./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 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_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a --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 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd --- 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-b5237d8 [2022-11-21 09:11:19,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:11:19,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:11:19,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:11:19,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:11:19,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:11:19,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:11:19,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:11:19,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:11:19,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:11:19,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:11:19,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:11:19,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:11:19,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:11:19,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:11:19,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:11:19,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:11:19,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:11:19,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:11:19,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:11:19,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:11:19,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:11:19,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:11:19,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:11:19,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:11:19,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:11:19,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:11:19,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:11:19,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:11:19,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:11:19,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:11:19,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:11:19,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:11:19,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:11:19,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:11:19,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:11:19,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:11:19,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:11:19,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:11:19,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:11:19,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:11:19,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-21 09:11:19,297 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:11:19,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:11:19,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:11:19,298 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:11:19,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:11:19,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:11:19,300 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:11:19,301 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 09:11:19,301 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 09:11:19,301 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 09:11:19,301 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 09:11:19,302 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 09:11:19,302 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 09:11:19,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:11:19,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:11:19,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:11:19,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:11:19,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 09:11:19,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 09:11:19,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 09:11:19,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:11:19,304 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 09:11:19,305 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:11:19,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 09:11:19,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:11:19,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:11:19,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:11:19,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:11:19,307 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 09:11:19,307 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_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd [2022-11-21 09:11:19,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:11:19,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:11:19,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:11:19,605 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:11:19,606 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:11:19,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2022-11-21 09:11:22,620 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:11:22,809 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:11:22,810 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2022-11-21 09:11:22,816 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/data/4100c726d/1bd94ea531524f5bb77a8ebe6a040143/FLAGf1becdb3c [2022-11-21 09:11:22,838 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/data/4100c726d/1bd94ea531524f5bb77a8ebe6a040143 [2022-11-21 09:11:22,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:11:22,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:11:22,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:11:22,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:11:22,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:11:22,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:11:22" (1/1) ... [2022-11-21 09:11:22,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49be55ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:22, skipping insertion in model container [2022-11-21 09:11:22,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:11:22" (1/1) ... [2022-11-21 09:11:22,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:11:22,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:11:23,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:11:23,063 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:11:23,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:11:23,086 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:11:23,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23 WrapperNode [2022-11-21 09:11:23,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:11:23,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:11:23,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:11:23,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:11:23,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (1/1) ... [2022-11-21 09:11:23,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (1/1) ... [2022-11-21 09:11:23,117 INFO L138 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-21 09:11:23,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:11:23,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:11:23,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:11:23,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:11:23,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (1/1) ... [2022-11-21 09:11:23,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (1/1) ... [2022-11-21 09:11:23,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (1/1) ... [2022-11-21 09:11:23,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (1/1) ... [2022-11-21 09:11:23,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (1/1) ... [2022-11-21 09:11:23,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (1/1) ... [2022-11-21 09:11:23,139 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (1/1) ... [2022-11-21 09:11:23,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (1/1) ... [2022-11-21 09:11:23,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:11:23,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:11:23,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:11:23,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:11:23,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (1/1) ... [2022-11-21 09:11:23,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:23,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:23,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:23,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 09:11:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:11:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2022-11-21 09:11:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2022-11-21 09:11:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 09:11:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:11:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:11:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 09:11:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:11:23,336 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:11:23,339 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:11:23,507 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:11:23,513 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:11:23,528 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 09:11:23,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:11:23 BoogieIcfgContainer [2022-11-21 09:11:23,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:11:23,531 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 09:11:23,531 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 09:11:23,535 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 09:11:23,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:11:23,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 09:11:22" (1/3) ... [2022-11-21 09:11:23,538 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24cc879e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:11:23, skipping insertion in model container [2022-11-21 09:11:23,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:11:23,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:11:23" (2/3) ... [2022-11-21 09:11:23,538 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24cc879e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:11:23, skipping insertion in model container [2022-11-21 09:11:23,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:11:23,539 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:11:23" (3/3) ... [2022-11-21 09:11:23,540 INFO L332 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex3.i [2022-11-21 09:11:23,675 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 09:11:23,675 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 09:11:23,675 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 09:11:23,675 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 09:11:23,676 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 09:11:23,676 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 09:11:23,676 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 09:11:23,676 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 09:11:23,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:11:23,710 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-21 09:11:23,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:11:23,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:11:23,719 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 09:11:23,720 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:11:23,720 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 09:11:23,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:11:23,723 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-21 09:11:23,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:11:23,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:11:23,725 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 09:11:23,725 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:11:23,735 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 9#L20-2true [2022-11-21 09:11:23,735 INFO L750 eck$LassoCheckResult]: Loop: 9#L20-2true assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 11#L23true call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 10#recENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 8#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 13#recFINALtrue assume true; 12#recEXITtrue >#30#return; 6#L23-1true main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 9#L20-2true [2022-11-21 09:11:23,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:23,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2022-11-21 09:11:23,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:23,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132673205] [2022-11-21 09:11:23,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:23,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:23,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:23,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:23,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:23,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2039113776, now