./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN --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 a88178fc87721f9fcc743f79bc2a47ff45a89438b0709780ae0f715015934520 --- 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-6b4ec56 [2022-11-20 11:04:30,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:04:30,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:04:30,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:04:30,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:04:30,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:04:30,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:04:30,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:04:30,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:04:30,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:04:30,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:04:30,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:04:30,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:04:30,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:04:30,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:04:30,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:04:30,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:04:30,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:04:30,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:04:30,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:04:30,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:04:30,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:04:30,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:04:30,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:04:30,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:04:30,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:04:30,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:04:30,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:04:30,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:04:30,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:04:30,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:04:30,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:04:30,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:04:30,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:04:30,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:04:30,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:04:30,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:04:30,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:04:30,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:04:30,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:04:30,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:04:30,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 11:04:30,285 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:04:30,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:04:30,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:04:30,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:04:30,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:04:30,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:04:30,288 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:04:30,288 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:04:30,289 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:04:30,289 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:04:30,289 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:04:30,289 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:04:30,290 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:04:30,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:04:30,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:04:30,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:04:30,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:04:30,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:04:30,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:04:30,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:04:30,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:04:30,292 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:04:30,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:04:30,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:04:30,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:04:30,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:04:30,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:04:30,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:04:30,294 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:04:30,295 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_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a88178fc87721f9fcc743f79bc2a47ff45a89438b0709780ae0f715015934520 [2022-11-20 11:04:30,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:04:30,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:04:30,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:04:30,649 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:04:30,651 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:04:30,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2022-11-20 11:04:33,970 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:04:34,392 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:04:34,393 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2022-11-20 11:04:34,405 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/data/51081f9b8/8ea568ea4a0b48b6b00c0e79cfb20ae9/FLAG1726e7d05 [2022-11-20 11:04:34,422 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/data/51081f9b8/8ea568ea4a0b48b6b00c0e79cfb20ae9 [2022-11-20 11:04:34,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:04:34,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:04:34,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:04:34,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:04:34,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:04:34,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:04:34" (1/1) ... [2022-11-20 11:04:34,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c924dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:34, skipping insertion in model container [2022-11-20 11:04:34,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:04:34" (1/1) ... [2022-11-20 11:04:34,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:04:34,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:04:34,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:04:34,913 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:04:34,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:04:35,015 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:04:35,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35 WrapperNode [2022-11-20 11:04:35,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:04:35,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:04:35,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:04:35,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:04:35,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (1/1) ... [2022-11-20 11:04:35,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (1/1) ... [2022-11-20 11:04:35,068 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-11-20 11:04:35,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:04:35,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:04:35,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:04:35,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:04:35,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (1/1) ... [2022-11-20 11:04:35,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (1/1) ... [2022-11-20 11:04:35,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (1/1) ... [2022-11-20 11:04:35,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (1/1) ... [2022-11-20 11:04:35,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (1/1) ... [2022-11-20 11:04:35,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (1/1) ... [2022-11-20 11:04:35,099 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (1/1) ... [2022-11-20 11:04:35,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (1/1) ... [2022-11-20 11:04:35,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:04:35,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:04:35,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:04:35,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:04:35,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (1/1) ... [2022-11-20 11:04:35,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:35,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:35,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:35,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:04:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:04:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:04:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:04:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:04:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:04:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:04:35,350 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:04:35,353 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:04:35,609 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:04:35,624 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:04:35,625 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 11:04:35,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:04:35 BoogieIcfgContainer [2022-11-20 11:04:35,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:04:35,629 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:04:35,629 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:04:35,634 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:04:35,635 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:04:35,651 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:04:34" (1/3) ... [2022-11-20 11:04:35,652 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5950bba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:04:35, skipping insertion in model container [2022-11-20 11:04:35,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:04:35,653 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:04:35" (2/3) ... [2022-11-20 11:04:35,653 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5950bba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:04:35, skipping insertion in model container [2022-11-20 11:04:35,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:04:35,654 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:04:35" (3/3) ... [2022-11-20 11:04:35,656 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_BubbleSort-alloca-2.i [2022-11-20 11:04:35,750 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:04:35,751 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:04:35,751 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:04:35,751 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:04:35,752 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:04:35,752 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:04:35,752 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:04:35,752 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:04:35,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2022-11-20 11:04:35,781 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 11:04:35,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:35,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:35,789 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 11:04:35,790 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:04:35,790 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:04:35,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2022-11-20 11:04:35,792 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 11:04:35,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:35,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:35,793 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 11:04:35,794 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 11:04:35,804 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 12#L558true assume !(main_~array_size~0#1 < 1); 7#L558-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 14#L562-3true [2022-11-20 11:04:35,805 INFO L750 eck$LassoCheckResult]: Loop: 14#L562-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 16#L562-2true main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 14#L562-3true [2022-11-20 11:04:35,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:35,814 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-20 11:04:35,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:35,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436062868] [2022-11-20 11:04:35,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:35,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:35,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:36,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:36,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:36,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-11-20 11:04:36,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:36,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348813127] [2022-11-20 11:04:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:36,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:36,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:36,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:36,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:36,139 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-11-20 11:04:36,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:36,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992471606] [2022-11-20 11:04:36,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:36,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:36,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:36,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:36,687 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:04:36,688 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:04:36,688 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:04:36,688 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:04:36,688 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:04:36,689 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:36,689 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:04:36,689 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:04:36,690 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration1_Lasso [2022-11-20 11:04:36,690 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:04:36,690 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:04:36,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:36,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:36,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:36,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:36,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:37,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:37,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:37,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:37,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:37,542 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:04:37,548 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:04:37,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:37,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:37,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:37,580 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 [2022-11-20 11:04:37,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:04:37,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:37,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:37,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:37,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:37,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:37,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:37,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:37,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:37,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-20 11:04:37,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:37,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:37,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:37,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:04:37,644 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 [2022-11-20 11:04:37,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:37,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:37,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:37,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:37,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:37,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:37,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:37,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:37,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:37,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:37,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:37,733 