./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/gcd01-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/gcd01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ --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 32bit --witnessprinter.graph.data.programhash ceea5216a7b51ee21eab36f0e9b129c25f18193871fb4ca0aa52ef8740fc0ce8 --- 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-dbf71c6-m [2022-10-17 10:10:19,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:10:19,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:10:19,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:10:19,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:10:19,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:10:19,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:10:19,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:10:19,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:10:19,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:10:19,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:10:19,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:10:19,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:10:19,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:10:19,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:10:19,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:10:19,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:10:19,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:10:19,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:10:19,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:10:19,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:10:19,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:10:19,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:10:19,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:10:19,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:10:19,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:10:19,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:10:19,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:10:19,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:10:19,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:10:19,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:10:19,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:10:19,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:10:19,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:10:19,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:10:19,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:10:19,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:10:19,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:10:19,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:10:19,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:10:19,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:10:19,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:10:19,864 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:10:19,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:10:19,865 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:10:19,865 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:10:19,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:10:19,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:10:19,867 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:10:19,867 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:10:19,868 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:10:19,868 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:10:19,869 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:10:19,870 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:10:19,870 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:10:19,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:10:19,870 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:10:19,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:10:19,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:10:19,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:10:19,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:10:19,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:10:19,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:10:19,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:10:19,873 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:10:19,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:10:19,873 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:10:19,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:10:19,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:10:19,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:10:19,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:10:19,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:10:19,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:10:19,876 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:10:19,877 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_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceea5216a7b51ee21eab36f0e9b129c25f18193871fb4ca0aa52ef8740fc0ce8 [2022-10-17 10:10:20,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:10:20,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:10:20,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:10:20,206 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:10:20,207 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:10:20,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/recursive/gcd01-1.c [2022-10-17 10:10:20,332 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/data/96dbe9cfd/dd7c65b26c4b4f13b02294c627b64b41/FLAG4d7a80465 [2022-10-17 10:10:20,951 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:10:20,952 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/sv-benchmarks/c/recursive/gcd01-1.c [2022-10-17 10:10:20,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/data/96dbe9cfd/dd7c65b26c4b4f13b02294c627b64b41/FLAG4d7a80465 [2022-10-17 10:10:21,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/data/96dbe9cfd/dd7c65b26c4b4f13b02294c627b64b41 [2022-10-17 10:10:21,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:10:21,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:10:21,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:10:21,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:10:21,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:10:21,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a7435c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21, skipping insertion in model container [2022-10-17 10:10:21,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:10:21,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:10:21,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/sv-benchmarks/c/recursive/gcd01-1.c[1008,1021] [2022-10-17 10:10:21,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:10:21,589 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:10:21,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/sv-benchmarks/c/recursive/gcd01-1.c[1008,1021] [2022-10-17 10:10:21,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:10:21,622 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:10:21,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21 WrapperNode [2022-10-17 10:10:21,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:10:21,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:10:21,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:10:21,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:10:21,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,661 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-10-17 10:10:21,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:10:21,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:10:21,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:10:21,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:10:21,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,680 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:10:21,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:10:21,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:10:21,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:10:21,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (1/1) ... [2022-10-17 10:10:21,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:21,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:21,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:21,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:10:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:10:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure gcd [2022-10-17 10:10:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd [2022-10-17 10:10:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:10:21,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:10:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:10:21,863 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:10:21,865 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:10:22,078 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:10:22,096 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:10:22,096 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:10:22,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:22 BoogieIcfgContainer [2022-10-17 10:10:22,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:10:22,099 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:10:22,100 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:10:22,103 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:10:22,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:22,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:10:21" (1/3) ... [2022-10-17 10:10:22,106 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f4d3693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:10:22, skipping insertion in model container [2022-10-17 10:10:22,106 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:22,106 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:21" (2/3) ... [2022-10-17 10:10:22,107 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f4d3693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:10:22, skipping insertion in model container [2022-10-17 10:10:22,107 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:22,107 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:22" (3/3) ... [2022-10-17 10:10:22,109 INFO L332 chiAutomizerObserver]: Analyzing ICFG gcd01-1.c [2022-10-17 10:10:22,182 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:10:22,183 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:10:22,183 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:10:22,183 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:10:22,183 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:10:22,183 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:10:22,183 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:10:22,184 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:10:22,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:10:22,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-10-17 10:10:22,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:22,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:22,259 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 10:10:22,259 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:10:22,260 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:10:22,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:10:22,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-10-17 10:10:22,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:22,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:22,266 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 10:10:22,266 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:10:22,275 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;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 10#L32true assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 11#L36true assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 21#L39true call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);< 22#gcdENTRYtrue [2022-10-17 10:10:22,276 INFO L750 eck$LassoCheckResult]: Loop: 22#gcdENTRYtrue ~y1 := #in~y1;~y2 := #in~y2; 6#L18true assume !