./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8 --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 041376d57652038a5d4ee57a004231861ab6efac51c30f8b6c72783e60a27529 --- 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-e04fb08 [2022-11-16 12:24:02,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:24:02,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:24:02,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:24:02,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:24:02,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:24:02,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:24:02,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:24:02,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:24:02,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:24:02,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:24:02,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:24:02,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:24:02,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:24:02,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:24:02,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:24:02,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:24:02,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:24:02,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:24:02,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:24:02,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:24:02,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:24:02,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:24:02,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:24:02,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:24:02,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:24:02,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:24:02,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:24:02,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:24:02,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:24:02,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:24:02,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:24:02,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:24:02,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:24:02,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:24:02,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:24:02,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:24:02,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:24:02,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:24:02,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:24:02,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:24:02,647 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 12:24:02,669 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:24:02,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:24:02,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:24:02,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:24:02,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:24:02,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:24:02,672 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:24:02,672 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:24:02,672 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:24:02,672 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:24:02,672 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:24:02,673 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:24:02,673 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:24:02,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:24:02,673 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:24:02,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:24:02,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:24:02,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:24:02,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:24:02,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:24:02,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:24:02,675 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:24:02,675 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:24:02,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:24:02,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:24:02,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:24:02,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:24:02,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:24:02,677 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:24:02,677 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_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 041376d57652038a5d4ee57a004231861ab6efac51c30f8b6c72783e60a27529 [2022-11-16 12:24:02,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:24:02,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:24:02,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:24:02,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:24:02,994 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:24:02,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i [2022-11-16 12:24:03,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/data/531b0b945/7d6b21a66de94a64bab1ccf2a3414488/FLAG8afe1dde6 [2022-11-16 12:24:03,671 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:24:03,671 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i [2022-11-16 12:24:03,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/data/531b0b945/7d6b21a66de94a64bab1ccf2a3414488/FLAG8afe1dde6 [2022-11-16 12:24:03,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/data/531b0b945/7d6b21a66de94a64bab1ccf2a3414488 [2022-11-16 12:24:03,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:24:03,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:24:03,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:24:03,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:24:03,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:24:03,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:24:03" (1/1) ... [2022-11-16 12:24:03,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdd96fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:03, skipping insertion in model container [2022-11-16 12:24:03,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:24:03" (1/1) ... [2022-11-16 12:24:03,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:24:04,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:24:04,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:24:04,428 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:24:04,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:24:04,502 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:24:04,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04 WrapperNode [2022-11-16 12:24:04,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:24:04,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:24:04,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:24:04,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:24:04,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,561 INFO L138 Inliner]: procedures = 110, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-11-16 12:24:04,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:24:04,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:24:04,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:24:04,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:24:04,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:24:04,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:24:04,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:24:04,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:24:04,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:04,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:04,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:04,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:24:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:24:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:24:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:24:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:24:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:24:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:24:04,853 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:24:04,855 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:24:05,059 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:24:05,065 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:24:05,065 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:24:05,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:05 BoogieIcfgContainer [2022-11-16 12:24:05,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:24:05,068 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:24:05,068 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:24:05,072 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:24:05,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:24:05,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:24:03" (1/3) ... [2022-11-16 12:24:05,075 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@508f9be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:24:05, skipping insertion in model container [2022-11-16 12:24:05,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:24:05,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04" (2/3) ... [2022-11-16 12:24:05,076 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@508f9be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:24:05, skipping insertion in model container [2022-11-16 12:24:05,076 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:24:05,076 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:05" (3/3) ... [2022-11-16 12:24:05,078 INFO L332 chiAutomizerObserver]: Analyzing ICFG Urban-2013WST-Fig2-alloca-2.i [2022-11-16 12:24:05,132 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:24:05,133 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:24:05,133 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:24:05,133 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:24:05,134 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:24:05,134 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:24:05,134 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:24:05,134 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:24:05,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:05,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-16 12:24:05,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:05,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:05,179 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:24:05,180 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:24:05,180 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:24:05,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:05,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-16 12:24:05,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:05,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:05,185 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:24:05,185 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 12:24:05,194 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; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem6#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1; 4#L552-3true [2022-11-16 12:24:05,196 INFO L750 eck$LassoCheckResult]: Loop: 4#L552-3true call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 11#L552-1true assume !!