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 [2022-11-20 11:04:37,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:04:37,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:37,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:37,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:37,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:37,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:37,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:37,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:37,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:37,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:37,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:37,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:37,780 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:37,791 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 [2022-11-20 11:04:37,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:04:37,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:37,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:37,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:37,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:37,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:37,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:37,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:37,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:37,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:37,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:37,837 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:37,843 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 [2022-11-20 11:04:37,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:04:37,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:37,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:37,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:37,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:37,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:37,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:37,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:37,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:37,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:37,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:37,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:37,883 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:37,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:04:37,896 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 [2022-11-20 11:04:37,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:37,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:37,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:37,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:37,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:37,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:37,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:37,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:37,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:37,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:37,949 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:37,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:04:37,956 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 [2022-11-20 11:04:37,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:37,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:37,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:37,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:37,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:37,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:38,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:38,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:38,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:38,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:38,030 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:38,040 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 [2022-11-20 11:04:38,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:04:38,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:38,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:38,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:38,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:38,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:38,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:38,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:38,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:38,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:38,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:38,086 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:38,097 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 [2022-11-20 11:04:38,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:04:38,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:38,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:38,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:38,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:38,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:38,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:38,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:38,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:38,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:38,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:38,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:38,133 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:38,149 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 [2022-11-20 11:04:38,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:04:38,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:38,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:38,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:38,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:38,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:38,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:38,207 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:04:38,278 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-20 11:04:38,279 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-11-20 11:04:38,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:38,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:38,315 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:38,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:04:38,317 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:04:38,360 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 11:04:38,360 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:04:38,361 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1) = -4*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0#1.offset >= 0] [2022-11-20 11:04:38,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:38,397 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-11-20 11:04:38,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:38,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:04:38,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:38,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 11:04:38,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:38,602 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 [2022-11-20 11:04:38,605 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-20 11:04:38,720 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 35 states and 53 transitions. Complement of second has 8 states. [2022-11-20 11:04:38,723 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 [2022-11-20 11:04:38,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-20 11:04:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2022-11-20 11:04:38,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 11:04:38,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:38,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-20 11:04:38,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:38,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-20 11:04:38,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:38,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 53 transitions. [2022-11-20 11:04:38,741 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 11:04:38,746 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 18 transitions. [2022-11-20 11:04:38,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 11:04:38,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-20 11:04:38,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-20 11:04:38,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:04:38,749 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-20 11:04:38,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-20 11:04:38,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-20 11:04:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2022-11-20 11:04:38,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-20 11:04:38,785 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-20 11:04:38,785 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-20 11:04:38,785 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:04:38,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-20 11:04:38,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 11:04:38,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:38,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:38,787 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 11:04:38,787 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:04:38,788 INFO L748 eck$LassoCheckResult]: Stem: 119#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 123#L558 assume !(main_~array_size~0#1 < 1); 124#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 127#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 117#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 118#L550-3 [2022-11-20 11:04:38,788 INFO L750 eck$LassoCheckResult]: Loop: 118#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 122#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 125#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 118#L550-3 [2022-11-20 11:04:38,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:38,789 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-11-20 11:04:38,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:38,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844938584] [2022-11-20 11:04:38,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:38,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:38,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:38,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:04:38,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844938584] [2022-11-20 11:04:38,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844938584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:04:38,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:04:38,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:04:38,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222863341] [2022-11-20 11:04:38,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:04:38,937 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:04:38,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:38,938 INFO L85 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2022-11-20 11:04:38,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:38,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827484018] [2022-11-20 11:04:38,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:38,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:38,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:04:38,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827484018] [2022-11-20 11:04:38,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827484018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:04:38,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:04:38,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:04:38,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786934079] [2022-11-20 11:04:38,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:04:38,982 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:04:38,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:04:38,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:04:38,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:04:38,988 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-20 11:04:39,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:39,013 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2022-11-20 11:04:39,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2022-11-20 11:04:39,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:04:39,015 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 19 transitions. [2022-11-20 11:04:39,015 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-20 11:04:39,015 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 11:04:39,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2022-11-20 11:04:39,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:04:39,016 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-20 11:04:39,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2022-11-20 11:04:39,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-20 11:04:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 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) [2022-11-20 11:04:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2022-11-20 11:04:39,019 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-20 11:04:39,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:04:39,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-20 11:04:39,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 11:04:39,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2022-11-20 11:04:39,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:04:39,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:39,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:39,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 11:04:39,023 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-20 11:04:39,023 INFO L748 eck$LassoCheckResult]: Stem: 154#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 155#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 158#L558 assume !