(~y1 <= 0 || ~y2 <= 0); 12#L21true assume !(~y1 == ~y2); 18#L24true assume !(~y1 > ~y2); 17#L27true call #t~ret5 := gcd(~y1, ~y2 - ~y1);< 22#gcdENTRYtrue [2022-10-17 10:10:22,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:22,282 INFO L85 PathProgramCache]: Analyzing trace with hash 45873351, now seen corresponding path program 1 times [2022-10-17 10:10:22,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:22,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873225409] [2022-10-17 10:10:22,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:22,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:22,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:22,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:22,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:22,484 INFO L85 PathProgramCache]: Analyzing trace with hash 28756482, now seen corresponding path program 1 times [2022-10-17 10:10:22,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:22,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632054882] [2022-10-17 10:10:22,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:22,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:22,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:22,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:22,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:22,537 INFO L85 PathProgramCache]: Analyzing trace with hash -6988548, now seen corresponding path program 1 times [2022-10-17 10:10:22,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:22,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096995059] [2022-10-17 10:10:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:22,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:22,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:22,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:22,832 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:22,832 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:22,832 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:22,833 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:22,833 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:10:22,833 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:22,833 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:22,834 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:22,834 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration1_Loop [2022-10-17 10:10:22,834 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:22,834 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:22,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:22,868 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:22,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:22,891 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:22,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:22,899 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:23,052 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:23,053 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:10:23,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:23,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:23,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:23,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:10:23,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:23,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:10:23,108 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:10:23,108 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:10:23,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:23,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:23,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:23,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:23,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:10:23,160 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:23,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:10:23,187 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:10:23,187 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:10:23,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:23,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:23,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:23,229 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:23,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:10:23,236 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:23,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:10:23,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:23,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:23,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:23,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:23,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:10:23,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:23,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:10:23,534 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:10:23,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:23,540 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:23,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:23,541 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:23,541 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:23,541 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:10:23,542 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:23,542 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:23,542 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:23,542 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration1_Loop [2022-10-17 10:10:23,542 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:23,542 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:23,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:23,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:23,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:23,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:23,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:23,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:23,663 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:23,668 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:10:23,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:23,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:23,672 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:23,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:23,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:23,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:23,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:23,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:23,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:23,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:23,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:23,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:10:23,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:23,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:23,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:23,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:23,745 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:23,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:23,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:23,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:23,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:23,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:23,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:23,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:23,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:23,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:10:23,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:23,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:23,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:23,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:23,816 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:23,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:10:23,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:23,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:23,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:23,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:23,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:23,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:23,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:23,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:23,867 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:10:23,875 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:10:23,875 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:10:23,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:23,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:23,879 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:23,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:10:23,915 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:10:23,916 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:10:23,916 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:10:23,917 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_#in~y2) = 1*gcd_#in~y2 Supporting invariants [] [2022-10-17 10:10:23,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-10-17 10:10:23,952 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:10:23,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:24,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:10:24,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:24,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:10:24,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:24,181 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 [2022-10-17 10:10:24,184 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:24,334 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 98 transitions. Complement of second has 18 