(main_#t~mem6#1 <= 10);havoc main_#t~mem6#1;call write~int(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 7#L554-3true assume !true; 10#L554-4true call main_#t~mem9#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1; 4#L552-3true [2022-11-16 12:24:05,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:05,208 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 12:24:05,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:05,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396055832] [2022-11-16 12:24:05,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:05,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:05,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:05,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:05,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:05,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1144360, now seen corresponding path program 1 times [2022-11-16 12:24:05,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:05,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2936059] [2022-11-16 12:24:05,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:05,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:05,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:05,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2936059] [2022-11-16 12:24:05,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2936059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:05,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:05,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:24:05,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869870071] [2022-11-16 12:24:05,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:05,567 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:24:05,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:05,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:24:05,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:24:05,610 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:05,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:24:05,617 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2022-11-16 12:24:05,618 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2022-11-16 12:24:05,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-16 12:24:05,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 8 transitions. [2022-11-16 12:24:05,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-16 12:24:05,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-16 12:24:05,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2022-11-16 12:24:05,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:05,628 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-16 12:24:05,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2022-11-16 12:24:05,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-16 12:24:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2022-11-16 12:24:05,655 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-16 12:24:05,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:24:05,661 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-16 12:24:05,661 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:24:05,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2022-11-16 12:24:05,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-16 12:24:05,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:05,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:05,663 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:24:05,663 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-16 12:24:05,664 INFO L748 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 31#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem6#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1; 32#L552-3 [2022-11-16 12:24:05,664 INFO L750 eck$LassoCheckResult]: Loop: 32#L552-3 call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 33#L552-1 assume !!(main_#t~mem6#1 <= 10);havoc main_#t~mem6#1;call write~int(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 34#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 35#L554-1 assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1; 36#L554-4 call main_#t~mem9#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1; 32#L552-3 [2022-11-16 12:24:05,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:05,667 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-16 12:24:05,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:05,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519856034] [2022-11-16 12:24:05,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:05,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:05,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:05,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:05,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:05,740 INFO L85 PathProgramCache]: Analyzing trace with hash 35468273, now seen corresponding path program 1 times [2022-11-16 12:24:05,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:05,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051329432] [2022-11-16 12:24:05,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:05,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:05,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:05,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:05,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051329432] [2022-11-16 12:24:05,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051329432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:05,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:05,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:24:05,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444255451] [2022-11-16 12:24:05,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:05,944 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:24:05,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:05,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:24:05,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:24:05,945 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:05,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:24:05,984 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2022-11-16 12:24:05,984 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-11-16 12:24:05,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-16 12:24:05,985 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2022-11-16 12:24:05,985 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-16 12:24:05,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-16 12:24:05,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2022-11-16 12:24:05,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:05,986 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-11-16 12:24:05,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2022-11-16 12:24:05,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-16 12:24:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2022-11-16 12:24:05,988 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-11-16 12:24:05,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:24:05,990 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-11-16 12:24:05,990 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:24:05,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2022-11-16 12:24:05,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-16 12:24:05,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:05,991 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:05,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:24:05,992 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2022-11-16 12:24:05,992 INFO L748 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 56#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem6#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1; 57#L552-3 [2022-11-16 12:24:05,992 INFO L750 eck$LassoCheckResult]: Loop: 57#L552-3 call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 58#L552-1 assume !!(main_#t~mem6#1 <= 10);havoc main_#t~mem6#1;call write~int(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 59#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 60#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 61#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 63#L554-1 assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1; 62#L554-4 call main_#t~mem9#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1; 57#L552-3 [2022-11-16 12:24:05,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:05,993 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2022-11-16 12:24:05,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:05,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459965945] [2022-11-16 12:24:05,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:05,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:06,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:06,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:06,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:06,040 INFO L85 PathProgramCache]: Analyzing trace with hash -274676436, now seen corresponding path program 1 times [2022-11-16 12:24:06,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:06,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137000083] [2022-11-16 12:24:06,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:06,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:06,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:06,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:06,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137000083] [2022-11-16 12:24:06,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137000083] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:24:06,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623518881] [2022-11-16 12:24:06,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:06,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:24:06,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:06,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:24:06,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:24:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:06,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:24:06,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:06,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 12:24:06,541 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 28 treesize of output 16 [2022-11-16 12:24:06,554 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 15 treesize of output 7 [2022-11-16 12:24:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:06,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:24:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:06,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623518881] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:24:06,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:24:06,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-11-16 12:24:06,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387455652] [2022-11-16 12:24:06,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:24:06,609 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:24:06,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:06,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:24:06,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:24:06,610 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:06,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:24:06,697 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2022-11-16 12:24:06,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 16 transitions. [2022-11-16 12:24:06,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-16 12:24:06,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 16 transitions. [2022-11-16 12:24:06,699 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-16 12:24:06,699 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-16 12:24:06,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 16 transitions. [2022-11-16 12:24:06,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:06,700 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-16 12:24:06,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 16 transitions. [2022-11-16 12:24:06,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-16 12:24:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-16 12:24:06,702 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-16 12:24:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:24:06,703 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-16 12:24:06,703 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:24:06,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 16 transitions. [2022-11-16 12:24:06,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-16 12:24:06,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:06,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:06,705 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:24:06,705 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [5, 4, 1, 1, 1, 1] [2022-11-16 12:24:06,705 INFO L748 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 135#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem6#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1; 136#L552-3 [2022-11-16 12:24:06,705 INFO L750 eck$LassoCheckResult]: Loop: 136#L552-3 call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 137#L552-1 assume !!