(main_~array_size~0#1 < 1); 159#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 162#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 152#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 153#L550-3 [2022-11-20 11:04:39,024 INFO L750 eck$LassoCheckResult]: Loop: 153#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 160#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 161#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 156#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 157#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 165#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 153#L550-3 [2022-11-20 11:04:39,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:39,025 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2022-11-20 11:04:39,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:39,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187504746] [2022-11-20 11:04:39,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:39,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:39,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:04:39,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187504746] [2022-11-20 11:04:39,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187504746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:04:39,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:04:39,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:04:39,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164616284] [2022-11-20 11:04:39,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:04:39,122 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:04:39,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:39,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 1 times [2022-11-20 11:04:39,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:39,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25424241] [2022-11-20 11:04:39,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:39,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:39,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:39,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:39,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:04:39,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:04:39,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:04:39,426 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-11-20 11:04:39,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:39,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:39,478 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-11-20 11:04:39,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-11-20 11:04:39,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:04:39,480 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2022-11-20 11:04:39,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-20 11:04:39,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 11:04:39,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-11-20 11:04:39,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:04:39,481 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-20 11:04:39,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-11-20 11:04:39,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2022-11-20 11:04:39,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 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) [2022-11-20 11:04:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-11-20 11:04:39,483 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-20 11:04:39,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:04:39,485 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-20 11:04:39,485 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 11:04:39,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-11-20 11:04:39,486 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:04:39,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:39,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:39,487 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:39,487 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-20 11:04:39,487 INFO L748 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 194#L558 assume !(main_~array_size~0#1 < 1); 195#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 198#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 199#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 200#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 188#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 189#L550-3 [2022-11-20 11:04:39,487 INFO L750 eck$LassoCheckResult]: Loop: 189#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 196#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 197#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 192#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 193#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 201#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 189#L550-3 [2022-11-20 11:04:39,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:39,488 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-11-20 11:04:39,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:39,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835286928] [2022-11-20 11:04:39,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:39,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:39,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:39,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:39,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:39,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 2 times [2022-11-20 11:04:39,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:39,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13711561] [2022-11-20 11:04:39,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:39,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:39,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:39,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:39,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:39,553 INFO L85 PathProgramCache]: Analyzing trace with hash -256077176, now seen corresponding path program 1 times [2022-11-20 11:04:39,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:39,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607518471] [2022-11-20 11:04:39,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:39,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:39,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:04:39,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:04:39,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607518471] [2022-11-20 11:04:39,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607518471] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:04:39,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62327382] [2022-11-20 11:04:39,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:39,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:04:39,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:39,789 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:04:39,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 11:04:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:39,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 11:04:39,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:04:39,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:04:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:04:40,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62327382] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:04:40,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:04:40,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 9 [2022-11-20 11:04:40,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589687396] [2022-11-20 11:04:40,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:04:40,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:04:40,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:04:40,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:04:40,215 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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) [2022-11-20 11:04:40,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:40,334 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-11-20 11:04:40,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-11-20 11:04:40,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:04:40,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 17 states and 20 transitions. [2022-11-20 11:04:40,335 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-20 11:04:40,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 11:04:40,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2022-11-20 11:04:40,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:04:40,336 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-20 11:04:40,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2022-11-20 11:04:40,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-11-20 11:04:40,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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) [2022-11-20 11:04:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-20 11:04:40,338 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-20 11:04:40,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:04:40,339 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-20 11:04:40,339 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 11:04:40,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-11-20 11:04:40,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:04:40,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:40,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:40,341 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:40,341 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-20 11:04:40,341 INFO L748 eck$LassoCheckResult]: Stem: 328#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 329#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 332#L558 assume !(main_~array_size~0#1 < 1); 333#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 336#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 337#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 338#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 339#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 341#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 326#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 327#L550-3 [2022-11-20 11:04:40,342 INFO L750 eck$LassoCheckResult]: Loop: 327#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 334#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 335#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 330#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 331#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 340#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 327#L550-3 [2022-11-20 11:04:40,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:40,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2022-11-20 11:04:40,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:40,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203526637] [2022-11-20 11:04:40,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:40,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:40,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:40,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:40,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:40,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 3 times [2022-11-20 11:04:40,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:40,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87159018] [2022-11-20 11:04:40,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:40,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:40,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:40,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:40,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:40,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1808202986, now seen corresponding path program 2 times [2022-11-20 11:04:40,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:40,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463655136] [2022-11-20 11:04:40,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:40,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:40,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:40,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:41,044 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:04:41,044 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:04:41,044 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:04:41,045 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:04:41,045 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:04:41,045 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:41,045 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:04:41,045 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:04:41,045 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration5_Lasso [2022-11-20 11:04:41,046 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:04:41,046 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:04:41,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,447 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,452 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,460 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,469 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,476 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:41,497 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:42,024 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:04:42,024 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:04:42,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:42,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:42,029 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:42,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:04:42,040 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 [2022-11-20 11:04:42,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:42,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:42,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:42,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:42,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:42,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:42,091 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:04:42,121 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 11:04:42,121 INFO L444 ModelExtractionUtils]: 23 out of 40 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-11-20 11:04:42,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:42,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:42,125 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:42,133 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:04:42,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 11:04:42,155 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:04:42,156 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:04:42,156 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~n#1, ULTIMATE.start_sort_~pass~0#1) = 1*ULTIMATE.start_sort_~n#1 - 1*ULTIMATE.start_sort_~pass~0#1 Supporting invariants [] [2022-11-20 11:04:42,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:42,185 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-20 11:04:42,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:42,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:04:42,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:42,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:04:42,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:42,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:04:42,292 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 [2022-11-20 11:04:42,292 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-20 11:04:42,315 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 22 states and 28 transitions. Complement of second has 4 states. [2022-11-20 11:04:42,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 11:04:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-20 11:04:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2022-11-20 11:04:42,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2022-11-20 11:04:42,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:42,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 16 letters. Loop has 6 letters. [2022-11-20 11:04:42,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:42,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 12 letters. [2022-11-20 11:04:42,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:42,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2022-11-20 11:04:42,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:42,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 27 transitions. [2022-11-20 11:04:42,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 11:04:42,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-20 11:04:42,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2022-11-20 11:04:42,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:04:42,326 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-20 11:04:42,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2022-11-20 11:04:42,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2022-11-20 11:04:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2022-11-20 11:04:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-11-20 11:04:42,330 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-20 11:04:42,330 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-20 11:04:42,331 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 11:04:42,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-11-20 11:04:42,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:42,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:42,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:42,333 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:42,333 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:04:42,334 INFO L748 eck$LassoCheckResult]: Stem: 457#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 458#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 463#L558 assume !