seen corresponding path program 1 times [2022-11-21 09:11:23,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:23,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878957297] [2022-11-21 09:11:23,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:23,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:23,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:24,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:24,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:24,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1009969970, now seen corresponding path program 1 times [2022-11-21 09:11:24,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:24,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095451763] [2022-11-21 09:11:24,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:24,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:24,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:24,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:24,837 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:11:24,838 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:11:24,838 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:11:24,838 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:11:24,838 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:11:24,839 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:24,839 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:11:24,839 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:11:24,839 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration1_Lasso [2022-11-21 09:11:24,839 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:11:24,839 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:11:24,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:24,867 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:24,870 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:24,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:24,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:24,878 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:24,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:24,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:25,118 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:11:25,122 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:11:25,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:25,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:25,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:25,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:25,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:25,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:25,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:25,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:25,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 09:11:25,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:25,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:25,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:25,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-21 09:11:25,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:25,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:25,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:25,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:25,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 09:11:25,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:25,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:25,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:25,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:25,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:25,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:25,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:25,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:25,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:25,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:25,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:25,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:25,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 09:11:25,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:25,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:25,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:25,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:25,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:25,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:25,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:25,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:25,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:25,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:25,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:25,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:25,284 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:25,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:25,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:25,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:25,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:25,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:25,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:25,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:25,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:25,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:25,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 09:11:25,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:25,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:25,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:25,325 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:25,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:25,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 09:11:25,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:25,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:25,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:25,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:25,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:25,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:25,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:25,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:25,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:25,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:25,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:25,370 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:25,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 09:11:25,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:25,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:25,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:25,389 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:11:25,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:25,416 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-21 09:11:25,416 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 09:11:25,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:25,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-21 09:11:25,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:25,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:25,468 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:25,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 09:11:25,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:25,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:25,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:25,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:25,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:25,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:25,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:25,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:25,506 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:11:25,515 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 09:11:25,515 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-21 09:11:25,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:25,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:25,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:25,529 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:11:25,529 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:11:25,529 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:11:25,530 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-21 09:11:25,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 09:11:25,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:25,543 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:11:25,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:25,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:11:25,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:25,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 09:11:25,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:25,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-21 09:11:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:11:25,882 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2022-11-21 09:11:25,885 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:11:26,004 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 63 states and 77 transitions. Complement of second has 22 states. [2022-11-21 09:11:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2022-11-21 09:11:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 09:11:26,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 22 transitions. [2022-11-21 09:11:26,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 2 letters. Loop has 7 letters. [2022-11-21 09:11:26,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:26,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 9 letters. Loop has 7 letters. [2022-11-21 09:11:26,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:26,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 2 letters. Loop has 14 letters. [2022-11-21 09:11:26,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:26,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 77 transitions. [2022-11-21 09:11:26,023 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-21 09:11:26,030 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 35 states and 42 transitions. [2022-11-21 09:11:26,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-11-21 09:11:26,031 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-11-21 09:11:26,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2022-11-21 09:11:26,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:11:26,032 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 42 transitions. [2022-11-21 09:11:26,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2022-11-21 09:11:26,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2022-11-21 09:11:26,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-21 09:11:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-11-21 09:11:26,065 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-21 09:11:26,065 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-21 09:11:26,065 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 09:11:26,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2022-11-21 09:11:26,067 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-21 09:11:26,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:11:26,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:11:26,068 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:11:26,068 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 09:11:26,068 INFO L748 eck$LassoCheckResult]: Stem: 153#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 154#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 175#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 165#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 169#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 183#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 156#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 167#recENTRY [2022-11-21 09:11:26,069 INFO L750 eck$LassoCheckResult]: Loop: 167#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 155#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 157#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 167#recENTRY [2022-11-21 09:11:26,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:26,069 INFO L85 PathProgramCache]: Analyzing trace with hash 557607690, now seen corresponding path program 1 times [2022-11-21 09:11:26,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:26,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524988419] [2022-11-21 09:11:26,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:26,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:26,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:26,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:26,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:26,119 INFO L85 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 1 times [2022-11-21 09:11:26,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:26,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568627342] [2022-11-21 09:11:26,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:26,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:26,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:26,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:26,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:26,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1242807987, now