(main_#t~mem6#1 <= 10);havoc main_#t~mem6#1;call write~int(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 142#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 140#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 138#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 139#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 148#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 147#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 146#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 145#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 144#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 143#L554-1 assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1; 141#L554-4 call main_#t~mem9#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1; 136#L552-3 [2022-11-16 12:24:06,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:06,706 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2022-11-16 12:24:06,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:06,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946477544] [2022-11-16 12:24:06,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:06,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:06,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:06,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:06,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:06,729 INFO L85 PathProgramCache]: Analyzing trace with hash 351922269, now seen corresponding path program 2 times [2022-11-16 12:24:06,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:06,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48743076] [2022-11-16 12:24:06,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:06,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:07,386 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:07,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:07,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48743076] [2022-11-16 12:24:07,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48743076] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:24:07,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551629752] [2022-11-16 12:24:07,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:24:07,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:24:07,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:07,399 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:24:07,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:24:07,497 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:24:07,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:24:07,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-16 12:24:07,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:07,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 12:24:07,546 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 28 treesize of output 16 [2022-11-16 12:24:07,564 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 28 treesize of output 16 [2022-11-16 12:24:07,581 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 28 treesize of output 16 [2022-11-16 12:24:07,598 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 28 treesize of output 16 [2022-11-16 12:24:07,608 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 15 treesize of output 7 [2022-11-16 12:24:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:07,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:24:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:07,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551629752] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:24:07,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:24:07,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 18 [2022-11-16 12:24:07,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781433933] [2022-11-16 12:24:07,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:24:07,750 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:24:07,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:07,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 12:24:07,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=182, Unknown=0, NotChecked=0, Total=306 [2022-11-16 12:24:07,752 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. cyclomatic complexity: 2 Second operand has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:07,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:24:07,897 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-16 12:24:07,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 26 transitions. [2022-11-16 12:24:07,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 23 [2022-11-16 12:24:07,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 26 transitions. [2022-11-16 12:24:07,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2022-11-16 12:24:07,899 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-11-16 12:24:07,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 26 transitions. [2022-11-16 12:24:07,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:07,899 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-16 12:24:07,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 26 transitions. [2022-11-16 12:24:07,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-16 12:24:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.04) internal successors, (26), 24 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-11-16 12:24:07,902 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-16 12:24:07,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-16 12:24:07,903 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-16 12:24:07,903 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:24:07,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 26 transitions. [2022-11-16 12:24:07,904 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 23 [2022-11-16 12:24:07,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:07,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:07,905 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:24:07,905 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 9, 1, 1, 1, 1] [2022-11-16 12:24:07,905 INFO L748 eck$LassoCheckResult]: Stem: 277#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 278#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem6#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1; 279#L552-3 [2022-11-16 12:24:07,905 INFO L750 eck$LassoCheckResult]: Loop: 279#L552-3 call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 280#L552-1 assume !!(main_#t~mem6#1 <= 10);havoc main_#t~mem6#1;call write~int(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 285#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 283#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 281#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 282#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 301#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 300#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 299#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 298#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 297#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 296#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 295#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 294#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 293#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 292#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 291#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 290#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 289#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 288#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 287#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 286#L554-1 assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1; 284#L554-4 call main_#t~mem9#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1; 279#L552-3 [2022-11-16 12:24:07,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:07,906 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2022-11-16 12:24:07,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:07,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268283392] [2022-11-16 12:24:07,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:07,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:07,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:07,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:07,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:07,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1943458812, now seen corresponding path program 3 times [2022-11-16 12:24:07,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:07,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149777179] [2022-11-16 12:24:07,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:07,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:07,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:07,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:07,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:07,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1979445758, now seen corresponding path program 1 times [2022-11-16 12:24:07,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:07,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413545991] [2022-11-16 12:24:07,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:07,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:07,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:08,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:13,506 WARN L233 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 138 DAG size of output: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:24:13,816 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:24:13,816 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:24:13,817 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:24:13,817 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:24:13,817 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:24:13,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:13,817 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:24:13,817 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:24:13,817 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration5_Lasso [2022-11-16 12:24:13,817 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:24:13,818 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:24:13,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:13,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:13,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:13,865 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:13,868 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:13,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:13,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:13,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:13,878 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:13,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:14,202 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:14,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:14,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:14,551 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:24:14,555 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:24:14,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:14,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:14,610 