states. [2022-10-17 10:10:24,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-10-17 10:10:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2022-10-17 10:10:24,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 5 letters. Loop has 5 letters. [2022-10-17 10:10:24,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:24,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 10 letters. Loop has 5 letters. [2022-10-17 10:10:24,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:24,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 5 letters. Loop has 10 letters. [2022-10-17 10:10:24,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:24,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 98 transitions. [2022-10-17 10:10:24,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:10:24,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 28 states and 32 transitions. [2022-10-17 10:10:24,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-10-17 10:10:24,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-10-17 10:10:24,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 32 transitions. [2022-10-17 10:10:24,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:10:24,365 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 32 transitions. [2022-10-17 10:10:24,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 32 transitions. [2022-10-17 10:10:24,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2022-10-17 10:10:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:24,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2022-10-17 10:10:24,396 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-10-17 10:10:24,397 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-10-17 10:10:24,397 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:10:24,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2022-10-17 10:10:24,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:10:24,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:24,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:24,399 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-10-17 10:10:24,399 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:10:24,399 INFO L748 eck$LassoCheckResult]: Stem: 164#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3); 165#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 179#L32 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 180#L36 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 169#L39 call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);< 181#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 172#L18 [2022-10-17 10:10:24,399 INFO L750 eck$LassoCheckResult]: Loop: 172#L18 assume !(~y1 <= 0 || ~y2 <= 0); 173#L21 assume !(~y1 == ~y2); 177#L24 assume ~y1 > ~y2; 166#L25 call #t~ret4 := gcd(~y1 - ~y2, ~y2);< 168#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 172#L18 [2022-10-17 10:10:24,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:24,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1422073881, now seen corresponding path program 1 times [2022-10-17 10:10:24,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:24,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279365347] [2022-10-17 10:10:24,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:24,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:24,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:24,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:24,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:24,423 INFO L85 PathProgramCache]: Analyzing trace with hash 32573467, now seen corresponding path program 1 times [2022-10-17 10:10:24,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:24,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845766335] [2022-10-17 10:10:24,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:24,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:24,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:24,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:24,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:24,437 INFO L85 PathProgramCache]: Analyzing trace with hash -216647933, now seen corresponding path program 1 times [2022-10-17 10:10:24,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:24,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190062349] [2022-10-17 10:10:24,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:24,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:24,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:24,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:24,611 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:24,611 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:24,611 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:24,611 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:24,612 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:10:24,612 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:24,612 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:24,612 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:24,612 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration2_Loop [2022-10-17 10:10:24,612 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:24,613 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:24,614 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:24,620 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:24,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:24,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:24,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:24,697 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:24,697 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:10:24,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:24,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:24,699 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:24,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:10:24,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:24,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:10:24,735 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:10:24,735 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret4=0} Honda state: {gcd_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:10:24,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:24,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:24,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:24,777 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:24,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:10:24,788 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:10:24,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:24,807 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:10:24,807 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:10:24,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:24,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:24,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:24,847 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:24,856 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:10:24,856 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:24,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:10:24,883 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:10:24,883 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:10:24,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:24,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:24,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:24,927 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:24,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:10:24,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:10:24,934 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:25,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:25,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:25,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:25,016 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:25,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:10:25,022 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:25,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:10:27,597 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:10:27,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-10-17 10:10:27,603 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:27,603 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:27,603 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:27,604 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:27,604 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:10:27,604 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:27,604 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:27,604 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:27,604 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration2_Loop [2022-10-17 10:10:27,604 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:27,604 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:27,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:27,614 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:27,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:27,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:27,710 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:27,711 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:10:27,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:27,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:27,715 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:27,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:27,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:27,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:27,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:27,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:27,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:27,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:27,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:27,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:10:27,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:27,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:27,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:27,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:27,789 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:27,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:27,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:10:27,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:27,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:27,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:27,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:27,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:27,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:27,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:27,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:27,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-10-17 