seen corresponding path program 2 times [2022-11-21 09:11:26,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:26,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056441479] [2022-11-21 09:11:26,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:26,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:26,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:26,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:26,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-21 09:11:27,043 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:11:27,043 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:11:27,044 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:11:27,044 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:11:27,044 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:11:27,044 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:27,044 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:11:27,044 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:11:27,044 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration2_Lasso [2022-11-21 09:11:27,045 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:11:27,045 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:11:27,054 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,059 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,062 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,067 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,070 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,072 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,075 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,077 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,086 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,093 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,095 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,101 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:27,528 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:11:27,528 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:11:27,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:27,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:27,530 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:27,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 09:11:27,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:27,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:27,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:27,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:27,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:27,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:27,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:27,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:27,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:27,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:27,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:27,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:27,569 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:27,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:27,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 09:11:27,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:27,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:27,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:27,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:27,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:27,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:27,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:27,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:27,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:27,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:27,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:27,622 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:27,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:27,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 09:11:27,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:27,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:27,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:27,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:27,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:27,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:27,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:27,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:27,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:27,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:27,668 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:27,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:27,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:27,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:27,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:27,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:27,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:27,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:27,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:27,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 09:11:27,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:27,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:27,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:27,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:27,726 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:27,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 09:11:27,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:27,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:27,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:27,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:27,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:27,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:27,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:27,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:27,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:27,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:27,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:27,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:27,785 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:27,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:27,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:27,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:27,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:27,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:27,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:27,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:27,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:27,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 09:11:27,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:27,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:27,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:27,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:27,828 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:27,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:27,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:27,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:27,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:27,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:27,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:27,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:27,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:27,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 09:11:27,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:27,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:27,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:27,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:27,865 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:27,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 09:11:27,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:27,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:27,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:27,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:27,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:27,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:27,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:27,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:27,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:27,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:27,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:27,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:27,909 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:27,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 09:11:27,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:27,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:27,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:27,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:27,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:27,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:27,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:27,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:27,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:27,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:27,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:27,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:27,945 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:27,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-21 09:11:27,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:27,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:27,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:27,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:27,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:27,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:27,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:27,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:28,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,006 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-21 09:11:28,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:28,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:28,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:28,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:28,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,062 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:28,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:28,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:28,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-21 09:11:28,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:28,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,107 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-21 09:11:28,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:28,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:28,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:28,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-21 09:11:28,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,128 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-21 09:11:28,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:28,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:28,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:28,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-21 09:11:28,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,150 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-21 09:11:28,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:28,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:28,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:28,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:28,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,197 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:28,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:28,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:28,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-21 09:11:28,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:28,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,238 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-21 09:11:28,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:28,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:28,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:28,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:28,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,272 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-21 09:11:28,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:28,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:28,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:28,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:28,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,296 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-21 09:11:28,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:28,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:28,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:28,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:28,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,320 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-21 