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:14,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:24:14,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:14,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:14,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:24:14,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:14,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:14,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:14,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:24:14,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:24:14,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:14,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:14,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:14,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:14,674 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:14,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:24:14,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:14,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:14,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:14,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:14,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:14,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:14,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:14,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:14,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:14,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:14,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:14,717 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:14,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:14,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:14,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:24:14,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:14,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:14,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:14,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:24:14,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:24:14,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:24:14,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:14,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:14,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:14,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:14,772 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:14,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:24:14,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:14,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:14,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:14,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:14,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:14,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:14,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:14,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:14,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:14,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:14,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:14,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:14,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:24:14,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:14,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:14,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:14,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:14,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:14,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:14,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:14,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:14,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-16 12:24:14,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:14,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:14,880 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:14,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:14,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:24:14,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:14,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:24:14,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:14,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:14,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:14,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:24:14,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:24:14,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:14,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:14,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:14,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:14,918 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:14,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:14,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:14,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:24:14,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:14,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:14,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:14,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:24:14,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:24:14,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:24:14,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:14,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:14,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:14,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:14,966 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:14,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:14,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:24:14,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:14,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:24:14,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:14,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:14,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:14,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:24:14,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:24:15,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:15,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:15,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:15,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:15,017 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:15,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:15,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:15,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:15,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:15,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:15,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:15,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:15,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:24:15,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:15,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:15,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:15,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:15,063 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:15,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:15,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:15,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:15,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:15,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:15,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:24:15,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:15,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:15,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:15,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:15,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:15,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:15,122 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:15,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:15,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:15,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:15,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:15,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:15,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:24:15,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:15,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:15,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:15,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:15,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:15,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:15,178 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:15,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:15,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:15,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:15,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:15,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:15,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:15,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:15,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:24:15,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:15,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:15,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:15,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:15,219 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:15,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:15,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:15,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:15,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:15,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:15,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:24:15,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:15,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:15,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:15,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:15,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:15,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:15,281 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:15,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:15,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:24:15,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:15,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:15,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:15,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:15,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:15,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:15,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:15,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:15,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:15,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:15,330 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:15,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:24:15,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:15,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:15,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:15,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:15,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:15,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:15,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:15,371 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:24:15,380 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-16 12:24:15,380 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-16 12:24:15,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:15,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:15,385 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:15,392 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:24:15,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:24:15,421 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:24:15,421 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:24:15,421 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1 + 21 Supporting invariants [] [2022-11-16 12:24:15,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:15,493 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-11-16 