(main_~array_size~0#1 < 1); 464#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 469#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 470#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 471#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 472#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 474#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 455#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 456#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 460#L551-3 [2022-11-20 11:04:42,334 INFO L750 eck$LassoCheckResult]: Loop: 460#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 465#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 459#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 460#L551-3 [2022-11-20 11:04:42,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:42,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2022-11-20 11:04:42,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:42,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388031023] [2022-11-20 11:04:42,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:42,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:42,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:42,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:42,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:42,378 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2022-11-20 11:04:42,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:42,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199729402] [2022-11-20 11:04:42,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:42,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:42,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:42,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:42,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:42,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:42,437 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 1 times [2022-11-20 11:04:42,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:42,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784703779] [2022-11-20 11:04:42,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:42,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:42,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:42,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:42,986 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:04:42,986 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:04:42,986 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:04:42,986 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:04:42,987 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:04:42,987 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:42,987 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:04:42,987 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:04:42,987 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration6_Lasso [2022-11-20 11:04:42,987 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:04:42,987 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:04:42,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:42,994 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:42,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:42,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,431 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,434 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,446 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:43,979 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:04:43,979 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:04:43,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:43,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:43,981 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:43,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 11:04:43,996 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 [2022-11-20 11:04:44,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:44,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:44,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:44,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:44,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:44,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:44,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:44,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:44,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:44,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:44,037 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:44,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 11:04:44,042 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 [2022-11-20 11:04:44,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:44,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:44,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:44,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:44,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:44,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:44,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:44,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:44,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:44,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:44,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:44,075 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:44,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 11:04:44,085 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 [2022-11-20 11:04:44,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:44,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:44,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:44,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:44,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:44,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:44,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:44,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:44,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:44,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:44,132 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:44,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 11:04:44,149 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 [2022-11-20 11:04:44,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:44,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:44,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:44,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:44,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:44,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:44,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:44,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:44,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:44,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:44,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:44,192 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:44,208 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 [2022-11-20 11:04:44,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 11:04:44,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:44,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:44,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:44,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:44,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:44,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:44,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:44,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:44,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:44,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:44,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:44,243 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:44,257 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 [2022-11-20 11:04:44,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 11:04:44,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:44,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:44,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:44,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:44,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:44,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:44,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:44,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:44,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:44,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:44,302 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:44,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 11:04:44,317 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 [2022-11-20 11:04:44,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:44,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:44,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:44,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:44,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:44,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:44,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:44,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:44,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:44,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:44,363 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:44,370 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 [2022-11-20 11:04:44,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 11:04:44,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:44,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:44,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:44,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:44,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:44,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:44,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:44,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:44,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:44,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:44,424 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:44,431 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 [2022-11-20 11:04:44,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 11:04:44,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:44,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:44,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:44,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:44,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:44,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:44,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:44,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:44,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:44,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:44,477 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:44,484 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 [2022-11-20 11:04:44,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 11:04:44,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:44,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:44,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:44,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:44,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:44,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:44,547 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:04:44,602 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-20 11:04:44,602 INFO L444 ModelExtractionUtils]: 10 out of 40 variables were initially zero. Simplification set additionally 26 variables to zero. [2022-11-20 11:04:44,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:44,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:44,604 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:44,614 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:04:44,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 11:04:44,633 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 11:04:44,633 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:04:44,633 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0#1, v_rep(select #length ULTIMATE.start_sort_~x#1.base)_2) = -4*ULTIMATE.start_sort_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_sort_~x#1.base)_2 Supporting invariants [1*ULTIMATE.start_sort_~x#1.offset >= 0] [2022-11-20 11:04:44,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:44,676 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2022-11-20 11:04:44,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:44,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:04:44,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:44,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:04:44,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:44,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:44,855 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-20 11:04:44,855 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-20 11:04:44,921 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 36 states and 50 transitions. Complement of second has 9 states. [2022-11-20 11:04:44,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 11:04:44,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-20 11:04:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2022-11-20 11:04:44,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2022-11-20 11:04:44,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:44,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-20 11:04:44,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:44,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2022-11-20 11:04:44,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:44,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 50 transitions. [2022-11-20 11:04:44,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:44,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 26 states and 34 transitions. [2022-11-20 11:04:44,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 11:04:44,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 11:04:44,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2022-11-20 11:04:44,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:04:44,932 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 34 transitions. [2022-11-20 11:04:44,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2022-11-20 11:04:44,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2022-11-20 11:04:44,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 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) [2022-11-20 11:04:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-11-20 11:04:44,935 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-20 11:04:44,935 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-20 11:04:44,935 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 11:04:44,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-11-20 11:04:44,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:44,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:44,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:44,939 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:44,939 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:04:44,939 INFO L748 eck$LassoCheckResult]: Stem: 621#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 622#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 627#L558 assume !