/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 16:12:59,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 16:12:59,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 16:12:59,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-08 16:12:59,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-08 16:12:59,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-08 16:12:59,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-08 16:12:59,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-08 16:12:59,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-08 16:12:59,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-08 16:12:59,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-08 16:12:59,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-08 16:12:59,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-08 16:12:59,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-08 16:12:59,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-08 16:12:59,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-08 16:12:59,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-08 16:12:59,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 16:12:59,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 16:12:59,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 16:12:59,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-08 16:12:59,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 16:12:59,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 16:12:59,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 16:12:59,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 16:12:59,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 16:12:59,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 16:12:59,922 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 16:12:59,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 16:12:59,922 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 16:12:59,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-08 16:12:59,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 16:12:59,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 16:12:59,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 16:12:59,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-08 16:12:59,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 16:12:59,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-08 16:12:59,925 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-08 16:12:59,925 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 16:12:59,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-08 16:12:59,926 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 16:12:59,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-08 16:12:59,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 16:12:59,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 16:12:59,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 16:12:59,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 16:12:59,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 16:12:59,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 16:12:59,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-08 16:12:59,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-08 16:12:59,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-08 16:12:59,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-08 16:12:59,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-08 16:12:59,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 16:13:00,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 16:13:00,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 16:13:00,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 16:13:00,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 16:13:00,356 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 16:13:00,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2021-10-08 16:13:00,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/258accc0d/9ddc5c1ac9254ca0b1b39e6cf30e559a/FLAG9d852cb39 [2021-10-08 16:13:01,113 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 16:13:01,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2021-10-08 16:13:01,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/258accc0d/9ddc5c1ac9254ca0b1b39e6cf30e559a/FLAG9d852cb39 [2021-10-08 16:13:01,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/258accc0d/9ddc5c1ac9254ca0b1b39e6cf30e559a [2021-10-08 16:13:01,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 16:13:01,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-08 16:13:01,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 16:13:01,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 16:13:01,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 16:13:01,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6715e5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01, skipping insertion in model container [2021-10-08 16:13:01,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 16:13:01,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 16:13:01,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c[2854,2867] [2021-10-08 16:13:01,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 16:13:01,700 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 16:13:01,728 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c[2854,2867] [2021-10-08 16:13:01,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 16:13:01,750 INFO L208 MainTranslator]: Completed translation [2021-10-08 16:13:01,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01 WrapperNode [2021-10-08 16:13:01,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 16:13:01,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 16:13:01,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 16:13:01,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 16:13:01,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 16:13:01,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 16:13:01,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 16:13:01,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 16:13:01,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 16:13:01,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 16:13:01,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 16:13:01,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 16:13:01,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01" (1/1) ... [2021-10-08 16:13:01,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 16:13:01,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:13:01,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-08 16:13:01,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-08 16:13:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 16:13:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-08 16:13:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-08 16:13:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 16:13:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 16:13:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 16:13:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 16:13:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-08 16:13:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-08 16:13:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-08 16:13:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-08 16:13:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-08 16:13:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-08 16:13:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 16:13:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 16:13:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 16:13:01,958 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 16:13:02,702 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 16:13:02,703 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-08 16:13:02,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 04:13:02 BoogieIcfgContainer [2021-10-08 16:13:02,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 16:13:02,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 16:13:02,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 16:13:02,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 16:13:02,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 04:13:01" (1/3) ... [2021-10-08 16:13:02,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d97d0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 04:13:02, skipping insertion in model container [2021-10-08 16:13:02,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:01" (2/3) ... [2021-10-08 16:13:02,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d97d0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 04:13:02, skipping insertion in model container [2021-10-08 16:13:02,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 04:13:02" (3/3) ... [2021-10-08 16:13:02,729 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2021-10-08 16:13:02,738 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-08 16:13:02,738 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 16:13:02,739 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-10-08 16:13:02,739 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 