09:11:28,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:28,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:28,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:28,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:28,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,341 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-21 09:11:28,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:28,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:28,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:28,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:28,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,410 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-21 09:11:28,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:28,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:28,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:28,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:28,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:28,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:28,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:28,448 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:11:28,466 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-21 09:11:28,466 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-21 09:11:28,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:28,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:28,471 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:28,475 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:11:28,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-21 09:11:28,508 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 09:11:28,509 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:11:28,509 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_1) = 2*v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_1 + 1 Supporting invariants [] [2022-11-21 09:11:28,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:28,524 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-21 09:11:28,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:28,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 09:11:28,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:28,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 09:11:28,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:28,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2022-11-21 09:11:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:11:28,683 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-21 09:11:28,683 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:11:28,763 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 56 transitions. Complement of second has 17 states. [2022-11-21 09:11:28,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-21 09:11:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:11:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2022-11-21 09:11:28,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-21 09:11:28,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:28,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-21 09:11:28,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:28,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-21 09:11:28,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:28,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 56 transitions. [2022-11-21 09:11:28,769 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-21 09:11:28,770 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 41 states and 50 transitions. [2022-11-21 09:11:28,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-11-21 09:11:28,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-11-21 09:11:28,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 50 transitions. [2022-11-21 09:11:28,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:11:28,771 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 50 transitions. [2022-11-21 09:11:28,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 50 transitions. [2022-11-21 09:11:28,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2022-11-21 09:11:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 6 states have call successors, (6), 5 states have call predecessors, (6), 6 states have return successors, (8), 5 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-21 09:11:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2022-11-21 09:11:28,777 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-21 09:11:28,777 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-21 09:11:28,777 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 09:11:28,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2022-11-21 09:11:28,778 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-21 09:11:28,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:11:28,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:11:28,779 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:11:28,779 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:11:28,780 INFO L748 eck$LassoCheckResult]: Stem: 303#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 304#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 326#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 314#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 320#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 333#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 306#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 317#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 305#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 307#recFINAL assume true; 327#recEXIT >#28#return; 339#L15-1 #res := #t~ret5;havoc #t~ret5; 338#recFINAL assume true; 337#recEXIT >#30#return; 325#L23-1 [2022-11-21 09:11:28,780 INFO L750 eck$LassoCheckResult]: Loop: 325#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 310#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 311#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 334#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 335#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 336#recFINAL assume true; 330#recEXIT >#30#return; 325#L23-1 [2022-11-21 09:11:28,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:28,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1969157627, now seen corresponding path program 1 times [2022-11-21 09:11:28,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:28,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232384080] [2022-11-21 09:11:28,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:28,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:28,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:28,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:28,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:28,815 INFO L85 PathProgramCache]: Analyzing trace with hash -523709736, now seen corresponding path program 2 times [2022-11-21 09:11:28,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:28,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742429052] [2022-11-21 09:11:28,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:28,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:28,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:28,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:28,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:28,837 INFO L85 PathProgramCache]: Analyzing trace with hash 931270558, now seen corresponding path program 1 times [2022-11-21 09:11:28,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:28,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823346611] [2022-11-21 09:11:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:28,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:28,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:29,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:30,065 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:11:30,065 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:11:30,065 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:11:30,065 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:11:30,065 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:11:30,065 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:30,065 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:11:30,065 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:11:30,065 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration3_Lasso [2022-11-21 09:11:30,065 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:11:30,065 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:11:30,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:30,225 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:30,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:30,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:30,232 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:30,234 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:30,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:30,432 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:11:30,433 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:11:30,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:30,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:30,436 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:30,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:30,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-21 09:11:30,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:30,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:30,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:30,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:30,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:30,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:30,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:30,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:30,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:30,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:30,484 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:30,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:30,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:30,500 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-21 09:11:30,500 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:11:30,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:30,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-21 09:11:30,507 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-21 09:11:30,507 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 09:11:30,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:30,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:30,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:30,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:30,545 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:30,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:30,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:30,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:30,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:30,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:30,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-21 09:11:30,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:30,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:30,581 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:11:30,600 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-21 09:11:30,600 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-21 09:11:30,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:30,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:30,602 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:30,609 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:11:30,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-21 09:11:30,630 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 09:11:30,630 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:11:30,631 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~ret9#1) = 1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_#t~ret9#1 Supporting invariants [] [2022-11-21 09:11:30,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:30,638 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-21 09:11:30,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:30,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 09:11:30,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:30,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 09:11:30,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:30,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-21 09:11:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:11:30,952 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2022-11-21 09:11:30,952 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11 Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 09:11:31,066 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Result 130 states and 152 transitions. Complement of second has 21 states. [2022-11-21 09:11:31,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-21 09:11:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 09:11:31,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2022-11-21 09:11:31,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 14 letters. Loop has 7 letters. [2022-11-21 09:11:31,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:31,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2022-11-21 09:11:31,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:31,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 14 letters. Loop has 14 letters. [2022-11-21 09:11:31,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:31,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 152 transitions. [2022-11-21 09:11:31,074 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-21 09:11:31,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 90 states and 105 transitions. [2022-11-21 09:11:31,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2022-11-21 09:11:31,077 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2022-11-21 09:11:31,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 105 transitions. [2022-11-21 09:11:31,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:11:31,077 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 105 transitions. [2022-11-21 09:11:31,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 105 transitions. [2022-11-21 09:11:31,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 82. [2022-11-21 09:11:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 59 states have internal predecessors, (66), 13 states have call successors, (13), 11 states have call predecessors, (13), 13 states have return successors, (17), 11 states have call predecessors, (17), 13 states have call successors, (17) [2022-11-21 09:11:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2022-11-21 09:11:31,085 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 96 transitions. [2022-11-21 09:11:31,086 INFO L428 stractBuchiCegarLoop]: Abstraction has 82 states and 96 transitions. [2022-11-21 09:11:31,086 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-21 09:11:31,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 96 transitions. [2022-11-21 09:11:31,087 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-21 09:11:31,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:11:31,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:11:31,088 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:11:31,088 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 09:11:31,089 INFO L748 eck$LassoCheckResult]: Stem: 586#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 587#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 617#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 627#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 628#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 633#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 623#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 632#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 641#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 642#recFINAL assume true; 631#recEXIT >#28#return; 630#L15-1 #res := #t~ret5;havoc #t~ret5; 629#recFINAL assume true; 626#recEXIT >#30#return; 625#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 616#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 605#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 606#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 661#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 602#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 600#recENTRY [2022-11-21 09:11:31,089 INFO L750 eck$LassoCheckResult]: Loop: 600#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 603#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 601#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 600#recENTRY [2022-11-21 09:11:31,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:31,089 INFO L85 PathProgramCache]: Analyzing trace with hash -801242957, now seen corresponding path program 2 times [2022-11-21 09:11:31,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:31,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755254720] [2022-11-21 09:11:31,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:31,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:31,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:31,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:31,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:31,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:31,180 INFO L85 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 2 times [2022-11-21 09:11:31,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:31,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242039404] [2022-11-21 09:11:31,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:31,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:31,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:31,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:31,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:31,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1599299332, now seen corresponding path program 3 times [2022-11-21 09:11:31,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:31,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912947339] [2022-11-21 09:11:31,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:31,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:31,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:31,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:32,942 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:11:32,942 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:11:32,943 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:11:32,943 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:11:32,943 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:11:32,943 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:32,943 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:11:32,943 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:11:32,943 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration4_Lasso [2022-11-21 09:11:32,943 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:11:32,943 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:11:32,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,950 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,962 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,970 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,974 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,980 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,983 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:32,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:33,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:33,187 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:33,189 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:33,190 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:33,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:33,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:33,196 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:33,510 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:11:33,510 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:11:33,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,514 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-21 09:11:33,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:33,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,565 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-21 09:11:33,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:33,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,614 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-21 09:11:33,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:33,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:33,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:33,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,647 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-21 09:11:33,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:33,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,669 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-21 09:11:33,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:33,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,687 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-21 09:11:33,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-21 09:11:33,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,706 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-21 09:11:33,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-21 09:11:33,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,725 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-21 09:11:33,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:33,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,745 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-21 09:11:33,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-21 09:11:33,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,770 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-21 09:11:33,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:33,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,791 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-21 09:11:33,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-21 09:11:33,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,812 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-21 09:11:33,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-21 09:11:33,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,830 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-21 09:11:33,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:33,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,848 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-21 09:11:33,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:33,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:33,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:33,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:33,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,867 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-21 09:11:33,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:33,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:33,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-11-21 09:11:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,895 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-21 09:11:33,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:33,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:33,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:33,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,916 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-21 09:11:33,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:33,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:33,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-11-21 09:11:33,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,941 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-21 09:11:33,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:33,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:33,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:33,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-21 09:11:33,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,961 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-21 09:11:33,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:33,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:33,976 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2022-11-21 09:11:33,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:33,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:33,980 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-21 09:11:33,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:33,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:33,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-21 09:11:33,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:33,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:33,992 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:33,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-21 09:11:33,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:34,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:34,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:34,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:34,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:34,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:34,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:34,022 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:11:34,029 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-21 09:11:34,029 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-21 09:11:34,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:34,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:34,030 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:34,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-21 09:11:34,033 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:11:34,045 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 09:11:34,045 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:11:34,045 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_2) = 2*v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_2 + 1 Supporting invariants [] [2022-11-21 09:11:34,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-21 09:11:34,053 