(main_~array_size~0#1 < 1); 628#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 633#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 634#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 635#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 636#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 638#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 619#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 620#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 630#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 631#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 625#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 626#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 637#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 632#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 624#L551-3 [2022-11-20 11:04:44,939 INFO L750 eck$LassoCheckResult]: Loop: 624#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 629#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 623#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 624#L551-3 [2022-11-20 11:04:44,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:44,939 INFO L85 PathProgramCache]: Analyzing trace with hash 221564791, now seen corresponding path program 1 times [2022-11-20 11:04:44,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:44,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874882410] [2022-11-20 11:04:44,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:44,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:45,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:04:45,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:04:45,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874882410] [2022-11-20 11:04:45,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874882410] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:04:45,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000884332] [2022-11-20 11:04:45,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:45,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:04:45,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:45,052 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:04:45,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-20 11:04:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:45,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:04:45,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:04:45,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:04:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:04:45,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000884332] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:04:45,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:04:45,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-11-20 11:04:45,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851641649] [2022-11-20 11:04:45,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:04:45,285 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:04:45,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:45,286 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2022-11-20 11:04:45,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:45,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286363463] [2022-11-20 11:04:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:45,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:45,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:45,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:45,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:04:45,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 11:04:45,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:04:45,413 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 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) [2022-11-20 11:04:45,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:45,519 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2022-11-20 11:04:45,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2022-11-20 11:04:45,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:45,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 23 states and 28 transitions. [2022-11-20 11:04:45,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 11:04:45,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 11:04:45,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2022-11-20 11:04:45,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:04:45,521 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-11-20 11:04:45,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2022-11-20 11:04:45,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-20 11:04:45,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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) [2022-11-20 11:04:45,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-20 11:04:45,523 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-20 11:04:45,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:04:45,524 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-20 11:04:45,524 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 11:04:45,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2022-11-20 11:04:45,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:45,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:45,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:45,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:45,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:04:45,526 INFO L748 eck$LassoCheckResult]: Stem: 789#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 790#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 795#L558 assume !(main_~array_size~0#1 < 1); 796#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 801#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 802#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 803#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 804#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 806#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 808#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 807#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 787#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 788#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 798#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 799#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 793#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 794#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 805#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 800#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 792#L551-3 [2022-11-20 11:04:45,526 INFO L750 eck$LassoCheckResult]: Loop: 792#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 797#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 791#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 792#L551-3 [2022-11-20 11:04:45,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:45,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1850126805, now seen corresponding path program 2 times [2022-11-20 11:04:45,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:45,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283235183] [2022-11-20 11:04:45,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:45,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:45,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:45,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:04:45,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283235183] [2022-11-20 11:04:45,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283235183] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:04:45,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366783127] [2022-11-20 11:04:45,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:04:45,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:04:45,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:45,766 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:04:45,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-11-20 11:04:45,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 11:04:45,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:04:45,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:04:45,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:45,910 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 11:04:45,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:04:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 11:04:45,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366783127] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:04:45,972 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:04:45,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2022-11-20 11:04:45,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752284705] [2022-11-20 11:04:45,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:04:45,973 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:04:45,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:45,974 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2022-11-20 11:04:45,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:45,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441772749] [2022-11-20 11:04:45,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:45,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:45,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:45,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:46,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:04:46,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 11:04:46,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-20 11:04:46,104 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 14 states have internal predecessors, (31), 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) [2022-11-20 11:04:46,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:46,460 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2022-11-20 11:04:46,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2022-11-20 11:04:46,461 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:46,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 43 states and 56 transitions. [2022-11-20 11:04:46,462 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 11:04:46,462 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-20 11:04:46,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 56 transitions. [2022-11-20 11:04:46,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:04:46,462 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 56 transitions. [2022-11-20 11:04:46,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 56 transitions. [2022-11-20 11:04:46,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 25. [2022-11-20 11:04:46,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 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) [2022-11-20 11:04:46,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-11-20 11:04:46,465 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-20 11:04:46,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 11:04:46,466 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-20 11:04:46,466 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 11:04:46,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2022-11-20 11:04:46,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:46,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:46,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:46,468 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:46,468 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:04:46,468 INFO L748 eck$LassoCheckResult]: Stem: 1005#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1006#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1011#L558 assume !(main_~array_size~0#1 < 1); 1012#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1017#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1018#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1019#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1020#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1023#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1025#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1024#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1003#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 1004#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1015#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1027#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1009#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1010#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1014#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1022#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1026#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 1021#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 1016#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1008#L551-3 [2022-11-20 11:04:46,468 INFO L750 eck$LassoCheckResult]: Loop: 1008#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1013#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1007#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1008#L551-3 [2022-11-20 11:04:46,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:46,469 INFO L85 PathProgramCache]: Analyzing trace with hash -135460634, now seen corresponding path program 3 times [2022-11-20 11:04:46,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:46,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873517229] [2022-11-20 11:04:46,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:46,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:46,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:46,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:46,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:46,545 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2022-11-20 11:04:46,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:46,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193662310] [2022-11-20 11:04:46,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:46,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:46,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:46,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:46,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:46,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1761549573, now seen corresponding path program 1 times [2022-11-20 11:04:46,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:46,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300721162] [2022-11-20 11:04:46,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:46,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:04:47,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:04:47,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300721162] [2022-11-20 11:04:47,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300721162] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:04:47,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371700461] [2022-11-20 11:04:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:47,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:04:47,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:47,442 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:04:47,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-11-20 11:04:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:47,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 11:04:47,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:47,665 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 11:04:47,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 10 [2022-11-20 11:04:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 11:04:47,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:04:47,806 INFO L321 Elim1Store]: treesize reduction 15, result has 65.1 percent of original size [2022-11-20 11:04:47,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 34 [2022-11-20 11:04:47,864 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 11:04:47,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371700461] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:04:47,865 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:04:47,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 7] total 21 [2022-11-20 11:04:47,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568940619] [2022-11-20 11:04:47,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:04:47,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:04:47,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 11:04:47,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2022-11-20 11:04:47,985 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. cyclomatic complexity: 9 Second operand has 21 states, 21 states have (on average 2.2857142857142856) internal successors, (48), 21 states have internal predecessors, (48), 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) [2022-11-20 11:04:48,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:48,330 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2022-11-20 11:04:48,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2022-11-20 11:04:48,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-20 11:04:48,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 58 transitions. [2022-11-20 11:04:48,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-11-20 11:04:48,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-11-20 11:04:48,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2022-11-20 11:04:48,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:04:48,333 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 58 transitions. [2022-11-20 11:04:48,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2022-11-20 11:04:48,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2022-11-20 11:04:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 states have internal predecessors, (43), 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) [2022-11-20 11:04:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2022-11-20 11:04:48,337 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 43 transitions. [2022-11-20 11:04:48,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 11:04:48,339 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2022-11-20 11:04:48,339 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-20 11:04:48,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2022-11-20 11:04:48,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:48,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:48,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:48,340 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:48,341 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:04:48,341 INFO L748 eck$LassoCheckResult]: Stem: 1262#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1263#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1268#L558 assume !