10:10:27,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:27,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:27,843 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:27,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:10:27,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:27,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:27,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:27,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:27,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:27,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:27,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:27,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:27,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:27,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:27,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:27,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:27,938 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:27,944 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 [2022-10-17 10:10:27,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:27,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:27,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:27,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:27,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:27,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:27,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:27,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:10:27,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:10:27,986 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:10:27,987 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:10:27,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:27,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:27,989 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:27,995 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:10:27,996 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:10:27,996 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:10:27,996 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_~y1) = 1*gcd_~y1 Supporting invariants [] [2022-10-17 10:10:28,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:10:28,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:28,037 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:10:28,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:28,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:10:28,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:28,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:10:28,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:28,196 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-10-17 10:10:28,197 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:28,228 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 61 transitions. Complement of second has 15 states. [2022-10-17 10:10:28,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-10-17 10:10:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-10-17 10:10:28,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 5 letters. [2022-10-17 10:10:28,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:28,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2022-10-17 10:10:28,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:28,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 6 letters. Loop has 10 letters. [2022-10-17 10:10:28,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:28,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 61 transitions. [2022-10-17 10:10:28,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:10:28,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 33 states and 37 transitions. [2022-10-17 10:10:28,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-10-17 10:10:28,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-10-17 10:10:28,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 37 transitions. [2022-10-17 10:10:28,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:10:28,237 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-10-17 10:10:28,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 37 transitions. [2022-10-17 10:10:28,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2022-10-17 10:10:28,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.15) internal successors, (23), 19 states have internal predecessors, (23), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-10-17 10:10:28,241 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-10-17 10:10:28,241 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-10-17 10:10:28,241 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:10:28,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 28 transitions. [2022-10-17 10:10:28,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:10:28,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:28,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:28,242 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:10:28,242 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:10:28,243 INFO L748 eck$LassoCheckResult]: Stem: 303#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3); 304#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~z~0#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 319#L32 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 320#L36 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 314#L39 call main_#t~ret8#1 := gcd(main_~m~0#1, main_~n~0#1);< 322#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 323#L18 assume !(~y1 <= 0 || ~y2 <= 0); 321#L21 assume !(~y1 == ~y2); 318#L24 assume !(~y1 > ~y2); 306#L27 call #t~ret5 := gcd(~y1, ~y2 - ~y1);< 315#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 310#L18 [2022-10-17 10:10:28,243 INFO L750 eck$LassoCheckResult]: Loop: 310#L18 assume !(~y1 <= 0 || ~y2 <= 0); 311#L21 assume !(~y1 == ~y2); 317#L24 assume ~y1 > ~y2; 305#L25 call #t~ret4 := gcd(~y1 - ~y2, ~y2);< 307#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 310#L18 [2022-10-17 10:10:28,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:28,243 INFO L85 PathProgramCache]: Analyzing trace with hash -216644988, now seen corresponding path program 2 times [2022-10-17 10:10:28,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:28,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768427994] [2022-10-17 10:10:28,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:28,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:28,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:28,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:28,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:28,273 INFO L85 PathProgramCache]: Analyzing trace with hash 32573467, now seen corresponding path program 2 times [2022-10-17 10:10:28,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:28,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804242390] [2022-10-17 10:10:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:28,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:28,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:28,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:28,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:28,285 INFO L85 PathProgramCache]: Analyzing trace with hash 201252728, now seen corresponding path program 1 times [2022-10-17 10:10:28,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:28,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129879304] [2022-10-17 10:10:28,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:28,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:28,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:28,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:28,420 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:28,420 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:28,420 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:28,420 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:28,420 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:10:28,420 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:28,420 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:28,420 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:28,421 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration3_Loop [2022-10-17 10:10:28,421 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:28,421 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:28,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:28,434 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:28,436 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:28,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:28,500 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:28,500 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:10:28,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:28,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:28,540 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:28,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:10:28,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:10:28,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:28,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:28,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:28,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:28,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:28,586 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:28,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:10:28,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:10:28,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:30,977 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:10:30,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:30,980 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:30,980 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:30,980 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:30,980 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:30,980 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:10:30,980 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:30,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:30,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:30,981 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd01-1.c_Iteration3_Loop [2022-10-17 10:10:30,981 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:30,981 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:30,982 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:30,985 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:30,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:31,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:31,062 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:31,062 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:10:31,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:31,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:31,064 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:31,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:31,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:31,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:31,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:31,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:31,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:31,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:31,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:31,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:10:31,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:31,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:31,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:31,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:31,146 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:31,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:10:31,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:31,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:31,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:31,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:31,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:31,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:31,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:31,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:31,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:31,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-10-17 10:10:31,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:31,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:31,185 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:31,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-10-17 10:10:31,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:31,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:31,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:31,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:31,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:31,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:31,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:31,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:31,228 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:10:31,248 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:10:31,248 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:10:31,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:31,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:31,255 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:31,257 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:10:31,257 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:10:31,257 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:10:31,257 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_~y1) = 1*gcd_~y1 Supporting invariants [] [2022-10-17 10:10:31,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-10-17 10:10:31,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-10-17 10:10:31,286 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:10:31,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:31,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:10:31,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:31,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:10:31,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:31,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:31,442 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-10-17 10:10:31,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:31,481 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 51 transitions. Complement of second has 15 states. [2022-10-17 10:10:31,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-10-17 10:10:31,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:31,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-10-17 10:10:31,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2022-10-17 10:10:31,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:31,488 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-10-17 10:10:31,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:31,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:10:31,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:31,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:10:31,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:31,673 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2022-10-17 10:10:31,674 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:31,713 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 51 transitions. Complement of second has 15 states. [2022-10-17 10:10:31,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-10-17 10:10:31,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:31,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-10-17 10:10:31,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 11 letters. Loop has 5 letters. [2022-10-17 10:10:31,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:31,715 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-10-17 10:10:31,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:31,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:10:31,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:31,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:10:31,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:31,856 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 4 loop predicates [2022-10-17 10:10:31,857 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:31,902 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 28 transitions. cyclomatic complexity: 6. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 86 transitions. Complement of second has 17 states. [2022-10-17 10:10:31,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-10-17 10:10:31,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2022-10-17 10:10:31,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 5 letters. [2022-10-17 10:10:31,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:31,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 16 letters. Loop has 5 letters. [2022-10-17 10:10:31,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:31,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 10 letters. [2022-10-17 10:10:31,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:31,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 86 transitions. [2022-10-17 10:10:31,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:10:31,921 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 0 states and 0 transitions. [2022-10-17 10:10:31,922 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:10:31,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:10:31,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:10:31,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:10:31,922 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:31,922 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:31,922 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:31,922 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:10:31,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:10:31,922 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:10:31,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:10:31,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:10:31 BoogieIcfgContainer [2022-10-17 10:10:31,930 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:10:31,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:10:31,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:10:31,931 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:10:31,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:22" (3/4) ... [2022-10-17 10:10:31,934 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:10:31,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:10:31,936 INFO L158 Benchmark]: Toolchain (without parser) took 10617.97ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 72.8MB in the beginning and 48.0MB in the end (delta: 24.8MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2022-10-17 10:10:31,936 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:10:31,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.11ms. Allocated memory is still 104.9MB. Free memory was 72.7MB in the beginning and 80.1MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:10:31,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.70ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 78.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:10:31,938 INFO L158 Benchmark]: Boogie Preprocessor took 20.61ms. Allocated memory is still 104.9MB. Free memory was 78.6MB in the beginning and 77.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:10:31,939 INFO L158 Benchmark]: RCFGBuilder took 414.32ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 67.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:10:31,939 INFO L158 Benchmark]: BuchiAutomizer took 9830.34ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 67.7MB in the beginning and 48.9MB in the end (delta: 18.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2022-10-17 10:10:31,940 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 125.8MB. Free memory was 48.9MB in the beginning and 48.0MB in the end (delta: 906.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:10:31,943 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.11ms. Allocated memory is still 104.9MB. Free memory was 72.7MB in the beginning and 80.1MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.70ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 78.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.61ms. Allocated memory is still 104.9MB. Free memory was 78.6MB in the beginning and 77.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.32ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 67.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 9830.34ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 67.7MB in the beginning and 48.9MB in the end (delta: 18.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 125.8MB. Free memory was 48.9MB in the beginning and 48.0MB in the end (delta: 906.1kB). 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 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function \old(y2) and consists of 6 locations. One deterministic module has affine ranking function y1 and consists of 5 locations. One nondeterministic module has affine ranking function y1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.7s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 8.3s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 18 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: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 52 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf91 smp92 dnf100 smp100 tf106 neg95 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 5.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-10-17 10:10:32,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:32,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9f3c93-729d-42ae-9c89-24f20876f3c0/bin/uautomizer-J5u9QxTXDZ/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