12:24:15,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:15,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:24:15,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:15,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-16 12:24:15,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:15,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-16 12:24:15,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-16 12:24:15,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-16 12:24:15,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-16 12:24:15,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-16 12:24:15,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-16 12:24:15,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-16 12:24:15,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-16 12:24:15,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-16 12:24:15,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-11-16 12:24:15,955 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-16 12:24:15,958 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 [2022-11-16 12:24:15,960 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 26 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:16,034 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 26 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 51 transitions. Complement of second has 6 states. [2022-11-16 12:24:16,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:24:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2022-11-16 12:24:16,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 23 letters. [2022-11-16 12:24:16,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:16,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 25 letters. Loop has 23 letters. [2022-11-16 12:24:16,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:16,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 46 letters. [2022-11-16 12:24:16,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:16,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 51 transitions. [2022-11-16 12:24:16,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:24:16,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 47 states and 50 transitions. [2022-11-16 12:24:16,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-16 12:24:16,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-16 12:24:16,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 50 transitions. [2022-11-16 12:24:16,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:24:16,058 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 50 transitions. [2022-11-16 12:24:16,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 50 transitions. [2022-11-16 12:24:16,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 29. [2022-11-16 12:24:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.103448275862069) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-11-16 12:24:16,064 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-11-16 12:24:16,064 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-11-16 12:24:16,064 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:24:16,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 32 transitions. [2022-11-16 12:24:16,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:24:16,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:16,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:16,067 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 12:24:16,068 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:24:16,068 INFO L748 eck$LassoCheckResult]: Stem: 501#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 502#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem6#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1; 497#L552-3 call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 498#L552-1 assume !!(main_#t~mem6#1 <= 10);havoc main_#t~mem6#1;call write~int(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 503#L554-3 [2022-11-16 12:24:16,068 INFO L750 eck$LassoCheckResult]: Loop: 503#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 504#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 503#L554-3 [2022-11-16 12:24:16,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:16,069 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-11-16 12:24:16,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:16,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653363889] [2022-11-16 12:24:16,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:16,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:16,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:16,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:16,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:16,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2022-11-16 12:24:16,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:16,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53419651] [2022-11-16 12:24:16,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:16,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:16,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:16,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:16,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:16,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:16,161 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2022-11-16 12:24:16,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:16,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305469570] [2022-11-16 12:24:16,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:16,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:16,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:16,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:16,538 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:24:16,538 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:24:16,539 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:24:16,539 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:24:16,539 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:24:16,539 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:16,539 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:24:16,539 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:24:16,539 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration6_Lasso [2022-11-16 12:24:16,539 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:24:16,539 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:24:16,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,547 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,736 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,739 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,753 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,755 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:16,758 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:17,001 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:24:17,001 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:24:17,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:17,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:17,005 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:17,019 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 [2022-11-16 12:24:17,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:17,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:24:17,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:17,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:17,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:17,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:24:17,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:24:17,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:24:17,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:17,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:17,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:17,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:17,051 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:17,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:17,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:17,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:24:17,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:17,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:17,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:17,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:24:17,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:24:17,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:24:17,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:17,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:17,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:17,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:17,101 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:17,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:17,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:17,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:17,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:17,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:17,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:17,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:17,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:24:17,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:17,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:17,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:17,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:17,157 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:17,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:17,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:17,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:17,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:17,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:17,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 12:24:17,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:17,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:17,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:17,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:17,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:17,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:17,217 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:17,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:17,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:17,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:17,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:17,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:17,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:17,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:17,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:24:17,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:17,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:17,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:17,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:17,256 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:17,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:17,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:17,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:17,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:17,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:17,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:24:17,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:17,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:17,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:17,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:17,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:17,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:17,309 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:17,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:17,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:17,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:17,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:17,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:17,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:17,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:17,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:24:17,343 