(main_~array_size~0#1 < 1); 1269#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1276#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1277#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1278#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1279#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1287#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1286#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1285#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1260#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 1261#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1272#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1291#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1266#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1267#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1271#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1281#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1290#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 1283#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 1284#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1265#L551-3 [2022-11-20 11:04:48,341 INFO L750 eck$LassoCheckResult]: Loop: 1265#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1270#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1264#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1265#L551-3 [2022-11-20 11:04:48,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:48,342 INFO L85 PathProgramCache]: Analyzing trace with hash -137307676, now seen corresponding path program 2 times [2022-11-20 11:04:48,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:48,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971675552] [2022-11-20 11:04:48,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:48,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:48,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:48,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:48,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:48,378 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 5 times [2022-11-20 11:04:48,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:48,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848486436] [2022-11-20 11:04:48,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:48,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:48,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:48,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:48,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:48,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1724071097, now seen corresponding path program 3 times [2022-11-20 11:04:48,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:48,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297807838] [2022-11-20 11:04:48,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:48,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:48,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:48,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:50,176 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:04:50,176 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:04:50,176 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:04:50,176 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:04:50,176 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:04:50,176 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:50,176 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:04:50,176 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:04:50,177 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration10_Lasso [2022-11-20 11:04:50,177 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:04:50,177 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:04:50,181 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:50,185 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:50,188 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:50,193 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:50,200 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:50,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:50,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:50,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:51,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:51,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:51,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:51,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:51,240 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:51,243 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:51,245 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:51,249 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:51,943 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:04:51,944 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:04:51,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:51,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:51,948 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:51,956 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 [2022-11-20 11:04:51,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 11:04:51,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:51,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:51,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:51,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:51,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:51,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:51,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:51,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:51,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:51,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:51,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:51,994 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:51,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 11:04:51,997 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 [2022-11-20 11:04:52,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:52,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:52,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:52,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:52,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:52,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:52,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:52,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:52,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:52,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:52,057 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:52,062 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 [2022-11-20 11:04:52,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 11:04:52,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:52,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:52,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:52,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:52,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:52,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:52,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:52,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:52,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:52,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:52,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:52,106 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:52,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 11:04:52,112 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 [2022-11-20 11:04:52,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:52,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:52,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:52,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:52,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:52,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:52,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:52,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:52,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:52,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:52,168 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:52,175 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 [2022-11-20 11:04:52,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 11:04:52,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:52,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:52,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:52,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:52,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:52,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:52,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:52,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:52,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:52,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:52,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:52,218 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:52,224 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 [2022-11-20 11:04:52,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 11:04:52,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:52,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:52,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:52,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:52,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:52,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:52,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:52,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:52,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:52,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:52,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:52,271 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:52,276 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 [2022-11-20 11:04:52,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 11:04:52,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:52,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:04:52,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:52,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:52,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:52,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:04:52,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:04:52,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:52,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:52,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:52,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:52,308 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:52,315 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 [2022-11-20 11:04:52,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 11:04:52,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:52,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:52,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:52,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:52,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:52,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:52,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:52,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:52,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:52,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:52,355 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:52,360 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 [2022-11-20 11:04:52,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 11:04:52,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:52,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:52,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:52,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:52,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:52,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:52,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:04:52,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:52,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:52,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:52,419 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:52,423 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 [2022-11-20 11:04:52,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 11:04:52,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:04:52,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:04:52,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:04:52,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:04:52,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:04:52,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:04:52,490 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:04:52,631 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-20 11:04:52,631 INFO L444 ModelExtractionUtils]: 13 out of 40 variables were initially zero. Simplification set additionally 21 variables to zero. [2022-11-20 11:04:52,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:52,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:52,639 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:04:52,647 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:04:52,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 11:04:52,672 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 11:04:52,672 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:04:52,673 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0#1, ULTIMATE.start_sort_~x#1.offset) = -4*ULTIMATE.start_sort_~i~0#1 - 1*ULTIMATE.start_sort_~x#1.offset + 27670116110564327411 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_sort_~x#1.base)_3 + 9223372036854775806*ULTIMATE.start_main_~i~1#1 >= 0] [2022-11-20 11:04:52,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:52,779 INFO L156 tatePredicateManager]: 12 out of 15 supporting invariants were superfluous and have been removed [2022-11-20 11:04:52,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:52,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 11:04:52,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:52,923 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 [2022-11-20 11:04:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:53,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:04:53,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:53,314 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-20 11:04:53,314 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2022-11-20 11:04:53,536 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 64 states and 85 transitions. Complement of second has 13 states. [2022-11-20 11:04:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 11:04:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2022-11-20 11:04:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2022-11-20 11:04:53,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-20 11:04:53,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:53,541 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:04:53,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:53,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 11:04:53,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:53,662 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 [2022-11-20 11:04:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:53,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:04:53,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:54,043 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-20 11:04:54,043 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2022-11-20 11:04:54,236 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 64 states and 85 transitions. Complement of second has 13 states. [2022-11-20 11:04:54,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 11:04:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2022-11-20 11:04:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2022-11-20 11:04:54,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-20 