16:13:02,776 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,776 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,777 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,777 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,777 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,777 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,778 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,778 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,778 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,778 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,779 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,779 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,779 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,779 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,779 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,779 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,780 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,780 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,781 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,781 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,781 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,781 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,781 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,782 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,782 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,782 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,782 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,782 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,783 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,783 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,784 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,784 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,784 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,784 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,784 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,784 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,785 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,785 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,785 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,785 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,786 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,786 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,786 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,786 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,786 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,787 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,787 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,787 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,788 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,788 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,788 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,788 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,789 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,789 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,789 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,789 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,789 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,790 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,790 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,790 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,790 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,790 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,791 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,791 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,791 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,791 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,791 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,792 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,792 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,792 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,792 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,792 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,792 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,793 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,793 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,793 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,793 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,794 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,794 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,794 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,794 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,794 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,795 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,795 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,795 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,795 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,796 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,796 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,796 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,796 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,797 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,797 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,797 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,797 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,797 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,798 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,798 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,798 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,798 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,798 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,800 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,800 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,800 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,800 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,800 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,801 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,801 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,801 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,801 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,801 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,802 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,802 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,802 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,802 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,803 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,803 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,803 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,803 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,803 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,804 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,804 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,804 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,804 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,805 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,805 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,805 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,806 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,806 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,806 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,806 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,806 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,807 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,807 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,807 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,807 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,807 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,808 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,808 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,808 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,808 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,809 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,809 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,809 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,809 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,809 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,809 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,810 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,810 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,810 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,810 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,810 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,810 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,814 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,815 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,815 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,815 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,815 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,815 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,816 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,816 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~x~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,818 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,818 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,819 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,819 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,819 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,819 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,819 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,821 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,821 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,821 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,822 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,822 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,822 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,822 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,822 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,823 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:13:02,832 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-08 16:13:02,887 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-08 16:13:02,896 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-08 16:13:02,896 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-10-08 16:13:02,924 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-08 16:13:02,936 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 177 transitions, 378 flow [2021-10-08 16:13:02,940 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 177 transitions, 378 flow [2021-10-08 16:13:02,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 177 transitions, 378 flow [2021-10-08 16:13:03,020 INFO L129 PetriNetUnfolder]: 12/174 cut-off events. [2021-10-08 16:13:03,021 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-08 16:13:03,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 174 events. 12/174 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 180 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 114. Up to 2 conditions per place. [2021-10-08 16:13:03,040 INFO L116 LiptonReduction]: Number of co-enabled transitions 3812 [2021-10-08 16:13:10,995 INFO L131 LiptonReduction]: Checked pairs total: 4171 [2021-10-08 16:13:10,995 INFO L133 LiptonReduction]: Total number of compositions: 181 [2021-10-08 16:13:11,008 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 37 transitions, 98 flow [2021-10-08 16:13:11,065 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 555 states, 491 states have (on average 3.6028513238289204) internal successors, (1769), 554 states have internal predecessors, (1769), 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) [2021-10-08 16:13:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 555 states, 491 states have (on average 3.6028513238289204) internal successors, (1769), 554 states have internal predecessors, (1769), 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) [2021-10-08 16:13:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 16:13:11,077 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:13:11,077 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 16:13:11,078 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2021-10-08 16:13:11,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:13:11,085 INFO L82 PathProgramCache]: Analyzing trace with hash 24866, now seen corresponding path program 1 times [2021-10-08 16:13:11,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:13:11,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739517810] [2021-10-08 16:13:11,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:13:11,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:13:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:13:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:13:11,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:13:11,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739517810] [2021-10-08 16:13:11,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739517810] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 16:13:11,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 16:13:11,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 16:13:11,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241418032] [2021-10-08 16:13:11,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 16:13:11,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:13:11,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 16:13:11,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 16:13:11,336 INFO L87 Difference]: Start difference. First operand has 555 states, 491 states have (on average 3.6028513238289204) internal successors, (1769), 554 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-08 16:13:11,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:13:11,395 INFO L93 Difference]: Finished difference Result 495 states and 1515 transitions. [2021-10-08 16:13:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 16:13:11,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) Word has length 2 [2021-10-08 16:13:11,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:13:11,420 INFO L225 Difference]: With dead ends: 495 [2021-10-08 16:13:11,420 INFO L226 Difference]: Without dead ends: 495 [2021-10-08 16:13:11,421 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 16:13:11,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2021-10-08 16:13:11,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 250. [2021-10-08 16:13:11,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 233 states have (on average 3.2660944206008584) internal successors, (761), 249 states have internal predecessors, (761), 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) [2021-10-08 16:13:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 761 transitions. [2021-10-08 16:13:11,514 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 761 transitions. Word has length 2 [2021-10-08 16:13:11,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:13:11,516 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 761 transitions. [2021-10-08 16:13:11,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-08 16:13:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 761 transitions. [2021-10-08 16:13:11,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-08 16:13:11,517 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:13:11,518 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-08 16:13:11,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-08 16:13:11,518 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2021-10-08 16:13:11,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:13:11,519 INFO L82 PathProgramCache]: Analyzing trace with hash 771594, now seen corresponding path program 1 times [2021-10-08 16:13:11,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:13:11,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897571121] [2021-10-08 16:13:11,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:13:11,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:13:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:13:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:13:11,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:13:11,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897571121] [2021-10-08 16:13:11,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897571121] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:13:11,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344177920] [2021-10-08 16:13:11,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:13:11,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:13:11,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:13:11,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:13:11,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-08 16:13:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:13:11,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 16:13:11,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:13:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:13:11,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344177920] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 16:13:11,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 16:13:11,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2021-10-08 16:13:11,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123986854] [2021-10-08 16:13:11,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 16:13:11,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:13:11,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 16:13:11,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 16:13:11,776 INFO L87 Difference]: Start difference. First operand 250 states and 761 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:11,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:13:11,809 INFO L93 Difference]: Finished difference Result 494 states and 1514 transitions. [2021-10-08 16:13:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 16:13:11,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-08 16:13:11,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:13:11,819 INFO L225 Difference]: With dead ends: 494 [2021-10-08 16:13:11,819 INFO L226 Difference]: Without dead ends: 494 [2021-10-08 16:13:11,820 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 16:13:11,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-10-08 16:13:11,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 249. [2021-10-08 16:13:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 233 states have (on average 3.2618025751072963) internal successors, (760), 248 states have internal predecessors, (760), 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) [2021-10-08 16:13:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 760 transitions. [2021-10-08 16:13:11,844 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 760 transitions. Word has length 3 [2021-10-08 16:13:11,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:13:11,845 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 760 transitions. [2021-10-08 16:13:11,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 760 transitions. [2021-10-08 16:13:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-08 16:13:11,846 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:13:11,846 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-08 16:13:11,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-08 16:13:12,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:13:12,060 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2021-10-08 16:13:12,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:13:12,062 INFO L82 PathProgramCache]: Analyzing trace with hash 771596, now seen corresponding path program 1 times [2021-10-08 16:13:12,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:13:12,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218739304] [2021-10-08 16:13:12,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:13:12,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:13:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:13:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:13:12,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:13:12,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218739304] [2021-10-08 16:13:12,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218739304] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:13:12,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209797911] [2021-10-08 16:13:12,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:13:12,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:13:12,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:13:12,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:13:12,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-08 16:13:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:13:12,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 16:13:12,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:13:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:13:12,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209797911] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:13:12,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:13:12,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-10-08 16:13:12,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614963781] [2021-10-08 16:13:12,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-08 16:13:12,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:13:12,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-08 16:13:12,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 16:13:12,212 INFO L87 Difference]: Start difference. First operand 249 states and 760 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:12,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:13:12,255 INFO L93 Difference]: Finished difference Result 740 states and 2270 transitions. [2021-10-08 16:13:12,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 16:13:12,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-08 16:13:12,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:13:12,269 INFO L225 Difference]: With dead ends: 740 [2021-10-08 16:13:12,269 INFO L226 Difference]: Without dead ends: 740 [2021-10-08 16:13:12,269 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 16:13:12,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-10-08 16:13:12,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 250. [2021-10-08 16:13:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 234 states have (on average 3.2564102564102564) internal successors, (762), 249 states have internal predecessors, (762), 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) [2021-10-08 16:13:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 762 transitions. [2021-10-08 16:13:12,307 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 762 transitions. Word has length 3 [2021-10-08 16:13:12,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:13:12,307 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 762 transitions. [2021-10-08 16:13:12,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:12,308 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 762 transitions. [2021-10-08 16:13:12,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 16:13:12,308 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:13:12,309 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-08 16:13:12,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-08 16:13:12,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:13:12,514 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2021-10-08 16:13:12,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:13:12,516 INFO L82 PathProgramCache]: Analyzing trace with hash 23920164, now seen corresponding path program 2 times [2021-10-08 16:13:12,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:13:12,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057280727] [2021-10-08 16:13:12,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:13:12,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:13:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:13:12,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:13:12,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:13:12,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057280727] [2021-10-08 16:13:12,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057280727] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:13:12,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756017150] [2021-10-08 16:13:12,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 16:13:12,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:13:12,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:13:12,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:13:12,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-08 16:13:12,646 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-08 16:13:12,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:13:12,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-08 16:13:12,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:13:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 16:13:12,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756017150] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 16:13:12,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 16:13:12,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-08 16:13:12,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526842612] [2021-10-08 16:13:12,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 16:13:12,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:13:12,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 16:13:12,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-08 16:13:12,670 INFO L87 Difference]: Start difference. First operand 250 states and 762 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:12,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:13:12,677 INFO L93 Difference]: Finished difference Result 249 states and 761 transitions. [2021-10-08 16:13:12,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 16:13:12,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-08 16:13:12,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:13:12,680 INFO L225 Difference]: With dead ends: 249 [2021-10-08 16:13:12,680 INFO L226 Difference]: Without dead ends: 249 [2021-10-08 16:13:12,680 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-08 16:13:12,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-10-08 16:13:12,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 247. [2021-10-08 16:13:12,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 232 states have (on average 3.2629310344827585) internal successors, (757), 246 states have internal predecessors, (757), 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) [2021-10-08 16:13:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 757 transitions. [2021-10-08 16:13:12,690 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 757 transitions. Word has length 4 [2021-10-08 16:13:12,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:13:12,691 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 757 transitions. [2021-10-08 16:13:12,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:12,691 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 757 transitions. [2021-10-08 16:13:12,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-08 16:13:12,692 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:13:12,692 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-08 16:13:12,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-08 16:13:12,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:13:12,906 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2021-10-08 16:13:12,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:13:12,906 INFO L82 PathProgramCache]: Analyzing trace with hash 741107066, now seen corresponding path program 1 times [2021-10-08 16:13:12,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:13:12,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541546144] [2021-10-08 16:13:12,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:13:12,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:13:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:13:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:13:12,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:13:12,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541546144] [2021-10-08 16:13:12,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541546144] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 16:13:12,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 16:13:12,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 16:13:12,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556746062] [2021-10-08 16:13:12,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 16:13:12,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:13:12,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 16:13:12,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 16:13:12,969 INFO L87 Difference]: Start difference. First operand 247 states and 757 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:13,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:13:13,030 INFO L93 Difference]: Finished difference Result 277 states and 804 transitions. [2021-10-08 16:13:13,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 16:13:13,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-08 16:13:13,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:13:13,034 INFO L225 Difference]: With dead ends: 277 [2021-10-08 16:13:13,034 INFO L226 Difference]: Without dead ends: 277 [2021-10-08 16:13:13,034 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 16:13:13,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-10-08 16:13:13,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 269. [2021-10-08 16:13:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 254 states have (on average 3.0866141732283463) internal successors, (784), 268 states have internal predecessors, (784), 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) [2021-10-08 16:13:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 784 transitions. [2021-10-08 16:13:13,046 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 784 transitions. Word has length 5 [2021-10-08 16:13:13,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:13:13,046 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 784 transitions. [2021-10-08 16:13:13,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 784 transitions. [2021-10-08 16:13:13,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 16:13:13,047 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:13:13,047 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 16:13:13,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-08 16:13:13,048 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2021-10-08 16:13:13,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:13:13,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1512044434, now seen corresponding path program 1 times [2021-10-08 16:13:13,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:13:13,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411492482] [2021-10-08 16:13:13,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:13:13,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:13:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:13:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:13:13,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:13:13,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411492482] [2021-10-08 16:13:13,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411492482] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:13:13,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569540953] [2021-10-08 16:13:13,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:13:13,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:13:13,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:13:13,118 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:13:13,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-08 16:13:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:13:13,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 16:13:13,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:13:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 16:13:13,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569540953] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 16:13:13,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 16:13:13,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-08 16:13:13,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347391029] [2021-10-08 16:13:13,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 16:13:13,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:13:13,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 16:13:13,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-08 16:13:13,217 INFO L87 Difference]: Start difference. First operand 269 states and 784 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:13,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:13:13,231 INFO L93 Difference]: Finished difference Result 121 states and 331 transitions. [2021-10-08 16:13:13,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 16:13:13,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-08 16:13:13,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:13:13,233 INFO L225 Difference]: With dead ends: 121 [2021-10-08 16:13:13,234 INFO L226 Difference]: Without dead ends: 101 [2021-10-08 16:13:13,234 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 14.3ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-08 16:13:13,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-08 16:13:13,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-08 16:13:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 2.63) internal successors, (263), 100 states have internal predecessors, (263), 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) [2021-10-08 16:13:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 263 transitions. [2021-10-08 16:13:13,239 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 263 transitions. Word has length 6 [2021-10-08 16:13:13,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:13:13,239 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 263 transitions. [2021-10-08 16:13:13,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 263 transitions. [2021-10-08 16:13:13,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 16:13:13,240 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:13:13,240 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 16:13:13,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-08 16:13:13,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:13:13,455 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2021-10-08 16:13:13,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:13:13,469 INFO L82 PathProgramCache]: Analyzing trace with hash -2045985014, now seen corresponding path program 1 times [2021-10-08 16:13:13,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:13:13,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991153782] [2021-10-08 16:13:13,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:13:13,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:13:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:13:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:13:13,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:13:13,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991153782] [2021-10-08 16:13:13,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991153782] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 16:13:13,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 16:13:13,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 16:13:13,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122417803] [2021-10-08 16:13:13,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 16:13:13,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:13:13,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 16:13:13,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 16:13:13,514 INFO L87 Difference]: Start difference. First operand 101 states and 263 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:13,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:13:13,520 INFO L93 Difference]: Finished difference Result 75 states and 184 transitions. [2021-10-08 16:13:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 16:13:13,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-08 16:13:13,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:13:13,521 INFO L225 Difference]: With dead ends: 75 [2021-10-08 16:13:13,521 INFO L226 Difference]: Without dead ends: 0 [2021-10-08 16:13:13,521 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 16:13:13,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-08 16:13:13,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-08 16:13:13,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-08 16:13:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-08 16:13:13,522 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2021-10-08 16:13:13,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:13:13,522 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-08 16:13:13,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:13:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-08 16:13:13,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-08 16:13:13,525 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,526 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,526 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,526 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,527 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,527 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,527 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,528 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,528 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,528 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,528 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,528 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,529 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-08 16:13:13,529 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-08 16:13:13,529 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-08 16:13:13,529 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,529 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,530 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,530 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,530 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,530 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,531 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,531 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,531 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,531 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:13:13,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-08 16:13:13,539 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-08 16:13:13,539 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-08 16:13:13,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 04:13:13 BasicIcfg [2021-10-08 16:13:13,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 16:13:13,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-08 16:13:13,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-08 16:13:13,542 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-08 16:13:13,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 04:13:02" (3/4) ... [2021-10-08 16:13:13,546 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-08 16:13:13,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-08 16:13:13,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-08 16:13:13,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-08 16:13:13,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-08 16:13:13,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-08 16:13:13,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 16:13:13,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 16:13:13,612 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/popl20-more-multiply-verify.wvr.c-witness.graphml [2021-10-08 16:13:13,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-08 16:13:13,614 INFO L168 Benchmark]: Toolchain (without parser) took 12168.75 ms. Allocated memory was 168.8 MB in the beginning and 203.4 MB in the end (delta: 34.6 MB). Free memory was 143.3 MB in the beginning and 169.5 MB in the end (delta: -26.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 8.0 GB. [2021-10-08 16:13:13,615 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 168.8 MB. Free memory is still 141.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 16:13:13,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.83 ms. Allocated memory is still 168.8 MB. Free memory was 142.8 MB in the beginning and 131.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-08 16:13:13,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.31 ms. Allocated memory is still 168.8 MB. Free memory was 131.8 MB in the beginning and 129.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 16:13:13,616 INFO L168 Benchmark]: Boogie Preprocessor took 37.69 ms. Allocated memory is still 168.8 MB. Free memory was 129.7 MB in the beginning and 128.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-08 16:13:13,617 INFO L168 Benchmark]: RCFGBuilder took 861.10 ms. Allocated memory is still 168.8 MB. Free memory was 128.1 MB in the beginning and 134.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. [2021-10-08 16:13:13,617 INFO L168 Benchmark]: TraceAbstraction took 10830.89 ms. Allocated memory was 168.8 MB in the beginning and 203.4 MB in the end (delta: 34.6 MB). Free memory was 134.1 MB in the beginning and 172.7 MB in the end (delta: -38.6 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 16:13:13,618 INFO L168 Benchmark]: Witness Printer took 69.93 ms. Allocated memory is still 203.4 MB. Free memory was 172.7 MB in the beginning and 169.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-08 16:13:13,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 168.8 MB. Free memory is still 141.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 296.83 ms. Allocated memory is still 168.8 MB. Free memory was 142.8 MB in the beginning and 131.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.31 ms. Allocated memory is still 168.8 MB. Free memory was 131.8 MB in the beginning and 129.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.69 ms. Allocated memory is still 168.8 MB. Free memory was 129.7 MB in the beginning and 128.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 861.10 ms. Allocated memory is still 168.8 MB. Free memory was 128.1 MB in the beginning and 134.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10830.89 ms. Allocated memory was 168.8 MB in the beginning and 203.4 MB in the end (delta: 34.6 MB). Free memory was 134.1 MB in the beginning and 172.7 MB in the end (delta: -38.6 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 69.93 ms. Allocated memory is still 203.4 MB. Free memory was 172.7 MB in the beginning and 169.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8055.3ms, 175 PlacesBefore, 44 PlacesAfterwards, 177 TransitionsBefore, 37 TransitionsAfterwards, 3812 CoEnabledTransitionPairs, 7 FixpointIterations, 81 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 5 ConcurrentYvCompositions, 9 ChoiceCompositions, 181 TotalNumberOfCompositions, 4171 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3639, positive: 3594, positive conditional: 0, positive unconditional: 3594, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2343, positive: 2330, positive conditional: 0, positive unconditional: 2330, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2343, positive: 2330, positive conditional: 0, positive unconditional: 2330, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3639, positive: 1264, positive conditional: 0, positive unconditional: 1264, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 2343, unknown conditional: 0, unknown unconditional: 2343] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 80]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 80]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 114]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 114]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 229 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 10650.3ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 14.1ms, AutomataDifference: 315.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8169.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 177 SDtfs, 243 SDslu, 126 SDs, 0 SdLazy, 50 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 86.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 61.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=555occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 160.7ms AutomataMinimizationTime, 7 MinimizatonAttempts, 990 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 56.7ms SsaConstructionTime, 244.4ms SatisfiabilityAnalysisTime, 407.2ms InterpolantComputationTime, 47 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 2 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 5/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-08 16:13:13,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...