./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/phases_2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/phases_2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD --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 c973e7f310a848892a18e3f534717b85b3f4d9e6c87fd06bd7bcf01c28300fa4 ..................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:00:10,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:00:10,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:00:10,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:00:10,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:00:10,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:00:10,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:00:10,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:00:10,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:00:10,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:00:10,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:00:10,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:00:10,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:00:10,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:00:10,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:00:10,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:00:10,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:00:10,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:00:10,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:00:10,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:00:10,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:00:10,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:00:10,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:00:10,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:00:10,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:00:10,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:00:10,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:00:10,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:00:10,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:00:10,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:00:10,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:00:10,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:00:10,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:00:10,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:00:10,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:00:10,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:00:10,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:00:10,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:00:11,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:00:11,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:00:11,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:00:11,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:00:11,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:00:11,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:00:11,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:00:11,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:00:11,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:00:11,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:00:11,067 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:00:11,068 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:00:11,068 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:00:11,068 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:00:11,070 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:00:11,070 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:00:11,070 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:00:11,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:00:11,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:00:11,071 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:00:11,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:00:11,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:00:11,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:00:11,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:00:11,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:00:11,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:00:11,073 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:00:11,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:00:11,073 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:00:11,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:00:11,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:00:11,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:00:11,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:00:11,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:00:11,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:00:11,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:00:11,078 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:00:11,079 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_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c973e7f310a848892a18e3f534717b85b3f4d9e6c87fd06bd7bcf01c28300fa4 [2021-10-28 23:00:11,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:00:11,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:00:11,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:00:11,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:00:11,433 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:00:11,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2021-10-28 23:00:11,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/data/c99f53209/735769a4cd8b489494c8f113fc7089fa/FLAGecb0bcd16 [2021-10-28 23:00:12,049 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:00:12,051 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2021-10-28 23:00:12,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/data/c99f53209/735769a4cd8b489494c8f113fc7089fa/FLAGecb0bcd16 [2021-10-28 23:00:12,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/data/c99f53209/735769a4cd8b489494c8f113fc7089fa [2021-10-28 23:00:12,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:00:12,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:00:12,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:00:12,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:00:12,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:00:12,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1d5886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12, skipping insertion in model container [2021-10-28 23:00:12,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:00:12,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:00:12,637 WARN L228 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_29155a86-55e0-438b-8401-b2aeb50934a8/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2021-10-28 23:00:12,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:00:12,656 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:00:12,669 WARN L228 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_29155a86-55e0-438b-8401-b2aeb50934a8/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2021-10-28 23:00:12,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:00:12,688 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:00:12,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12 WrapperNode [2021-10-28 23:00:12,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:00:12,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:00:12,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:00:12,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:00:12,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:00:12,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:00:12,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:00:12,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:00:12,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:00:12,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:00:12,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:00:12,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:00:12,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12" (1/1) ... [2021-10-28 23:00:12,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:00:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:00:12,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:00:12,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:00:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:00:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:00:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:00:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:00:13,049 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:00:13,050 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:00:13,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:13 BoogieIcfgContainer [2021-10-28 23:00:13,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:00:13,053 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:00:13,053 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:00:13,056 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:00:13,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:00:13,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:00:12" (1/3) ... [2021-10-28 23:00:13,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67acc9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:00:13, skipping insertion in model container [2021-10-28 23:00:13,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:00:13,059 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:12" (2/3) ... [2021-10-28 23:00:13,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67acc9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:00:13, skipping insertion in model container [2021-10-28 23:00:13,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:00:13,060 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:13" (3/3) ... [2021-10-28 23:00:13,061 INFO L389 chiAutomizerObserver]: Analyzing ICFG phases_2-2.c [2021-10-28 23:00:13,163 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:00:13,164 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:00:13,164 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:00:13,164 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:00:13,164 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:00:13,164 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:00:13,164 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:00:13,165 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:00:13,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:00:13,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:00:13,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:00:13,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:00:13,218 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:00:13,218 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:00:13,218 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:00:13,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:00:13,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:00:13,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:00:13,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:00:13,223 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:00:13,223 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:00:13,231 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 8#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~post8, main_~x~0, main_~y~0;main_~x~0 := 1;main_~y~0 := main_#t~nondet7;havoc main_#t~nondet7; 7#L21true assume !!(main_~y~0 % 4294967296 > 0); 5#L24-2true [2021-10-28 23:00:13,232 INFO L793 eck$LassoCheckResult]: Loop: 5#L24-2true assume !!(main_~x~0 % 4294967296 < main_~y~0 % 4294967296); 10#L24true assume main_~x~0 % 4294967296 < (if main_~y~0 % 4294967296 < 0 && 0 != main_~y~0 % 4294967296 % (main_~x~0 % 4294967296) then (if main_~x~0 % 4294967296 < 0 then main_~y~0 % 4294967296 / (main_~x~0 % 4294967296) - 1 else 1 + main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) else main_~y~0 % 4294967296 / (main_~x~0 % 4294967296)) % 4294967296;main_~x~0 := main_~x~0 * main_~x~0; 5#L24-2true [2021-10-28 23:00:13,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:13,246 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-28 23:00:13,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:13,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469197365] [2021-10-28 23:00:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:13,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:13,421 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:13,482 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:13,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:13,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2021-10-28 23:00:13,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:13,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714153163] [2021-10-28 23:00:13,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:13,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:13,496 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:00:13,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54869286] [2021-10-28 23:00:13,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:13,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:00:13,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:00:13,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:00:13,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:00:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:13,558 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:13,574 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:13,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:13,576 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2021-10-28 23:00:13,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:13,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258545812] [2021-10-28 23:00:13,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:13,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:13,602 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:00:13,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1362868899] [2021-10-28 23:00:13,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:13,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:00:13,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:00:13,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:00:13,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:00:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:13,785 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:13,841 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:14,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:00:14 BoogieIcfgContainer [2021-10-28 23:00:14,376 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:00:14,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:00:14,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:00:14,377 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:00:14,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:13" (3/4) ... [2021-10-28 23:00:14,381 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:00:14,425 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:00:14,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:00:14,427 INFO L168 Benchmark]: Toolchain (without parser) took 2014.61 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 62.3 MB in the beginning and 104.6 MB in the end (delta: -42.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:14,428 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory is still 78.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:00:14,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.57 ms. Allocated memory is still 100.7 MB. Free memory was 62.1 MB in the beginning and 73.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:14,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.90 ms. Allocated memory is still 100.7 MB. Free memory was 73.8 MB in the beginning and 72.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:14,431 INFO L168 Benchmark]: Boogie Preprocessor took 22.68 ms. Allocated memory is still 100.7 MB. Free memory was 72.4 MB in the beginning and 71.4 MB in the end (delta: 991.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:00:14,432 INFO L168 Benchmark]: RCFGBuilder took 299.56 ms. Allocated memory is still 100.7 MB. Free memory was 71.1 MB in the beginning and 62.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:14,433 INFO L168 Benchmark]: BuchiAutomizer took 1323.12 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 62.0 MB in the beginning and 106.6 MB in the end (delta: -44.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:14,433 INFO L168 Benchmark]: Witness Printer took 48.32 ms. Allocated memory is still 151.0 MB. Free memory was 106.6 MB in the beginning and 104.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:00:14,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory is still 78.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 273.57 ms. Allocated memory is still 100.7 MB. Free memory was 62.1 MB in the beginning and 73.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.90 ms. Allocated memory is still 100.7 MB. Free memory was 73.8 MB in the beginning and 72.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.68 ms. Allocated memory is still 100.7 MB. Free memory was 72.4 MB in the beginning and 71.4 MB in the end (delta: 991.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 299.56 ms. Allocated memory is still 100.7 MB. Free memory was 71.1 MB in the beginning and 62.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1323.12 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 62.0 MB in the beginning and 106.6 MB in the end (delta: -44.6 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Witness Printer took 48.32 ms. Allocated memory is still 151.0 MB. Free memory was 106.6 MB in the beginning and 104.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 23]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=4, NULL=0, \result=0, NULL=3, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28ae8c64=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@45b6f492=0, NULL=0, x=1, y=2, NULL=2} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 23]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L18] unsigned int x = 1; [L19] unsigned int y = __VERIFIER_nondet_uint(); [L21] COND FALSE !(!(y > 0)) Loop: [L23] COND TRUE x < y [L24] COND TRUE x < y / x [L25] x *= x End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:00:14,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:00:14,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:00:14,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29155a86-55e0-438b-8401-b2aeb50934a8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...