11:04:54,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:54,239 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:04:54,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:54,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 11:04:54,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:54,355 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 [2022-11-20 11:04:54,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:54,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:04:54,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:54,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:54,768 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-20 11:04:54,769 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2022-11-20 11:04:54,982 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 77 states and 104 transitions. Complement of second has 12 states. [2022-11-20 11:04:54,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 11:04:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2022-11-20 11:04:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 40 transitions. [2022-11-20 11:04:54,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-20 11:04:54,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:54,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-20 11:04:54,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:54,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 22 letters. Loop has 6 letters. [2022-11-20 11:04:54,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:04:54,990 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 104 transitions. [2022-11-20 11:04:54,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:54,992 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 39 states and 49 transitions. [2022-11-20 11:04:54,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-20 11:04:54,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-20 11:04:54,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2022-11-20 11:04:54,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:04:54,993 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-11-20 11:04:54,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2022-11-20 11:04:54,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2022-11-20 11:04:54,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.25) internal successors, (45), 35 states have internal predecessors, (45), 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) [2022-11-20 11:04:54,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2022-11-20 11:04:54,997 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-11-20 11:04:54,997 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-11-20 11:04:54,997 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-20 11:04:54,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2022-11-20 11:04:54,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:54,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:54,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:54,999 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:54,999 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:04:54,999 INFO L748 eck$LassoCheckResult]: Stem: 1893#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1894#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1899#L558 assume !(main_~array_size~0#1 < 1); 1900#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1904#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1907#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1908#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1909#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1918#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1917#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1915#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1914#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1913#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1891#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 1892#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1905#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1926#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1897#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1898#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1924#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1922#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1920#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 1919#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 1906#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1896#L551-3 [2022-11-20 11:04:54,999 INFO L750 eck$LassoCheckResult]: Loop: 1896#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1901#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1895#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1896#L551-3 [2022-11-20 11:04:55,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:55,000 INFO L85 PathProgramCache]: Analyzing trace with hash -519847354, now seen corresponding path program 4 times [2022-11-20 11:04:55,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:55,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735719826] [2022-11-20 11:04:55,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:55,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:55,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:04:55,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735719826] [2022-11-20 11:04:55,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735719826] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:04:55,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725360958] [2022-11-20 11:04:55,209 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 11:04:55,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:04:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:04:55,210 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:04:55,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-20 11:04:55,324 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 11:04:55,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:04:55,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 11:04:55,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:55,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:04:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:55,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725360958] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:04:55,670 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:04:55,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2022-11-20 11:04:55,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373961924] [2022-11-20 11:04:55,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:04:55,671 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:04:55,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:55,672 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 6 times [2022-11-20 11:04:55,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:55,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940488798] [2022-11-20 11:04:55,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:55,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:55,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:55,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:55,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:04:55,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 11:04:55,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2022-11-20 11:04:55,822 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. cyclomatic complexity: 12 Second operand has 20 states, 20 states have (on average 2.25) internal successors, (45), 20 states have internal predecessors, (45), 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) [2022-11-20 11:04:56,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:56,137 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2022-11-20 11:04:56,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 75 transitions. [2022-11-20 11:04:56,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:56,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 75 transitions. [2022-11-20 11:04:56,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-20 11:04:56,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-20 11:04:56,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 75 transitions. [2022-11-20 11:04:56,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:04:56,139 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-11-20 11:04:56,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 75 transitions. [2022-11-20 11:04:56,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 43. [2022-11-20 11:04:56,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.255813953488372) internal successors, (54), 42 states have internal predecessors, (54), 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) [2022-11-20 11:04:56,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-11-20 11:04:56,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-11-20 11:04:56,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 11:04:56,146 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-11-20 11:04:56,146 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-20 11:04:56,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 54 transitions. [2022-11-20 11:04:56,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:04:56,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:04:56,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:04:56,150 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:56,150 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:04:56,151 INFO L748 eck$LassoCheckResult]: Stem: 2162#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2163#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 2168#L558 assume !(main_~array_size~0#1 < 1); 2169#L558-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 2172#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2176#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2177#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2178#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2190#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2188#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2185#L562-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2183#L562-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2182#L562-3 assume !(main_~i~1#1 < main_~array_size~0#1); 2160#L562-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 2161#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 2173#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2201#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 2200#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2199#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2198#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2197#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2196#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2192#L552 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 2194#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2191#L551-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 2181#L550-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 2174#L550-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 2165#L551-3 [2022-11-20 11:04:56,151 INFO L750 eck$LassoCheckResult]: Loop: 2165#L551-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2170#L552 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2164#L551-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2165#L551-3 [2022-11-20 11:04:56,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:56,152 INFO L85 PathProgramCache]: Analyzing trace with hash 931747541, now seen corresponding path program 5 times [2022-11-20 11:04:56,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:56,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050142330] [2022-11-20 11:04:56,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:56,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:56,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:56,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:56,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:56,211 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 7 times [2022-11-20 11:04:56,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:56,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904037172] [2022-11-20 11:04:56,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:56,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:56,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:56,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:56,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:56,223 INFO L85 PathProgramCache]: Analyzing trace with hash -682601290, now seen corresponding path program 6 times [2022-11-20 11:04:56,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:04:56,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723424720] [2022-11-20 11:04:56,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:56,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:04:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:56,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:04:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:04:56,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:04:59,681 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:04:59,681 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:04:59,681 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:04:59,681 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:04:59,681 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:04:59,682 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:04:59,682 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:04:59,682 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:04:59,682 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration12_Lasso [2022-11-20 11:04:59,682 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:04:59,682 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:04:59,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:59,695 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:59,698 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:59,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:59,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:59,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:59,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:59,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:04:59,720 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:05:00,692 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:05:00,695 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:05:00,698 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:05:00,701 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:05:00,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:05:00,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:05:00,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:05:01,333 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:05:01,333 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:05:01,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:05:01,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:05:01,335 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:05:01,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 11:05:01,340 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 [2022-11-20 11:05:01,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:05:01,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:05:01,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:05:01,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:05:01,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:05:01,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:05:01,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:05:01,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:05:01,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-20 11:05:01,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:05:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:05:01,358 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:05:01,368 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 [2022-11-20 11:05:01,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 11:05:01,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:05:01,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:05:01,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:05:01,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:05:01,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:05:01,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:05:01,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:05:01,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 11:05:01,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:05:01,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:05:01,422 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:05:01,431 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 [2022-11-20 11:05:01,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 11:05:01,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:05:01,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:05:01,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:05:01,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:05:01,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:05:01,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:05:01,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:05:01,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:05:01,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-20 11:05:01,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:05:01,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:05:01,457 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:05:01,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 11:05:01,459 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 [2022-11-20 11:05:01,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:05:01,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:05:01,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:05:01,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:05:01,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:05:01,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:05:01,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:05:01,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-20 11:05:01,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:05:01,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:05:01,496 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:05:01,501 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 [2022-11-20 11:05:01,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 11:05:01,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:05:01,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:05:01,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:05:01,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:05:01,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:05:01,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:05:01,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:05:01,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:05:01,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-20 11:05:01,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:05:01,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:05:01,523 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:05:01,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 11:05:01,526 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 [2022-11-20 11:05:01,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:05:01,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:05:01,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:05:01,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:05:01,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:05:01,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:05:01,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:05:01,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:05:01,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-20 11:05:01,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:05:01,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:05:01,544 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:05:01,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 11:05:01,547 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 [2022-11-20 11:05:01,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:05:01,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:05:01,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:05:01,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:05:01,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:05:01,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:05:01,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:05:01,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:05:01,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-20 11:05:01,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:05:01,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:05:01,578 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:05:01,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 11:05:01,581 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 [2022-11-20 11:05:01,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:05:01,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:05:01,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:05:01,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:05:01,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:05:01,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:05:01,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:05:01,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:05:01,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-20 11:05:01,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:05:01,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:05:01,600 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:05:01,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 11:05:01,603 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 [2022-11-20 11:05:01,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:05:01,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:05:01,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:05:01,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:05:01,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:05:01,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:05:01,654 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:05:01,863 INFO L443 ModelExtractionUtils]: Simplification made 39 calls to the SMT solver. [2022-11-20 11:05:01,863 INFO L444 ModelExtractionUtils]: 6 out of 43 variables were initially zero. Simplification set additionally 33 variables to zero. [2022-11-20 11:05:01,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:05:01,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:05:01,866 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:05:01,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 11:05:01,869 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:05:01,882 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:05:01,882 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:05:01,882 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0#1, ULTIMATE.start_sort_~n#1, ULTIMATE.start_sort_~pass~0#1) = -1*ULTIMATE.start_sort_~i~0#1 + 1*ULTIMATE.start_sort_~n#1 - 1*ULTIMATE.start_sort_~pass~0#1 Supporting invariants [] [2022-11-20 11:05:01,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 11:05:01,920 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2022-11-20 11:05:01,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:05:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:01,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:05:01,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:02,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:05:02,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:02,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:05:02,054 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 [2022-11-20 11:05:02,054 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-20 11:05:02,083 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 68 states and 90 transitions. Complement of second has 7 states. [2022-11-20 11:05:02,087 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 [2022-11-20 11:05:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-20 11:05:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-20 11:05:02,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-20 11:05:02,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:05:02,088 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:05:02,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:05:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:02,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:05:02,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:02,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:05:02,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:02,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:05:02,225 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 11:05:02,225 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-20 11:05:02,245 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 68 states and 90 transitions. Complement of second has 7 states. [2022-11-20 11:05:02,246 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 [2022-11-20 11:05:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-20 11:05:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-20 11:05:02,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-20 11:05:02,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:05:02,247 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:05:02,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:05:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:02,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:05:02,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:02,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:05:02,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:05:02,380 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 11:05:02,380 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-20 11:05:02,404 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 62 states and 84 transitions. Complement of second has 6 states. [2022-11-20 11:05:02,405 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 [2022-11-20 11:05:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-20 11:05:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2022-11-20 11:05:02,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-20 11:05:02,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:05:02,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 30 letters. Loop has 3 letters. [2022-11-20 11:05:02,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:05:02,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 27 letters. Loop has 6 letters. [2022-11-20 11:05:02,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:05:02,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 84 transitions. [2022-11-20 11:05:02,408 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:05:02,408 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 0 states and 0 transitions. [2022-11-20 11:05:02,408 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 11:05:02,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 11:05:02,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 11:05:02,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:05:02,409 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:05:02,409 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:05:02,409 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:05:02,409 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-20 11:05:02,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:05:02,409 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:05:02,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 11:05:02,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:05:02 BoogieIcfgContainer [2022-11-20 11:05:02,418 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 11:05:02,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:05:02,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:05:02,419 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:05:02,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:04:35" (3/4) ... [2022-11-20 11:05:02,423 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:05:02,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:05:02,424 INFO L158 Benchmark]: Toolchain (without parser) took 27996.49ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 121.4MB in the beginning and 93.9MB in the end (delta: 27.5MB). Peak memory consumption was 143.5MB. Max. memory is 16.1GB. [2022-11-20 11:05:02,424 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:05:02,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.37ms. Allocated memory is still 151.0MB. Free memory was 120.8MB in the beginning and 105.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 11:05:02,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.09ms. Allocated memory is still 151.0MB. Free memory was 105.5MB in the beginning and 103.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:05:02,425 INFO L158 Benchmark]: Boogie Preprocessor took 33.86ms. Allocated memory is still 151.0MB. Free memory was 103.4MB in the beginning and 102.6MB in the end (delta: 871.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:05:02,426 INFO L158 Benchmark]: RCFGBuilder took 523.92ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 90.9MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:05:02,426 INFO L158 Benchmark]: BuchiAutomizer took 26789.07ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 90.9MB in the beginning and 93.9MB in the end (delta: -3.1MB). Peak memory consumption was 112.0MB. Max. memory is 16.1GB. [2022-11-20 11:05:02,426 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 264.2MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:05:02,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.37ms. Allocated memory is still 151.0MB. Free memory was 120.8MB in the beginning and 105.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.09ms. Allocated memory is still 151.0MB. Free memory was 105.5MB in the beginning and 103.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.86ms. Allocated memory is still 151.0MB. Free memory was 103.4MB in the beginning and 102.6MB in the end (delta: 871.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.92ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 90.9MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 26789.07ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 90.9MB in the beginning and 93.9MB in the end (delta: -3.1MB). Peak memory consumption was 112.0MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 264.2MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (7 trivial, 3 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))] and consists of 5 locations. One deterministic module has affine ranking function -1 * pass + n and consists of 3 locations. One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[x] and consists of 6 locations. One nondeterministic module has affine ranking function -1 * x + -4 * i + 27670116110564327411 and consists of 10 locations. One nondeterministic module has affine ranking function -1 * pass + n + -1 * i and consists of 4 locations. 7 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.6s and 13 iterations. TraceHistogramMax:4. Analysis of lassos took 21.7s. Construction of modules took 0.9s. Büchi inclusion checks took 3.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 57 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 520 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 516 mSDsluCounter, 494 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 335 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 856 IncrementalHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 159 mSDtfsCounter, 856 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU4 SILI1 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital301 mio100 ax108 hnf100 lsp89 ukn62 mio100 lsp59 div144 bol100 ite100 ukn100 eq159 hnf92 smp77 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 75ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 11:05:02,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 11:05:02,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2022-11-20 11:05:02,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2022-11-20 11:05:03,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-11-20 11:05:03,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-11-20 11:05:03,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-20 11:05:03,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffad2a0c-b02d-4063-99b4-62571f28b6b4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE