2022-11-18 20:08:28,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:08:28,635 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1314 states and 1535 transitions. [2022-11-18 20:08:28,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states and 1535 transitions. [2022-11-18 20:08:28,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1245. [2022-11-18 20:08:28,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1172 states have (on average 1.1416382252559727) internal successors, (1338), 1168 states have internal predecessors, (1338), 43 states have call successors, (45), 32 states have call predecessors, (45), 30 states have return successors, (66), 44 states have call predecessors, (66), 39 states have call successors, (66) [2022-11-18 20:08:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1449 transitions. [2022-11-18 20:08:28,656 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1245 states and 1449 transitions. [2022-11-18 20:08:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 20:08:28,657 INFO L428 stractBuchiCegarLoop]: Abstraction has 1245 states and 1449 transitions. [2022-11-18 20:08:28,657 INFO L335 stractBuchiCegarLoop]: ======== Iteration 36 ============ [2022-11-18 20:08:28,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1245 states and 1449 transitions. [2022-11-18 20:08:28,662 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 264 [2022-11-18 20:08:28,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:08:28,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:08:28,663 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 7, 7, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:28,663 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-18 20:08:28,663 INFO L748 eck$LassoCheckResult]: Stem: 90486#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 90460#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 90461#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 90463#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 90464#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 90465#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 90466#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 90514#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 90513#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 90511#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 90508#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 90509#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 90512#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 90504#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 90470#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 90498#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 90536#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 90537#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 90681#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 90679#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 90675#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 90678#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 90522#L24 assume ~n#1 < 2; 90677#merge_sortFINAL assume true; 90674#merge_sortEXIT >#87#return; 90647#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 90652#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 90663#L24 assume ~n#1 < 2; 90658#merge_sortFINAL assume true; 90646#merge_sortEXIT >#89#return; 90651#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 90774#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 90770#L12 assume !(merge_~j~0#1 == merge_~n#1); 90768#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 90765#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 90766#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 90790#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 90788#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 90786#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 90784#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 90747#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 90744#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 90742#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 90740#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 90738#L11-4 merge_~i~0#1 := 0; 90736#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 90734#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 90732#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 90730#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 90728#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 90726#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 90722#L8 assume { :end_inline_merge } true; 90718#merge_sortFINAL assume true; 90712#merge_sortEXIT >#87#return; 90713#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 90724#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 90720#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 90715#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 90716#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 90723#L24 assume ~n#1 < 2; 90719#merge_sortFINAL assume true; 90714#merge_sortEXIT >#87#return; 90448#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 90518#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 90516#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 90517#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 90797#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 90796#L24 assume ~n#1 < 2; 90794#merge_sortFINAL assume true; 90795#merge_sortEXIT >#87#return; 90525#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 90526#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 91184#L24 assume ~n#1 < 2; 90842#merge_sortFINAL assume true; 90841#merge_sortEXIT >#89#return; 90840#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 90839#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 90838#L12 assume !(merge_~j~0#1 == merge_~n#1); 90837#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 90834#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 90832#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 90829#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 90830#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 91185#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 91183#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 90820#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 90819#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 90818#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 90817#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 90815#L11-4 merge_~i~0#1 := 0; 90814#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 90813#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 90799#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 90798#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 90519#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 90447#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 90449#L8 assume { :end_inline_merge } true; 90462#merge_sortFINAL assume true; 90478#merge_sortEXIT >#89#return; 91153#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 91151#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 91149#L12 assume !(merge_~j~0#1 == merge_~n#1); 91147#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 91145#L14 assume !(merge_#t~mem7#1 < merge_#t~mem8#1);merge_#t~post11#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post11#1;call merge_#t~mem12#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post11#1, 4);merge_#t~ite13#1 := merge_#t~mem12#1; 91146#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 91155#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 91154#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 91152#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 91150#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 91148#L12 assume !(merge_~j~0#1 == merge_~n#1); 91141#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 91139#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 91137#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 91135#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 91133#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 91131#L12 [2022-11-18 20:08:28,664 INFO L750 eck$LassoCheckResult]: Loop: 91131#L12 assume !(merge_~j~0#1 == merge_~n#1); 91126#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post5#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post5#1;call merge_#t~mem6#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post5#1, 4);merge_#t~ite14#1 := merge_#t~mem6#1; 91112#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 91110#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 91107#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 91108#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 91131#L12 [2022-11-18 20:08:28,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:28,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1980590958, now seen corresponding path program 6 times [2022-11-18 20:08:28,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:28,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361519656] [2022-11-18 20:08:28,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:28,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:28,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:28,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:08:28,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:28,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1482376367, now seen corresponding path program 6 times [2022-11-18 20:08:28,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:28,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795386345] [2022-11-18 20:08:28,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:28,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:28,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:28,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:08:28,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:28,849 INFO L85 PathProgramCache]: Analyzing trace with hash 896952448, now seen corresponding path program 7 times [2022-11-18 20:08:28,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:28,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264656871] [2022-11-18 20:08:28,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:28,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:08:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:29,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:08:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:08:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:08:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:29,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:08:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 55 proven. 171 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-18 20:08:29,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:29,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264656871] [2022-11-18 20:08:29,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264656871] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:08:29,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784065607] [2022-11-18 20:08:29,616 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 20:08:29,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:08:29,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:29,623 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:08:29,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (245)] Waiting until timeout for monitored process [2022-11-18 20:08:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:29,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-18 20:08:29,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:30,261 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 72 proven. 154 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-18 20:08:30,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:08:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 72 proven. 154 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-18 20:08:30,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784065607] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:08:30,635 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:08:30,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 31 [2022-11-18 20:08:30,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155115263] [2022-11-18 20:08:30,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:08:30,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:30,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-18 20:08:30,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=873, Unknown=0, NotChecked=0, Total=992 [2022-11-18 20:08:30,757 INFO L87 Difference]: Start difference. First operand 1245 states and 1449 transitions. cyclomatic complexity: 247 Second operand has 32 states, 27 states have (on average 4.518518518518518) internal successors, (122), 27 states have internal predecessors, (122), 9 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (11), 7 states have call predecessors, (11), 6 states have call successors, (11) [2022-11-18 20:08:32,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:32,199 INFO L93 Difference]: Finished difference Result 1377 states and 1594 transitions. [2022-11-18 20:08:32,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1377 states and 1594 transitions. [2022-11-18 20:08:32,242 INFO L131 ngComponentsAnalysis]: Automaton has 40 accepting balls. 274 [2022-11-18 20:08:32,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1377 states to 1377 states and 1594 transitions. [2022-11-18 20:08:32,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1333 [2022-11-18 20:08:32,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1333 [2022-11-18 20:08:32,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1377 states and 1594 transitions. [2022-11-18 20:08:32,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:08:32,249 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1377 states and 1594 transitions. [2022-11-18 20:08:32,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states and 1594 transitions. [2022-11-18 20:08:32,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1335. [2022-11-18 20:08:32,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1256 states have (on average 1.1369426751592357) internal successors, (1428), 1252 states have internal predecessors, (1428), 47 states have call successors, (49), 34 states have call predecessors, (49), 32 states have return successors, (70), 48 states have call predecessors, (70), 43 states have call successors, (70) [2022-11-18 20:08:32,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1547 transitions. [2022-11-18 20:08:32,271 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1335 states and 1547 transitions. [2022-11-18 20:08:32,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-18 20:08:32,272 INFO L428 stractBuchiCegarLoop]: Abstraction has 1335 states and 1547 transitions. [2022-11-18 20:08:32,272 INFO L335 stractBuchiCegarLoop]: ======== Iteration 37 ============ [2022-11-18 20:08:32,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1335 states and 1547 transitions. [2022-11-18 20:08:32,277 INFO L131 ngComponentsAnalysis]: Automaton has 38 accepting balls. 266 [2022-11-18 20:08:32,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:08:32,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:08:32,279 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-18 20:08:32,279 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:08:32,279 INFO L748 eck$LassoCheckResult]: Stem: 94012#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 93986#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 93987#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 93989#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 93990#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 93991#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 93992#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 94041#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 94040#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 94038#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 94035#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 94036#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 93968#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 94026#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 94060#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 94047#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 94048#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 94308#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 94304#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 94305#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 94309#L24 assume ~n#1 < 2; 94307#merge_sortFINAL assume true; 94303#merge_sortEXIT >#87#return; 94299#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 94300#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 94306#L24 assume ~n#1 < 2; 94302#merge_sortFINAL assume true; 94298#merge_sortEXIT >#89#return; 94296#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 94294#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 94291#L12 assume !(merge_~j~0#1 == merge_~n#1); 94289#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 94286#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 94284#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 94282#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 94280#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 94278#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 94276#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 94272#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 94270#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 94268#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 94266#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 94264#L11-4 merge_~i~0#1 := 0; 94262#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 94260#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 94258#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 94256#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 94254#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 94252#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 94250#L8 assume { :end_inline_merge } true; 94247#merge_sortFINAL assume true; 94243#merge_sortEXIT >#87#return; 94006#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 94049#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 94897#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 94005#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 94007#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 94327#L24 assume ~n#1 < 2; 94328#merge_sortFINAL assume true; 94322#merge_sortEXIT >#87#return; 94323#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 94893#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 94895#L24 assume ~n#1 < 2; 94894#merge_sortFINAL assume true; 94378#merge_sortEXIT >#89#return; 94379#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 94375#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 94374#L12 assume !(merge_~j~0#1 == merge_~n#1); 94371#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 94372#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 94885#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 94882#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 94878#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 94875#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 94872#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 94869#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 94867#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 94865#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 94863#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 94861#L11-4 merge_~i~0#1 := 0; 94017#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 94018#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 94847#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 94846#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 94845#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 94844#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 94843#L8 assume { :end_inline_merge } true; 94842#merge_sortFINAL assume true; 94710#merge_sortEXIT >#89#return; 94711#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 95115#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 95114#L12 assume !(merge_~j~0#1 == merge_~n#1); 95113#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 95111#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 95112#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 95110#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 95108#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 95106#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 95104#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 95102#L12 assume !(merge_~j~0#1 == merge_~n#1); 95100#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 95098#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 93967#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 93969#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 95301#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 94021#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 94022#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 94042#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 93997#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 94023#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 94014#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 93995#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 93998#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 95205#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 94346#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 94345#L11-4 merge_~i~0#1 := 0; 94016#L17-3 [2022-11-18 20:08:32,280 INFO L750 eck$LassoCheckResult]: Loop: 94016#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 94015#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 94016#L17-3 [2022-11-18 20:08:32,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:32,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1258180293, now seen corresponding path program 17 times [2022-11-18 20:08:32,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:32,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923219973] [2022-11-18 20:08:32,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:32,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:32,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:32,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:08:32,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:32,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 10 times [2022-11-18 20:08:32,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:32,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182663832] [2022-11-18 20:08:32,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:32,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:32,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:32,464 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:08:32,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:32,464 INFO L85 PathProgramCache]: Analyzing trace with hash -2069514297, now seen corresponding path program 18 times [2022-11-18 20:08:32,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:32,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868978429] [2022-11-18 20:08:32,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:32,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:32,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:32,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:09:46,121 WARN L233 SmtUtils]: Spent 1.05m on a formula simplification. DAG size of input: 461 DAG size of output: 399 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:10:10,331 WARN L233 SmtUtils]: Spent 17.36s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:10:31,722 WARN L233 SmtUtils]: Spent 20.76s on a formula simplification that was a NOOP. DAG size: 214 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:10:49,248 WARN L233 SmtUtils]: Spent 11.52s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:11:25,349 WARN L233 SmtUtils]: Spent 36.10s on a formula simplification. DAG size of input: 259 DAG size of output: 254 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:11:48,580 WARN L233 SmtUtils]: Spent 16.97s on a formula simplification that was a NOOP. DAG size: 246 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:11:48,587 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:11:48,587 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:11:48,587 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:11:48,587 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:11:48,587 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:11:48,587 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:11:48,587 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:11:48,587 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:11:48,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration37_Lasso [2022-11-18 20:11:48,587 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:11:48,587 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:11:48,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,603 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:11:48,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,054 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,059 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,061 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,064 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,066 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,067 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,069 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,071 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,072 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,074 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,078 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:30,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:12:32,926 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:12:32,927 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:12:32,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:32,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:32,934 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:32,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:32,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:32,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:32,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:32,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:32,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:32,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:32,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:32,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2022-11-18 20:12:32,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:32,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2022-11-18 20:12:32,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:32,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:32,968 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:32,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2022-11-18 20:12:32,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:32,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:32,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:32,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:32,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:32,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:32,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:32,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:32,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:32,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Forceful destruction successful, exit code 0 [2022-11-18 20:12:32,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:32,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:32,986 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:32,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2022-11-18 20:12:32,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:32,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:32,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:32,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:32,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:12:33,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:12:33,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Ended with exit code 0 [2022-11-18 20:12:33,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,016 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2022-11-18 20:12:33,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Forceful destruction successful, exit code 0 [2022-11-18 20:12:33,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,034 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2022-11-18 20:12:33,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Ended with exit code 0 [2022-11-18 20:12:33,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,051 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2022-11-18 20:12:33,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Forceful destruction successful, exit code 0 [2022-11-18 20:12:33,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,069 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2022-11-18 20:12:33,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Forceful destruction successful, exit code 0 [2022-11-18 20:12:33,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,087 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2022-11-18 20:12:33,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Ended with exit code 0 [2022-11-18 20:12:33,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,105 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2022-11-18 20:12:33,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Forceful destruction successful, exit code 0 [2022-11-18 20:12:33,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,123 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2022-11-18 20:12:33,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Ended with exit code 0 [2022-11-18 20:12:33,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,155 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2022-11-18 20:12:33,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Forceful destruction successful, exit code 0 [2022-11-18 20:12:33,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,177 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2022-11-18 20:12:33,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Forceful destruction successful, exit code 0 [2022-11-18 20:12:33,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,194 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2022-11-18 20:12:33,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Ended with exit code 0 [2022-11-18 20:12:33,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,212 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2022-11-18 20:12:33,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Ended with exit code 0 [2022-11-18 20:12:33,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,229 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2022-11-18 20:12:33,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Forceful destruction successful, exit code 0 [2022-11-18 20:12:33,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,247 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2022-11-18 20:12:33,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Ended with exit code 0 [2022-11-18 20:12:33,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,264 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2022-11-18 20:12:33,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:12:33,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:12:33,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Forceful destruction successful, exit code 0 [2022-11-18 20:12:33,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,284 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2022-11-18 20:12:33,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:12:33,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:12:33,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Ended with exit code 0 [2022-11-18 20:12:33,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,306 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2022-11-18 20:12:33,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Ended with exit code 0 [2022-11-18 20:12:33,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,323 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2022-11-18 20:12:33,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Ended with exit code 0 [2022-11-18 20:12:33,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,341 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2022-11-18 20:12:33,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:12:33,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:12:33,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Ended with exit code 0 [2022-11-18 20:12:33,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,364 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2022-11-18 20:12:33,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:12:33,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:12:33,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2022-11-18 20:12:33,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,398 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2022-11-18 20:12:33,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:12:33,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:12:33,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:12:33,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:12:33,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2022-11-18 20:12:33,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,415 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2022-11-18 20:12:33,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:12:33,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:12:33,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:12:33,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:12:33,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:12:33,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:12:33,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:12:33,506 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:12:33,551 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-18 20:12:33,551 INFO L444 ModelExtractionUtils]: 21 out of 64 variables were initially zero. Simplification set additionally 40 variables to zero. [2022-11-18 20:12:33,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:33,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:33,557 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:33,558 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:12:33,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2022-11-18 20:12:33,585 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:12:33,585 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:12:33,585 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~n#1, merge_sort_merge_~i~0#1) = 1*merge_sort_merge_~n#1 - 1*merge_sort_merge_~i~0#1 Supporting invariants [] [2022-11-18 20:12:33,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Forceful destruction successful, exit code 0 [2022-11-18 20:12:38,302 INFO L156 tatePredicateManager]: 71 out of 71 supporting invariants were superfluous and have been removed [2022-11-18 20:12:38,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:38,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:12:38,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:12:38,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Forceful destruction successful, exit code 0 [2022-11-18 20:12:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:39,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:12:39,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:12:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:12:39,069 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:12:39,069 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1335 states and 1547 transitions. cyclomatic complexity: 256 Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:12:39,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1335 states and 1547 transitions. cyclomatic complexity: 256. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Result 1365 states and 1577 transitions. Complement of second has 9 states. [2022-11-18 20:12:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:12:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:12:39,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-11-18 20:12:39,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-18 20:12:39,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:12:39,115 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:12:39,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:39,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:12:39,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:12:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:39,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:12:39,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:12:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:12:39,854 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:12:39,854 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1335 states and 1547 transitions. cyclomatic complexity: 256 Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:12:39,897 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1335 states and 1547 transitions. cyclomatic complexity: 256. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Result 1365 states and 1577 transitions. Complement of second has 9 states. [2022-11-18 20:12:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:12:39,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:12:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-11-18 20:12:39,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-18 20:12:39,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:12:39,898 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:12:39,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:40,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:12:40,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:12:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:40,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:12:40,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:12:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:12:40,749 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:12:40,750 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1335 states and 1547 transitions. cyclomatic complexity: 256 Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:12:40,820 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1335 states and 1547 transitions. cyclomatic complexity: 256. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Result 1439 states and 1659 transitions. Complement of second has 11 states. [2022-11-18 20:12:40,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:12:40,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:12:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-11-18 20:12:40,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-18 20:12:40,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:12:40,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 118 letters. Loop has 2 letters. [2022-11-18 20:12:40,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:12:40,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 116 letters. Loop has 4 letters. [2022-11-18 20:12:40,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:12:40,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1439 states and 1659 transitions. [2022-11-18 20:12:40,829 INFO L131 ngComponentsAnalysis]: Automaton has 30 accepting balls. 250 [2022-11-18 20:12:40,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1439 states to 1173 states and 1353 transitions. [2022-11-18 20:12:40,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1062 [2022-11-18 20:12:40,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1109 [2022-11-18 20:12:40,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1173 states and 1353 transitions. [2022-11-18 20:12:40,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:12:40,836 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1173 states and 1353 transitions. [2022-11-18 20:12:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states and 1353 transitions. [2022-11-18 20:12:40,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1016. [2022-11-18 20:12:40,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 950 states have (on average 1.1326315789473684) internal successors, (1076), 946 states have internal predecessors, (1076), 40 states have call successors, (42), 27 states have call predecessors, (42), 26 states have return successors, (64), 42 states have call predecessors, (64), 37 states have call successors, (64) [2022-11-18 20:12:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1182 transitions. [2022-11-18 20:12:40,852 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1016 states and 1182 transitions. [2022-11-18 20:12:40,852 INFO L428 stractBuchiCegarLoop]: Abstraction has 1016 states and 1182 transitions. [2022-11-18 20:12:40,852 INFO L335 stractBuchiCegarLoop]: ======== Iteration 38 ============ [2022-11-18 20:12:40,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1016 states and 1182 transitions. [2022-11-18 20:12:40,855 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 242 [2022-11-18 20:12:40,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:12:40,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:12:40,859 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 7, 7, 7, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-11-18 20:12:40,860 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:12:40,860 INFO L748 eck$LassoCheckResult]: Stem: 100915#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 100891#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 100892#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 100894#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 100895#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 100896#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 100897#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 100898#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 100955#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 100954#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 100953#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 100951#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 100952#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 100959#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 100881#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 100940#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 100974#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 100911#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 100912#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 101119#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 101092#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 101101#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 100967#L24 assume ~n#1 < 2; 101100#merge_sortFINAL assume true; 101091#merge_sortEXIT >#87#return; 101081#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 101085#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 101098#L24 assume ~n#1 < 2; 101090#merge_sortFINAL assume true; 101078#merge_sortEXIT >#89#return; 101083#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 101182#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 101181#L12 assume !(merge_~j~0#1 == merge_~n#1); 101180#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 101177#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 101175#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 101173#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 101171#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 101169#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 101167#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 101165#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 101164#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 101163#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 101162#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 101161#L11-4 merge_~i~0#1 := 0; 101160#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 101159#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 101158#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 101157#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 101156#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 101155#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 101153#L8 assume { :end_inline_merge } true; 101151#merge_sortFINAL assume true; 101147#merge_sortEXIT >#87#return; 100908#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 101184#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 101185#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 100969#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 100970#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 101154#L24 assume ~n#1 < 2; 101152#merge_sortFINAL assume true; 101148#merge_sortEXIT >#87#return; 100927#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 100931#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 100962#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 100963#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 101145#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 101186#L24 assume ~n#1 < 2; 101146#merge_sortFINAL assume true; 101143#merge_sortEXIT >#87#return; 100885#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 100883#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 100886#L24 assume ~n#1 < 2; 100934#merge_sortFINAL assume true; 101551#merge_sortEXIT >#89#return; 101550#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 101549#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 101548#L12 assume !(merge_~j~0#1 == merge_~n#1); 101547#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 101543#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 101544#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 101537#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 101538#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 101531#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 101532#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 101526#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 101525#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 101524#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 101523#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 101522#L11-4 merge_~i~0#1 := 0; 101438#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 101439#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 101521#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 100926#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 100928#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 101686#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 101685#L8 assume { :end_inline_merge } true; 101684#merge_sortFINAL assume true; 101659#merge_sortEXIT >#89#return; 101660#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 101788#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 101786#L12 assume !(merge_~j~0#1 == merge_~n#1); 101784#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 101781#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 101778#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 101776#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 101774#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 101772#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 101770#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 101768#L12 assume !(merge_~j~0#1 == merge_~n#1); 101766#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 101763#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 101760#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 101758#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 101756#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 101754#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 101752#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 101738#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 101739#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 101828#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 101827#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 101826#L11-4 merge_~i~0#1 := 0; 101825#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 101824#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 101823#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 101822#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 101821#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 101820#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 101819#L8 assume { :end_inline_merge } true; 101818#merge_sortFINAL assume true; 100907#merge_sortEXIT >#89#return; 100909#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 100916#L11-3 [2022-11-18 20:12:40,860 INFO L750 eck$LassoCheckResult]: Loop: 100916#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 100899#L12 assume !(merge_~j~0#1 == merge_~n#1); 100900#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 101885#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 101886#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 101888#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 100942#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 100943#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 100916#L11-3 [2022-11-18 20:12:40,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:40,860 INFO L85 PathProgramCache]: Analyzing trace with hash 877422994, now seen corresponding path program 19 times [2022-11-18 20:12:40,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:40,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509009283] [2022-11-18 20:12:40,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:40,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:12:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:41,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:12:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:41,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:12:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:41,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-18 20:12:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:12:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:41,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:12:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:12:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:12:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 148 proven. 103 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-18 20:12:42,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:12:42,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509009283] [2022-11-18 20:12:42,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509009283] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:12:42,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268302189] [2022-11-18 20:12:42,146 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 20:12:42,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:12:42,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:42,147 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:12:42,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bc838ea-4625-4042-bc9f-54f1e88e2708/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (271)] Waiting until timeout for monitored process [2022-11-18 20:12:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:42,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-18 20:12:42,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:12:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 82 proven. 183 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-18 20:12:42,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:12:43,536 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 83 proven. 186 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-18 20:12:43,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268302189] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:12:43,536 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:12:43,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19, 20] total 41 [2022-11-18 20:12:43,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311660804] [2022-11-18 20:12:43,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:12:43,537 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:12:43,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:43,538 INFO L85 PathProgramCache]: Analyzing trace with hash -122324275, now seen corresponding path program 5 times [2022-11-18 20:12:43,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:43,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064231014] [2022-11-18 20:12:43,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:43,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:43,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:12:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:43,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:12:43,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:12:43,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-18 20:12:43,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1468, Unknown=0, NotChecked=0, Total=1640 [2022-11-18 20:12:43,776 INFO L87 Difference]: Start difference. First operand 1016 states and 1182 transitions. cyclomatic complexity: 207 Second operand has 41 states, 35 states have (on average 4.2) internal successors, (147), 34 states have internal predecessors, (147), 12 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 13 states have call predecessors, (20), 11 states have call successors, (20) [2022-11-18 20:12:47,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:12:47,363 INFO L93 Difference]: Finished difference Result 2190 states and 2654 transitions. [2022-11-18 20:12:47,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2190 states and 2654 transitions. [2022-11-18 20:12:47,375 INFO L131 ngComponentsAnalysis]: Automaton has 85 accepting balls. 674 [2022-11-18 20:12:47,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2190 states to 2190 states and 2654 transitions. [2022-11-18 20:12:47,385 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1989 [2022-11-18 20:12:47,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1989 [2022-11-18 20:12:47,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2190 states and 2654 transitions. [2022-11-18 20:12:47,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:12:47,387 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2190 states and 2654 transitions. [2022-11-18 20:12:47,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states and 2654 transitions. [2022-11-18 20:12:47,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 1215. [2022-11-18 20:12:47,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1149 states have (on average 1.1531766753698869) internal successors, (1325), 1145 states have internal predecessors, (1325), 40 states have call successors, (42), 27 states have call predecessors, (42), 26 states have return successors, (61), 42 states have call predecessors, (61), 37 states have call successors, (61) [2022-11-18 20:12:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1428 transitions. [2022-11-18 20:12:47,411 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1215 states and 1428 transitions. [2022-11-18 20:12:47,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-18 20:12:47,412 INFO L428 stractBuchiCegarLoop]: Abstraction has 1215 states and 1428 transitions. [2022-11-18 20:12:47,412 INFO L335 stractBuchiCegarLoop]: ======== Iteration 39 ============ [2022-11-18 20:12:47,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1215 states and 1428 transitions. [2022-11-18 20:12:47,416 INFO L131 ngComponentsAnalysis]: Automaton has 38 accepting balls. 329 [2022-11-18 20:12:47,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:12:47,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:12:47,417 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2022-11-18 20:12:47,417 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:12:47,418 INFO L748 eck$LassoCheckResult]: Stem: 105251#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 105219#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet21#1, main_#t~post20#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 105220#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 105222#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 105223#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 105224#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 105225#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 105226#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 105278#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 105277#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 105276#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 105274#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);call write~int(main_#t~nondet21#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet21#1; 105275#L40-2 main_#t~post20#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post20#1;havoc main_#t~post20#1; 105282#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 105218#L40-4 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 105268#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 105306#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 105302#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 105305#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 105304#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 105298#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 105303#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 105289#L24 assume ~n#1 < 2; 105301#merge_sortFINAL assume true; 105297#merge_sortEXIT >#87#return; 105299#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 105296#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 105406#L24 assume ~n#1 < 2; 105397#merge_sortFINAL assume true; 105390#merge_sortEXIT >#89#return; 105392#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 105517#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 105516#L12 assume !(merge_~j~0#1 == merge_~n#1); 105515#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 105512#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 105510#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 105508#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 105506#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 105504#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 105502#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 105500#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 105499#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 105498#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 105497#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 105496#L11-4 merge_~i~0#1 := 0; 105495#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 105494#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 105493#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 105492#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 105491#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 105490#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 105489#L8 assume { :end_inline_merge } true; 105488#merge_sortFINAL assume true; 105487#merge_sortEXIT >#87#return; 105266#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 105864#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 105863#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 105484#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 105247#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 105486#L24 assume ~n#1 < 2; 105485#merge_sortFINAL assume true; 105483#merge_sortEXIT >#87#return; 105292#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 105293#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 105858#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 105477#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 105479#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 105481#L24 assume ~n#1 < 2; 105480#merge_sortFINAL assume true; 105476#merge_sortEXIT >#87#return; 105209#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 105208#merge_sortENTRY ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 105211#L24 assume ~n#1 < 2; 105260#merge_sortFINAL assume true; 105547#merge_sortEXIT >#89#return; 105548#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 105857#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 105856#L12 assume !(merge_~j~0#1 == merge_~n#1); 105855#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 105853#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 105854#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 105862#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 105861#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 105860#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 105859#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 105844#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 105843#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 105842#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 105841#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 105840#L11-4 merge_~i~0#1 := 0; 105839#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 105838#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 105837#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 105836#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 105835#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 105834#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 105833#L8 assume { :end_inline_merge } true; 105832#merge_sortFINAL assume true; 105571#merge_sortEXIT >#89#return; 105572#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 105830#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 105828#L12 assume !(merge_~j~0#1 == merge_~n#1); 105826#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 105823#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 105820#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 105818#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 105816#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 105814#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 105812#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 105810#L12 assume !(merge_~j~0#1 == merge_~n#1); 105808#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 105805#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 105802#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 105800#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 105798#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 105796#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 105794#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 105780#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post3#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post3#1;call merge_#t~mem4#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post3#1, 4);merge_#t~ite15#1 := merge_#t~mem4#1; 105779#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 105777#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 105778#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 105265#L11-4 merge_~i~0#1 := 0; 105267#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 105769#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 105770#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 105556#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 105557#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem17#1 := read~int(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int(merge_#t~mem17#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem17#1; 105552#L17-2 merge_#t~post16#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post16#1;havoc merge_#t~post16#1; 105553#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 105685#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 105686#L8 assume { :end_inline_merge } true; 105677#merge_sortFINAL assume true; 105678#merge_sortEXIT >#89#return; 105895#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite15#1, merge_#t~post3#1, merge_#t~mem4#1, merge_#t~ite14#1, merge_#t~post5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~mem8#1, merge_#t~ite13#1, merge_#t~post9#1, merge_#t~mem10#1, merge_#t~post11#1, merge_#t~mem12#1, merge_#t~post2#1, merge_#t~mem17#1, merge_#t~post16#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 106401#L11-3 [2022-11-18 20:12:47,418 INFO L750 eck$LassoCheckResult]: Loop: 106401#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 106400#L12 assume !(merge_~j~0#1 == merge_~n#1); 106399#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem7#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem8#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 106397#L14 assume merge_#t~mem7#1 < merge_#t~mem8#1;merge_#t~post9#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post9#1;call merge_#t~mem10#1 := read~int(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post9#1, 4);merge_#t~ite13#1 := merge_#t~mem10#1; 106398#L14-2 merge_#t~ite14#1 := merge_#t~ite13#1; 106404#L13-2 merge_#t~ite15#1 := merge_#t~ite14#1; 106403#L12-2 call write~int(merge_#t~ite15#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite15#1;havoc merge_#t~post3#1;havoc merge_#t~mem4#1;havoc merge_#t~ite14#1;havoc merge_#t~post5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~mem8#1;havoc merge_#t~ite13#1;havoc merge_#t~post9#1;havoc merge_#t~mem10#1;havoc merge_#t~post11#1;havoc merge_#t~mem12#1; 106402#L11-2 merge_#t~post2#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post2#1;havoc merge_#t~post2#1; 106401#L11-3 [2022-11-18 20:12:47,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:47,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1035580308, now seen corresponding path program 20 times [2022-11-18 20:12:47,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:47,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383045255] [2022-11-18 20:12:47,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:47,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:47,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:12:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:47,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:12:47,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:47,651 INFO L85 PathProgramCache]: Analyzing trace with hash -122324275, now seen corresponding path program 6 times [2022-11-18 20:12:47,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:47,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253042919] [2022-11-18 20:12:47,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:47,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:47,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:12:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:47,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:12:47,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:47,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1784146784, now seen corresponding path program 21 times [2022-11-18 20:12:47,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:47,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325181003] [2022-11-18 20:12:47,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:47,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:47,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:12:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:48,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:13:18,117 WARN L233 SmtUtils]: Spent 21.96s on a formula simplification. DAG size of input: 412 DAG size of output: 341 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:13:33,991 WARN L233 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 181 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:14:33,651 WARN L233 SmtUtils]: Spent 59.65s on a formula simplification. DAG size of input: 336 DAG size of output: 324 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:14:53,862 WARN L233 SmtUtils]: Spent 13.32s on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:15:13,514 WARN L233 SmtUtils]: Spent 18.62s on a formula simplification that was a NOOP. DAG size: 218 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)