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:24:17,369 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-16 12:24:17,369 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-16 12:24:17,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:17,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:17,370 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:17,377 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:24:17,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 12:24:17,395 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:24:17,395 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:24:17,395 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2 Supporting invariants [] [2022-11-16 12:24:17,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:17,422 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2022-11-16 12:24:17,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:17,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:24:17,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:17,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:24:17,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:17,506 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:24:17,507 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 32 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:17,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:17,547 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 32 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 67 states and 72 transitions. Complement of second has 7 states. [2022-11-16 12:24:17,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:24:17,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2022-11-16 12:24:17,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-16 12:24:17,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:17,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-16 12:24:17,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:17,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-16 12:24:17,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:17,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 72 transitions. [2022-11-16 12:24:17,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:24:17,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 52 states and 55 transitions. [2022-11-16 12:24:17,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-16 12:24:17,551 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-16 12:24:17,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 55 transitions. [2022-11-16 12:24:17,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:24:17,551 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 55 transitions. [2022-11-16 12:24:17,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 55 transitions. [2022-11-16 12:24:17,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2022-11-16 12:24:17,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.06) internal successors, (53), 49 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:17,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2022-11-16 12:24:17,555 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 53 transitions. [2022-11-16 12:24:17,555 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 53 transitions. [2022-11-16 12:24:17,555 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 12:24:17,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 53 transitions. [2022-11-16 12:24:17,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:24:17,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:24:17,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:24:17,557 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 9, 2, 2, 1, 1, 1, 1] [2022-11-16 12:24:17,557 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:24:17,557 INFO L748 eck$LassoCheckResult]: Stem: 671#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 672#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem8#1, main_#t~mem7#1, main_#t~mem9#1, main_#t~mem6#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1; 666#L552-3 call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 667#L552-1 assume !!(main_#t~mem6#1 <= 10);havoc main_#t~mem6#1;call write~int(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 679#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 677#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 675#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 676#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 715#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 714#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 713#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 712#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 711#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 710#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 709#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 708#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 707#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 706#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 705#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 704#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 703#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 683#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 684#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 680#L554-1 assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1; 678#L554-4 call main_#t~mem9#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1; 668#L552-3 call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 669#L552-1 assume !!(main_#t~mem6#1 <= 10);havoc main_#t~mem6#1;call write~int(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 673#L554-3 [2022-11-16 12:24:17,557 INFO L750 eck$LassoCheckResult]: Loop: 673#L554-3 call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 674#L554-1 assume !!(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1; 673#L554-3 [2022-11-16 12:24:17,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:17,558 INFO L85 PathProgramCache]: Analyzing trace with hash 423138919, now seen corresponding path program 2 times [2022-11-16 12:24:17,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:17,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430132260] [2022-11-16 12:24:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:17,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:17,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:17,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:17,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:17,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 2 times [2022-11-16 12:24:17,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:17,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599823589] [2022-11-16 12:24:17,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:17,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:17,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:17,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:17,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:17,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1385391412, now seen corresponding path program 3 times [2022-11-16 12:24:17,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:17,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470057649] [2022-11-16 12:24:17,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:17,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:24:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:24:17,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:24:28,966 WARN L233 SmtUtils]: Spent 11.25s on a formula simplification. DAG size of input: 194 DAG size of output: 169 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 12:24:29,176 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:24:29,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:24:29,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:24:29,177 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:24:29,177 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:24:29,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:29,177 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:24:29,177 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:24:29,187 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration7_Lasso [2022-11-16 12:24:29,187 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:24:29,187 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:24:29,189 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,418 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,425 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,427 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,431 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,444 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:24:29,730 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:24:29,731 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:24:29,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:29,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:29,735 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:29,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 12:24:29,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:29,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:29,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:29,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:29,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:29,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:29,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:29,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:29,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-16 12:24:29,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:29,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:29,783 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:29,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:29,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 12:24:29,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:29,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:29,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:29,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:29,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:29,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:29,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:29,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:29,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:29,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:29,821 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:29,832 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 [2022-11-16 12:24:29,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:29,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:29,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:29,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:29,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 12:24:29,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:29,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:29,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:29,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:29,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:29,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:29,877 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:29,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:29,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 12:24:29,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:29,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:29,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:29,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:29,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:29,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:29,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:29,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:29,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:29,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:29,937 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:29,944 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 [2022-11-16 12:24:29,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:29,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:29,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:29,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:29,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:29,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:29,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 12:24:29,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:29,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:29,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:29,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:29,985 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:29,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 12:24:29,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:29,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:29,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:29,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:29,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:30,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:30,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:30,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:30,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:30,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:30,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:30,040 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:30,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 12:24:30,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:30,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:30,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:30,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:30,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:30,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:30,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:30,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:24:30,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:30,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:30,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:30,078 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:30,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 12:24:30,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:24:30,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:24:30,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:24:30,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:24:30,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:24:30,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:24:30,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:24:30,099 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:24:30,118 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-16 12:24:30,118 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-16 12:24:30,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:24:30,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:30,121 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:30,128 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:24:30,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 12:24:30,139 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:24:30,139 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:24:30,139 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_3 Supporting invariants [] [2022-11-16 12:24:30,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:30,168 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2022-11-16 12:24:30,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:30,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:24:30,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:30,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:24:30,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:30,301 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:24:30,302 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 53 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:30,327 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 53 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 66 transitions. Complement of second has 7 states. [2022-11-16 12:24:30,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:24:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:30,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2022-11-16 12:24:30,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 27 letters. Loop has 2 letters. [2022-11-16 12:24:30,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:30,344 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:24:30,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:30,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:24:30,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:30,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:24:30,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:30,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:30,551 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:24:30,551 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 53 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:30,568 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 53 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 66 transitions. Complement of second has 7 states. [2022-11-16 12:24:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:24:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2022-11-16 12:24:30,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 27 letters. Loop has 2 letters. [2022-11-16 12:24:30,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:30,571 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 12:24:30,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:30,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:24:30,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:30,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:24:30,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:24:30,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:30,710 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:24:30,710 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 53 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:30,730 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 53 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 79 transitions. Complement of second has 6 states. [2022-11-16 12:24:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:24:30,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:30,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-11-16 12:24:30,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 27 letters. Loop has 2 letters. [2022-11-16 12:24:30,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:30,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 29 letters. Loop has 2 letters. [2022-11-16 12:24:30,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:30,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 27 letters. Loop has 4 letters. [2022-11-16 12:24:30,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:24:30,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 79 transitions. [2022-11-16 12:24:30,735 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:24:30,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 0 states and 0 transitions. [2022-11-16 12:24:30,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:24:30,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:24:30,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:24:30,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:30,736 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:24:30,736 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:24:30,736 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:24:30,736 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 12:24:30,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:24:30,736 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:24:30,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:24:30,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:24:30 BoogieIcfgContainer [2022-11-16 12:24:30,743 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:24:30,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:24:30,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:24:30,744 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:24:30,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:05" (3/4) ... [2022-11-16 12:24:30,747 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:24:30,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:24:30,748 INFO L158 Benchmark]: Toolchain (without parser) took 26782.26ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 87.1MB in the beginning and 102.9MB in the end (delta: -15.8MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-11-16 12:24:30,749 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory was 94.8MB in the beginning and 94.8MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:24:30,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.30ms. Allocated memory is still 123.7MB. Free memory was 87.1MB in the beginning and 93.1MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:24:30,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.56ms. Allocated memory is still 123.7MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:24:30,750 INFO L158 Benchmark]: Boogie Preprocessor took 47.50ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 89.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:24:30,750 INFO L158 Benchmark]: RCFGBuilder took 456.73ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 79.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:24:30,750 INFO L158 Benchmark]: BuchiAutomizer took 25675.50ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 79.0MB in the beginning and 102.9MB in the end (delta: -23.9MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-16 12:24:30,751 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 148.9MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:24:30,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory was 94.8MB in the beginning and 94.8MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.30ms. Allocated memory is still 123.7MB. Free memory was 87.1MB in the beginning and 93.1MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.56ms. Allocated memory is still 123.7MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.50ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 89.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.73ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 79.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 25675.50ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 79.0MB in the beginning and 102.9MB in the end (delta: -23.9MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 148.9MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[x1][x1] + 21 and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x2][x2] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[x2][x2] and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 25.6s and 8 iterations. TraceHistogramMax:10. Analysis of lassos took 23.8s. Construction of modules took 0.1s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 90/90 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 53 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital225 mio100 ax108 hnf100 lsp88 ukn53 mio100 lsp35 div100 bol100 ite100 ukn100 eq192 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:24:30,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:24:30,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 12:24:31,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99cea17f-81a5-4408-bfbe-0e99f52d5b84/bin/uautomizer-tPACEb0tL8/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