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-21 09:11:34,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:34,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 09:11:34,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:34,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:34,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 09:11:34,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:34,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2022-11-21 09:11:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:11:34,374 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-21 09:11:34,375 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:11:34,489 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 106 states and 124 transitions. Complement of second has 17 states. [2022-11-21 09:11:34,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-21 09:11:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:11:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2022-11-21 09:11:34,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 20 letters. Loop has 3 letters. [2022-11-21 09:11:34,492 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:34,492 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 09:11:34,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:34,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 09:11:34,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:34,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 09:11:34,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:34,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2022-11-21 09:11:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:11:34,750 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-21 09:11:34,750 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:11:34,852 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 106 states and 124 transitions. Complement of second has 17 states. [2022-11-21 09:11:34,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-21 09:11:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:11:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2022-11-21 09:11:34,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 20 letters. Loop has 3 letters. [2022-11-21 09:11:34,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:34,857 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 09:11:34,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:34,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 09:11:34,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:35,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 09:11:35,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:35,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2022-11-21 09:11:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:11:35,117 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-21 09:11:35,118 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:11:35,215 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 154 states and 179 transitions. Complement of second has 19 states. [2022-11-21 09:11:35,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-21 09:11:35,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:11:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2022-11-21 09:11:35,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 20 letters. Loop has 3 letters. [2022-11-21 09:11:35,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:35,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 23 letters. Loop has 3 letters. [2022-11-21 09:11:35,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:35,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 20 letters. Loop has 6 letters. [2022-11-21 09:11:35,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:35,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 179 transitions. [2022-11-21 09:11:35,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 09:11:35,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 110 states and 135 transitions. [2022-11-21 09:11:35,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2022-11-21 09:11:35,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 76 [2022-11-21 09:11:35,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 135 transitions. [2022-11-21 09:11:35,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:11:35,226 INFO L218 hiAutomatonCegarLoop]: Abstraction has 110 states and 135 transitions. [2022-11-21 09:11:35,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states and 135 transitions. [2022-11-21 09:11:35,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 74. [2022-11-21 09:11:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.196078431372549) internal successors, (61), 54 states have internal predecessors, (61), 10 states have call successors, (10), 10 states have call predecessors, (10), 13 states have return successors, (16), 9 states have call predecessors, (16), 10 states have call successors, (16) [2022-11-21 09:11:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2022-11-21 09:11:35,234 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 87 transitions. [2022-11-21 09:11:35,235 INFO L428 stractBuchiCegarLoop]: Abstraction has 74 states and 87 transitions. [2022-11-21 09:11:35,235 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-21 09:11:35,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 87 transitions. [2022-11-21 09:11:35,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 09:11:35,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:11:35,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:11:35,237 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:11:35,237 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:11:35,237 INFO L748 eck$LassoCheckResult]: Stem: 1337#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1338#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1359#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1347#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1354#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1378#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1363#recFINAL assume true; 1357#recEXIT >#30#return; 1358#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 1344#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1345#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1353#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1387#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 1343#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 1350#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1351#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1410#recFINAL assume true; 1355#recEXIT >#28#return; 1356#L15-1 #res := #t~ret5;havoc #t~ret5; 1388#recFINAL assume true; 1386#recEXIT >#30#return; 1360#L23-1 [2022-11-21 09:11:35,237 INFO L750 eck$LassoCheckResult]: Loop: 1360#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 1361#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1390#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1393#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1389#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1391#recFINAL assume true; 1394#recEXIT >#30#return; 1360#L23-1 [2022-11-21 09:11:35,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:35,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1572162950, now seen corresponding path program 4 times [2022-11-21 09:11:35,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:35,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763986928] [2022-11-21 09:11:35,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:35,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:35,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:35,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:35,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:35,292 INFO L85 PathProgramCache]: Analyzing trace with hash -523709736, now seen corresponding path program 3 times [2022-11-21 09:11:35,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:35,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970224506] [2022-11-21 09:11:35,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:35,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:35,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:35,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:35,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:35,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1341076915, now seen corresponding path program 5 times [2022-11-21 09:11:35,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:35,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738240206] [2022-11-21 09:11:35,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:35,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:35,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:35,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:37,004 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:11:37,004 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:11:37,004 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:11:37,005 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:11:37,005 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:11:37,005 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:37,005 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:11:37,005 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:11:37,005 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration5_Lasso [2022-11-21 09:11:37,005 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:11:37,005 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:11:37,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:37,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:37,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:37,019 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:37,021 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:37,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:37,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:37,464 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:11:37,464 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:11:37,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:37,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:37,466 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:37,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-21 09:11:37,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:37,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:37,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:37,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:37,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:37,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:37,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:37,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:37,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:37,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:37,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:37,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:37,485 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:37,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-21 09:11:37,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:37,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:37,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:37,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:37,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:37,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:37,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:37,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:37,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-21 09:11:37,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:37,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:37,506 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:37,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-21 09:11:37,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:37,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:37,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:37,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:37,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:37,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:37,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:37,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:37,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:37,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:37,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:37,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:37,525 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:37,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-21 09:11:37,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:37,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:37,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:37,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:37,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:37,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:37,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:37,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:37,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:37,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:37,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:37,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:37,543 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:37,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-21 09:11:37,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:37,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:37,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:37,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:37,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:37,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:37,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:37,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:37,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:37,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-21 09:11:37,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:37,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:37,566 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:37,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-21 09:11:37,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:37,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:37,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:37,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:37,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:37,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:37,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:37,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:37,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-21 09:11:37,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:37,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:37,586 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:37,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-21 09:11:37,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:37,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:37,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:37,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:37,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:37,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:37,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:37,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:37,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:37,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:37,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:37,609 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:37,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-21 09:11:37,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:37,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:37,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:37,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:37,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:37,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:37,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:37,641 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:11:37,653 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-21 09:11:37,653 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-21 09:11:37,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:37,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:37,656 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:37,661 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:11:37,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-21 09:11:37,672 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 09:11:37,672 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:11:37,672 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~ret9#1) = 1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_#t~ret9#1 Supporting invariants [] [2022-11-21 09:11:37,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-11-21 09:11:37,677 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-21 09:11:37,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:37,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 09:11:37,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:37,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 09:11:37,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:37,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-21 09:11:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:11:37,976 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2022-11-21 09:11:37,977 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 09:11:38,071 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 118 states and 139 transitions. Complement of second has 21 states. [2022-11-21 09:11:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-21 09:11:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 09:11:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2022-11-21 09:11:38,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2022-11-21 09:11:38,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:38,074 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 09:11:38,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:38,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 09:11:38,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:38,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 09:11:38,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:38,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-21 09:11:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:11:38,387 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 6 loop predicates [2022-11-21 09:11:38,388 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 09:11:38,483 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 118 states and 139 transitions. Complement of second has 21 states. [2022-11-21 09:11:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-21 09:11:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 09:11:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2022-11-21 09:11:38,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2022-11-21 09:11:38,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:38,486 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 09:11:38,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:38,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 09:11:38,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:38,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:38,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 09:11:38,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:38,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-21 09:11:38,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:11:38,825 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2022-11-21 09:11:38,826 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 09:11:38,918 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 143 states and 169 transitions. Complement of second has 22 states. [2022-11-21 09:11:38,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-21 09:11:38,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 09:11:38,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 28 transitions. [2022-11-21 09:11:38,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 21 letters. Loop has 7 letters. [2022-11-21 09:11:38,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:38,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 28 letters. Loop has 7 letters. [2022-11-21 09:11:38,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:38,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 21 letters. Loop has 14 letters. [2022-11-21 09:11:38,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:38,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 143 states and 169 transitions. [2022-11-21 09:11:38,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-21 09:11:38,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 143 states to 94 states and 109 transitions. [2022-11-21 09:11:38,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2022-11-21 09:11:38,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2022-11-21 09:11:38,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 109 transitions. [2022-11-21 09:11:38,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:11:38,933 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 109 transitions. [2022-11-21 09:11:38,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 109 transitions. [2022-11-21 09:11:38,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 32. [2022-11-21 09:11:38,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-21 09:11:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-11-21 09:11:38,938 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-21 09:11:38,938 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-21 09:11:38,938 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-21 09:11:38,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2022-11-21 09:11:38,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-21 09:11:38,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:11:38,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:11:38,939 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-21 09:11:38,939 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:11:38,940 INFO L748 eck$LassoCheckResult]: Stem: 2158#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 2180#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 2170#L23 [2022-11-21 09:11:38,940 INFO L750 eck$LassoCheckResult]: Loop: 2170#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 2175#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 2184#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 2161#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 2172#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 2160#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 2162#recFINAL assume true; 2181#recEXIT >#28#return; 2186#L15-1 #res := #t~ret5;havoc #t~ret5; 2185#recFINAL assume true; 2183#recEXIT >#30#return; 2179#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1; 2169#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 2170#L23 [2022-11-21 09:11:38,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:38,940 INFO L85 PathProgramCache]: Analyzing trace with hash 37808, now seen corresponding path program 1 times [2022-11-21 09:11:38,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:38,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430491813] [2022-11-21 09:11:38,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:38,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:38,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:38,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:38,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:38,965 INFO L85 PathProgramCache]: Analyzing trace with hash -669629144, now seen corresponding path program 1 times [2022-11-21 09:11:38,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:38,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100392148] [2022-11-21 09:11:38,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:38,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:38,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:38,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:38,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:38,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1720097319, now seen corresponding path program 6 times [2022-11-21 09:11:38,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:11:38,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267067419] [2022-11-21 09:11:38,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:11:38,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:11:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:38,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:11:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:11:39,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:11:39,785 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:11:39,785 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:11:39,785 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:11:39,785 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:11:39,785 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:11:39,785 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:39,785 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:11:39,785 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:11:39,786 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration6_Lasso [2022-11-21 09:11:39,786 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:11:39,786 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:11:39,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:39,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:39,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:39,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:39,796 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:39,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:39,919 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:39,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:11:40,085 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:11:40,085 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:11:40,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:40,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:40,086 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:40,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-21 09:11:40,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:40,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:40,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:40,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:40,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:40,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:40,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:40,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:40,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-11-21 09:11:40,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:40,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:40,107 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:40,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-21 09:11:40,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:40,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:40,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:40,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:40,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:40,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:40,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:40,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:40,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:40,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:40,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:40,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:40,124 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:40,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-21 09:11:40,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:40,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:40,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:40,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:40,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:40,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:40,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:40,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:40,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:40,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:40,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:40,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:40,144 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:40,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-21 09:11:40,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:40,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:40,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:11:40,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:40,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:40,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:40,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:11:40,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:11:40,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:40,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:40,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:40,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:40,162 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:40,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-21 09:11:40,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:40,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:40,180 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-21 09:11:40,180 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 09:11:40,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:40,189 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-21 09:11:40,189 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 09:11:40,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:40,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:40,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:40,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:40,211 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:40,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-21 09:11:40,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:40,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:40,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:40,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:40,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:40,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:40,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:40,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:11:40,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-21 09:11:40,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:40,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:40,234 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:40,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-21 09:11:40,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:11:40,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:11:40,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:11:40,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:11:40,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:11:40,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:11:40,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:11:40,261 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:11:40,269 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-21 09:11:40,269 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-21 09:11:40,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:11:40,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:11:40,270 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:11:40,272 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:11:40,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-21 09:11:40,284 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 09:11:40,284 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:11:40,284 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-21 09:11:40,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-11-21 09:11:40,289 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-21 09:11:40,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:11:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:40,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:11:40,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:11:40,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-21 09:11:40,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:11:40,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-21 09:11:40,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-21 09:11:40,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 09:11:40,500 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2022-11-21 09:11:40,500 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8 Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:11:40,563 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 69 states and 86 transitions. Complement of second has 22 states. [2022-11-21 09:11:40,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2022-11-21 09:11:40,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 09:11:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 14 transitions. [2022-11-21 09:11:40,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 3 letters. Loop has 13 letters. [2022-11-21 09:11:40,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:40,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 16 letters. Loop has 13 letters. [2022-11-21 09:11:40,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:40,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 3 letters. Loop has 26 letters. [2022-11-21 09:11:40,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:11:40,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 86 transitions. [2022-11-21 09:11:40,570 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 09:11:40,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 0 states and 0 transitions. [2022-11-21 09:11:40,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-21 09:11:40,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-21 09:11:40,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-21 09:11:40,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:11:40,570 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 09:11:40,570 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 09:11:40,570 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 09:11:40,570 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-21 09:11:40,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-21 09:11:40,571 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 09:11:40,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 09:11:40,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 09:11:40 BoogieIcfgContainer [2022-11-21 09:11:40,577 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 09:11:40,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:11:40,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:11:40,578 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:11:40,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:11:23" (3/4) ... [2022-11-21 09:11:40,581 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 09:11:40,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:11:40,582 INFO L158 Benchmark]: Toolchain (without parser) took 17737.43ms. Allocated memory was 157.3MB in the beginning and 237.0MB in the end (delta: 79.7MB). Free memory was 116.4MB in the beginning and 186.8MB in the end (delta: -70.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-11-21 09:11:40,582 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 157.3MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:11:40,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.25ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 106.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 09:11:40,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.65ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 105.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:11:40,583 INFO L158 Benchmark]: Boogie Preprocessor took 23.26ms. Allocated memory is still 157.3MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:11:40,584 INFO L158 Benchmark]: RCFGBuilder took 388.09ms. Allocated memory is still 157.3MB. Free memory was 104.1MB in the beginning and 93.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 09:11:40,584 INFO L158 Benchmark]: BuchiAutomizer took 17046.41ms. Allocated memory was 157.3MB in the beginning and 237.0MB in the end (delta: 79.7MB). Free memory was 93.9MB in the beginning and 186.8MB in the end (delta: -92.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:11:40,584 INFO L158 Benchmark]: Witness Printer took 3.68ms. Allocated memory is still 237.0MB. Free memory is still 186.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:11:40,586 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 157.3MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.25ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 106.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.65ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 105.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.26ms. Allocated memory is still 157.3MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.09ms. Allocated memory is still 157.3MB. Free memory was 104.1MB in the beginning and 93.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 17046.41ms. Allocated memory was 157.3MB in the beginning and 237.0MB in the end (delta: 79.7MB). Free memory was 93.9MB in the beginning and 186.8MB in the end (delta: -92.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.68ms. Allocated memory is still 237.0MB. Free memory is still 186.8MB. 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 6 terminating modules (0 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function i and consists of 9 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. One deterministic module has affine ranking function aux-rec(op)-aux + i and consists of 8 locations. One deterministic module has affine ranking function i and consists of 8 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 6 locations. One nondeterministic module has affine ranking function aux-rec(op)-aux + i and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.9s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 12.8s. Construction of modules took 0.4s. Büchi inclusion checks took 3.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 111 StatesRemovedByMinimization, 5 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 [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 242 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 388 IncrementalHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 127 mSDtfsCounter, 388 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital168 mio100 ax100 hnf100 lsp95 ukn56 mio100 lsp33 div100 bol100 ite100 ukn100 eq165 hnf92 smp99 dnf125 smp91 tf101 neg93 sie125 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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! [2022-11-21 09:11:40,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d934c3-b3a2-42f3-9d90-f94bc66adafe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE