/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-min-array.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 15:06:17,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 15:06:17,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 15:06:17,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-07 15:06:17,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-07 15:06:17,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-07 15:06:17,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-07 15:06:17,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-07 15:06:17,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-07 15:06:17,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-07 15:06:17,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-07 15:06:17,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-07 15:06:17,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-07 15:06:17,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-07 15:06:17,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-07 15:06:17,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-07 15:06:17,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-07 15:06:17,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-07 15:06:17,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-07 15:06:17,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-07 15:06:17,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-07 15:06:17,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-07 15:06:17,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-07 15:06:17,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-07 15:06:17,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-07 15:06:17,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-07 15:06:17,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-07 15:06:17,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-07 15:06:17,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-07 15:06:17,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-07 15:06:17,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-07 15:06:17,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-07 15:06:17,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-07 15:06:17,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 15:06:17,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 15:06:17,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 15:06:17,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-07 15:06:17,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 15:06:17,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 15:06:17,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 15:06:17,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 15:06:17,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 15:06:17,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 15:06:17,884 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 15:06:17,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 15:06:17,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 15:06:17,885 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 15:06:17,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 15:06:17,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 15:06:17,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 15:06:17,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-07 15:06:17,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 15:06:17,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-07 15:06:17,887 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-07 15:06:17,887 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 15:06:17,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-07 15:06:17,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 15:06:17,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-07 15:06:17,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 15:06:17,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 15:06:17,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 15:06:17,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:06:17,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 15:06:17,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 15:06:17,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-07 15:06:17,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-07 15:06:17,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-07 15:06:17,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-07 15:06:17,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 15:06:17,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 15:06:18,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 15:06:18,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 15:06:18,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 15:06:18,325 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 15:06:18,326 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 15:06:18,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2021-10-07 15:06:18,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54b0991a9/7aaeda0845ba423ea1b141e42c96059a/FLAGe3c775419 [2021-10-07 15:06:18,981 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 15:06:18,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2021-10-07 15:06:18,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54b0991a9/7aaeda0845ba423ea1b141e42c96059a/FLAGe3c775419 [2021-10-07 15:06:19,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54b0991a9/7aaeda0845ba423ea1b141e42c96059a [2021-10-07 15:06:19,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 15:06:19,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-07 15:06:19,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 15:06:19,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 15:06:19,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 15:06:19,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213006a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19, skipping insertion in model container [2021-10-07 15:06:19,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 15:06:19,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:06:19,685 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-min-array.wvr.c[2541,2554] [2021-10-07 15:06:19,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:06:19,700 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 15:06:19,725 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-min-array.wvr.c[2541,2554] [2021-10-07 15:06:19,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:06:19,745 INFO L208 MainTranslator]: Completed translation [2021-10-07 15:06:19,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19 WrapperNode [2021-10-07 15:06:19,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 15:06:19,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 15:06:19,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 15:06:19,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 15:06:19,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 15:06:19,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 15:06:19,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 15:06:19,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 15:06:19,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 15:06:19,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 15:06:19,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 15:06:19,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 15:06:19,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19" (1/1) ... [2021-10-07 15:06:19,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:06:19,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:06:19,866 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) [2021-10-07 15:06:19,890 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 [2021-10-07 15:06:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 15:06:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 15:06:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 15:06:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 15:06:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-07 15:06:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-07 15:06:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-07 15:06:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 15:06:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-07 15:06:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-07 15:06:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-07 15:06:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-07 15:06:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 15:06:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 15:06:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-07 15:06:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 15:06:19,936 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-07 15:06:20,586 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 15:06:20,586 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-10-07 15:06:20,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:06:20 BoogieIcfgContainer [2021-10-07 15:06:20,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 15:06:20,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 15:06:20,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 15:06:20,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 15:06:20,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:06:19" (1/3) ... [2021-10-07 15:06:20,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d282a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:06:20, skipping insertion in model container [2021-10-07 15:06:20,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:19" (2/3) ... [2021-10-07 15:06:20,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d282a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:06:20, skipping insertion in model container [2021-10-07 15:06:20,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:06:20" (3/3) ... [2021-10-07 15:06:20,598 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2021-10-07 15:06:20,604 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-07 15:06:20,604 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 15:06:20,604 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-10-07 15:06:20,604 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-07 15:06:20,642 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,643 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,643 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,644 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,644 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,644 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,645 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,645 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,645 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,645 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,646 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,647 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,647 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,647 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,647 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,647 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,648 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,648 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,648 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,650 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,650 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,650 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,651 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,652 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,652 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,652 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,653 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,654 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,654 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,654 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,654 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,655 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,656 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,657 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,662 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,663 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,664 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,664 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,664 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,667 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,667 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,668 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,668 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,668 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,669 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,669 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,669 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,670 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,670 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,671 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,671 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,674 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,674 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,674 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,675 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,675 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,675 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,676 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,676 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,676 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,676 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,677 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,681 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,681 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,682 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,682 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,682 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,683 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,683 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,683 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,683 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,684 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,686 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,686 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,687 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,687 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,687 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,687 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,688 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,688 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,688 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,689 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,694 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,694 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,694 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,701 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,701 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,702 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,702 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,702 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,702 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,711 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,711 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,711 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,712 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,712 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,712 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,716 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,716 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,716 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,717 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,717 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,717 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:06:20,731 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-07 15:06:20,820 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-07 15:06:20,832 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 [2021-10-07 15:06:20,834 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2021-10-07 15:06:20,869 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-07 15:06:20,881 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 154 transitions, 332 flow [2021-10-07 15:06:20,885 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 154 transitions, 332 flow [2021-10-07 15:06:20,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 154 transitions, 332 flow [2021-10-07 15:06:20,992 INFO L129 PetriNetUnfolder]: 12/151 cut-off events. [2021-10-07 15:06:20,992 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-07 15:06:20,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 151 events. 12/151 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 132 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 113. Up to 2 conditions per place. [2021-10-07 15:06:21,002 INFO L116 LiptonReduction]: Number of co-enabled transitions 2184 [2021-10-07 15:06:28,974 INFO L131 LiptonReduction]: Checked pairs total: 2920 [2021-10-07 15:06:28,974 INFO L133 LiptonReduction]: Total number of compositions: 160 [2021-10-07 15:06:28,991 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 35 transitions, 94 flow [2021-10-07 15:06:29,053 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 369 states, 341 states have (on average 3.530791788856305) internal successors, (1204), 368 states have internal predecessors, (1204), 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) [2021-10-07 15:06:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 341 states have (on average 3.530791788856305) internal successors, (1204), 368 states have internal predecessors, (1204), 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) [2021-10-07 15:06:29,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:06:29,064 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:29,064 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:06:29,065 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:29,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:29,071 INFO L82 PathProgramCache]: Analyzing trace with hash 20804, now seen corresponding path program 1 times [2021-10-07 15:06:29,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:29,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339987945] [2021-10-07 15:06:29,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:29,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:06:29,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:29,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339987945] [2021-10-07 15:06:29,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339987945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:06:29,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:06:29,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-07 15:06:29,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133349201] [2021-10-07 15:06:29,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:06:29,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:29,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:06:29,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:06:29,359 INFO L87 Difference]: Start difference. First operand has 369 states, 341 states have (on average 3.530791788856305) internal successors, (1204), 368 states have internal predecessors, (1204), 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) [2021-10-07 15:06:29,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:29,427 INFO L93 Difference]: Finished difference Result 735 states and 2405 transitions. [2021-10-07 15:06:29,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:06:29,429 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 [2021-10-07 15:06:29,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:29,456 INFO L225 Difference]: With dead ends: 735 [2021-10-07 15:06:29,456 INFO L226 Difference]: Without dead ends: 735 [2021-10-07 15:06:29,458 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:06:29,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2021-10-07 15:06:29,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 370. [2021-10-07 15:06:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 342 states have (on average 3.526315789473684) internal successors, (1206), 369 states have internal predecessors, (1206), 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) [2021-10-07 15:06:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 1206 transitions. [2021-10-07 15:06:29,569 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 1206 transitions. Word has length 2 [2021-10-07 15:06:29,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:29,570 INFO L470 AbstractCegarLoop]: Abstraction has 370 states and 1206 transitions. [2021-10-07 15:06:29,570 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) [2021-10-07 15:06:29,570 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1206 transitions. [2021-10-07 15:06:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-07 15:06:29,571 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:29,571 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-07 15:06:29,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-07 15:06:29,572 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:29,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:29,573 INFO L82 PathProgramCache]: Analyzing trace with hash 646012, now seen corresponding path program 1 times [2021-10-07 15:06:29,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:29,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107203666] [2021-10-07 15:06:29,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:29,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:06:29,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:29,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107203666] [2021-10-07 15:06:29,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107203666] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:29,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722966043] [2021-10-07 15:06:29,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:29,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:29,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:06:29,658 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) [2021-10-07 15:06:29,670 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 [2021-10-07 15:06:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:29,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:06:29,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:06:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:06:29,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722966043] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:29,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:06:29,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-10-07 15:06:29,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4171174] [2021-10-07 15:06:29,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:06:29,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:29,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:06:29,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:29,784 INFO L87 Difference]: Start difference. First operand 370 states and 1206 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) [2021-10-07 15:06:29,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:29,829 INFO L93 Difference]: Finished difference Result 1101 states and 3607 transitions. [2021-10-07 15:06:29,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 15:06:29,830 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 [2021-10-07 15:06:29,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:29,843 INFO L225 Difference]: With dead ends: 1101 [2021-10-07 15:06:29,843 INFO L226 Difference]: Without dead ends: 1101 [2021-10-07 15:06:29,844 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 [2021-10-07 15:06:29,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2021-10-07 15:06:29,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 371. [2021-10-07 15:06:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 343 states have (on average 3.5247813411078717) internal successors, (1209), 370 states have internal predecessors, (1209), 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) [2021-10-07 15:06:29,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 1209 transitions. [2021-10-07 15:06:29,879 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 1209 transitions. Word has length 3 [2021-10-07 15:06:29,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:29,879 INFO L470 AbstractCegarLoop]: Abstraction has 371 states and 1209 transitions. [2021-10-07 15:06:29,879 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) [2021-10-07 15:06:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 1209 transitions. [2021-10-07 15:06:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-07 15:06:29,880 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:29,880 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-07 15:06:29,932 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 [2021-10-07 15:06:30,096 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 [2021-10-07 15:06:30,098 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:30,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:30,099 INFO L82 PathProgramCache]: Analyzing trace with hash 646029, now seen corresponding path program 1 times [2021-10-07 15:06:30,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:30,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470621568] [2021-10-07 15:06:30,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:30,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:06:30,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:30,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470621568] [2021-10-07 15:06:30,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470621568] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:30,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441199869] [2021-10-07 15:06:30,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:30,151 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:30,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:06:30,152 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) [2021-10-07 15:06:30,170 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 [2021-10-07 15:06:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:30,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:06:30,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:06:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:06:30,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441199869] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:06:30,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:06:30,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2021-10-07 15:06:30,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550263791] [2021-10-07 15:06:30,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:06:30,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:30,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:06:30,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:30,262 INFO L87 Difference]: Start difference. First operand 371 states and 1209 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) [2021-10-07 15:06:30,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:30,289 INFO L93 Difference]: Finished difference Result 735 states and 2406 transitions. [2021-10-07 15:06:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:06:30,289 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 [2021-10-07 15:06:30,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:30,296 INFO L225 Difference]: With dead ends: 735 [2021-10-07 15:06:30,296 INFO L226 Difference]: Without dead ends: 735 [2021-10-07 15:06:30,297 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:30,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2021-10-07 15:06:30,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 370. [2021-10-07 15:06:30,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 343 states have (on average 3.5189504373177845) internal successors, (1207), 369 states have internal predecessors, (1207), 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) [2021-10-07 15:06:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 1207 transitions. [2021-10-07 15:06:30,322 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 1207 transitions. Word has length 3 [2021-10-07 15:06:30,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:30,322 INFO L470 AbstractCegarLoop]: Abstraction has 370 states and 1207 transitions. [2021-10-07 15:06:30,322 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) [2021-10-07 15:06:30,323 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1207 transitions. [2021-10-07 15:06:30,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 15:06:30,323 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:30,323 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-07 15:06:30,359 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 [2021-10-07 15:06:30,536 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 [2021-10-07 15:06:30,537 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:30,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:30,538 INFO L82 PathProgramCache]: Analyzing trace with hash 20027460, now seen corresponding path program 2 times [2021-10-07 15:06:30,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:30,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887464153] [2021-10-07 15:06:30,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:30,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:30,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:06:30,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:30,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887464153] [2021-10-07 15:06:30,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887464153] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:30,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780811803] [2021-10-07 15:06:30,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-07 15:06:30,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:30,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:06:30,630 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) [2021-10-07 15:06:30,633 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 [2021-10-07 15:06:30,690 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-07 15:06:30,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-07 15:06:30,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-07 15:06:30,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:06:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-07 15:06:30,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780811803] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:06:30,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:06:30,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-07 15:06:30,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557736031] [2021-10-07 15:06:30,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:06:30,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:30,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:06:30,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:06:30,721 INFO L87 Difference]: Start difference. First operand 370 states and 1207 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) [2021-10-07 15:06:30,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:30,732 INFO L93 Difference]: Finished difference Result 369 states and 1206 transitions. [2021-10-07 15:06:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:06:30,732 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 [2021-10-07 15:06:30,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:30,736 INFO L225 Difference]: With dead ends: 369 [2021-10-07 15:06:30,736 INFO L226 Difference]: Without dead ends: 369 [2021-10-07 15:06:30,737 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 14.5ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:06:30,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-10-07 15:06:30,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2021-10-07 15:06:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 341 states have (on average 3.5249266862170088) internal successors, (1202), 366 states have internal predecessors, (1202), 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) [2021-10-07 15:06:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 1202 transitions. [2021-10-07 15:06:30,776 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 1202 transitions. Word has length 4 [2021-10-07 15:06:30,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:30,776 INFO L470 AbstractCegarLoop]: Abstraction has 367 states and 1202 transitions. [2021-10-07 15:06:30,776 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) [2021-10-07 15:06:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1202 transitions. [2021-10-07 15:06:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:06:30,777 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:30,777 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:06:30,816 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 [2021-10-07 15:06:30,991 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 [2021-10-07 15:06:30,993 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:30,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:30,994 INFO L82 PathProgramCache]: Analyzing trace with hash 620936576, now seen corresponding path program 1 times [2021-10-07 15:06:30,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:30,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64687146] [2021-10-07 15:06:30,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:30,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:06:31,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:31,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64687146] [2021-10-07 15:06:31,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64687146] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:06:31,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:06:31,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-07 15:06:31,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305549387] [2021-10-07 15:06:31,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:06:31,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:31,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:06:31,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:06:31,039 INFO L87 Difference]: Start difference. First operand 367 states and 1202 transitions. Second operand has 3 states, 2 states have (on average 2.5) 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) [2021-10-07 15:06:31,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:31,058 INFO L93 Difference]: Finished difference Result 545 states and 1773 transitions. [2021-10-07 15:06:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:06:31,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) 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 [2021-10-07 15:06:31,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:31,064 INFO L225 Difference]: With dead ends: 545 [2021-10-07 15:06:31,064 INFO L226 Difference]: Without dead ends: 545 [2021-10-07 15:06:31,065 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:06:31,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-10-07 15:06:31,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 429. [2021-10-07 15:06:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 403 states have (on average 3.6501240694789083) internal successors, (1471), 428 states have internal predecessors, (1471), 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) [2021-10-07 15:06:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 1471 transitions. [2021-10-07 15:06:31,087 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 1471 transitions. Word has length 5 [2021-10-07 15:06:31,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:31,087 INFO L470 AbstractCegarLoop]: Abstraction has 429 states and 1471 transitions. [2021-10-07 15:06:31,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) 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) [2021-10-07 15:06:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1471 transitions. [2021-10-07 15:06:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-07 15:06:31,088 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:31,088 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-07 15:06:31,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-07 15:06:31,089 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:31,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:31,089 INFO L82 PathProgramCache]: Analyzing trace with hash 2069165792, now seen corresponding path program 1 times [2021-10-07 15:06:31,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:31,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185584097] [2021-10-07 15:06:31,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:31,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:31,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:06:31,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:31,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185584097] [2021-10-07 15:06:31,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185584097] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:31,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191372424] [2021-10-07 15:06:31,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:31,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:31,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:06:31,167 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) [2021-10-07 15:06:31,169 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 [2021-10-07 15:06:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:31,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-07 15:06:31,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:06:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:06:31,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191372424] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:06:31,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:06:31,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2021-10-07 15:06:31,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316060496] [2021-10-07 15:06:31,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:06:31,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:31,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:06:31,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-07 15:06:31,298 INFO L87 Difference]: Start difference. First operand 429 states and 1471 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 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) [2021-10-07 15:06:31,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:31,334 INFO L93 Difference]: Finished difference Result 430 states and 1472 transitions. [2021-10-07 15:06:31,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:06:31,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 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 [2021-10-07 15:06:31,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:31,340 INFO L225 Difference]: With dead ends: 430 [2021-10-07 15:06:31,341 INFO L226 Difference]: Without dead ends: 430 [2021-10-07 15:06:31,341 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 23.0ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-07 15:06:31,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-10-07 15:06:31,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2021-10-07 15:06:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 404 states have (on average 3.6435643564356437) internal successors, (1472), 429 states have internal predecessors, (1472), 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) [2021-10-07 15:06:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 1472 transitions. [2021-10-07 15:06:31,360 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 1472 transitions. Word has length 6 [2021-10-07 15:06:31,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:31,361 INFO L470 AbstractCegarLoop]: Abstraction has 430 states and 1472 transitions. [2021-10-07 15:06:31,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 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) [2021-10-07 15:06:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1472 transitions. [2021-10-07 15:06:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:06:31,362 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:31,362 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:06:31,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-07 15:06:31,575 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 [2021-10-07 15:06:31,576 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:31,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:31,577 INFO L82 PathProgramCache]: Analyzing trace with hash -358701800, now seen corresponding path program 1 times [2021-10-07 15:06:31,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:31,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706462125] [2021-10-07 15:06:31,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:31,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:06:31,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:31,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706462125] [2021-10-07 15:06:31,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706462125] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:31,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298238290] [2021-10-07 15:06:31,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:31,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:31,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:06:31,624 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 15:06:31,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-07 15:06:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:31,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:06:31,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:06:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:06:31,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298238290] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:31,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:06:31,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-10-07 15:06:31,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088832224] [2021-10-07 15:06:31,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:06:31,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:31,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:06:31,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:31,729 INFO L87 Difference]: Start difference. First operand 430 states and 1472 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-10-07 15:06:31,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:31,758 INFO L93 Difference]: Finished difference Result 724 states and 2407 transitions. [2021-10-07 15:06:31,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 15:06:31,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 7 [2021-10-07 15:06:31,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:31,766 INFO L225 Difference]: With dead ends: 724 [2021-10-07 15:06:31,766 INFO L226 Difference]: Without dead ends: 724 [2021-10-07 15:06:31,767 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:31,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2021-10-07 15:06:31,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 492. [2021-10-07 15:06:31,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 466 states have (on average 3.869098712446352) internal successors, (1803), 491 states have internal predecessors, (1803), 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) [2021-10-07 15:06:31,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 1803 transitions. [2021-10-07 15:06:31,790 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 1803 transitions. Word has length 7 [2021-10-07 15:06:31,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:31,791 INFO L470 AbstractCegarLoop]: Abstraction has 492 states and 1803 transitions. [2021-10-07 15:06:31,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-10-07 15:06:31,792 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 1803 transitions. [2021-10-07 15:06:31,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:06:31,792 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:31,792 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:06:31,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-07 15:06:32,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:32,006 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:32,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:32,007 INFO L82 PathProgramCache]: Analyzing trace with hash -358701799, now seen corresponding path program 1 times [2021-10-07 15:06:32,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:32,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002321544] [2021-10-07 15:06:32,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:32,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:06:32,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:32,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002321544] [2021-10-07 15:06:32,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002321544] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:32,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037513711] [2021-10-07 15:06:32,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:32,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:32,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:06:32,089 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 15:06:32,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-07 15:06:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:32,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:06:32,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:06:32,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:06:32,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037513711] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:06:32,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:06:32,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-07 15:06:32,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318075265] [2021-10-07 15:06:32,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:06:32,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:32,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:06:32,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:32,179 INFO L87 Difference]: Start difference. First operand 492 states and 1803 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-10-07 15:06:32,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:32,196 INFO L93 Difference]: Finished difference Result 546 states and 1834 transitions. [2021-10-07 15:06:32,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:06:32,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2021-10-07 15:06:32,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:32,202 INFO L225 Difference]: With dead ends: 546 [2021-10-07 15:06:32,202 INFO L226 Difference]: Without dead ends: 546 [2021-10-07 15:06:32,203 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:32,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2021-10-07 15:06:32,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 430. [2021-10-07 15:06:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 413 states have (on average 3.709443099273608) internal successors, (1532), 429 states have internal predecessors, (1532), 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) [2021-10-07 15:06:32,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 1532 transitions. [2021-10-07 15:06:32,222 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 1532 transitions. Word has length 7 [2021-10-07 15:06:32,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:32,222 INFO L470 AbstractCegarLoop]: Abstraction has 430 states and 1532 transitions. [2021-10-07 15:06:32,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-10-07 15:06:32,223 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1532 transitions. [2021-10-07 15:06:32,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:06:32,223 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:32,223 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:06:32,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-07 15:06:32,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:32,437 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:32,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:32,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1770028135, now seen corresponding path program 1 times [2021-10-07 15:06:32,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:32,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310926087] [2021-10-07 15:06:32,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:32,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:06:32,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:32,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310926087] [2021-10-07 15:06:32,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310926087] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:06:32,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:06:32,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-07 15:06:32,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617291655] [2021-10-07 15:06:32,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:06:32,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:32,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:06:32,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:06:32,472 INFO L87 Difference]: Start difference. First operand 430 states and 1532 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2021-10-07 15:06:32,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:32,488 INFO L93 Difference]: Finished difference Result 598 states and 2131 transitions. [2021-10-07 15:06:32,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:06:32,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 [2021-10-07 15:06:32,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:32,495 INFO L225 Difference]: With dead ends: 598 [2021-10-07 15:06:32,495 INFO L226 Difference]: Without dead ends: 598 [2021-10-07 15:06:32,495 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:06:32,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2021-10-07 15:06:32,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 512. [2021-10-07 15:06:32,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 495 states have (on average 3.8585858585858586) internal successors, (1910), 511 states have internal predecessors, (1910), 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) [2021-10-07 15:06:32,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 1910 transitions. [2021-10-07 15:06:32,517 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 1910 transitions. Word has length 8 [2021-10-07 15:06:32,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:32,517 INFO L470 AbstractCegarLoop]: Abstraction has 512 states and 1910 transitions. [2021-10-07 15:06:32,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2021-10-07 15:06:32,518 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1910 transitions. [2021-10-07 15:06:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:06:32,518 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:32,518 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-07 15:06:32,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-07 15:06:32,519 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:32,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:32,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1765147208, now seen corresponding path program 2 times [2021-10-07 15:06:32,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:32,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141690663] [2021-10-07 15:06:32,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:32,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:06:32,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:32,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141690663] [2021-10-07 15:06:32,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141690663] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:32,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070390253] [2021-10-07 15:06:32,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-07 15:06:32,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:32,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:06:32,590 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 15:06:32,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-07 15:06:32,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-07 15:06:32,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-07 15:06:32,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:06:32,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:06:32,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-07 15:06:32,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070390253] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:06:32,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:06:32,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [6] total 7 [2021-10-07 15:06:32,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205282485] [2021-10-07 15:06:32,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:06:32,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:32,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:06:32,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-07 15:06:32,679 INFO L87 Difference]: Start difference. First operand 512 states and 1910 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-10-07 15:06:32,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:32,694 INFO L93 Difference]: Finished difference Result 364 states and 1362 transitions. [2021-10-07 15:06:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:06:32,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 [2021-10-07 15:06:32,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:32,699 INFO L225 Difference]: With dead ends: 364 [2021-10-07 15:06:32,699 INFO L226 Difference]: Without dead ends: 356 [2021-10-07 15:06:32,699 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 27.9ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-07 15:06:32,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-07 15:06:32,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 236. [2021-10-07 15:06:32,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 231 states have (on average 3.411255411255411) internal successors, (788), 235 states have internal predecessors, (788), 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) [2021-10-07 15:06:32,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 788 transitions. [2021-10-07 15:06:32,712 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 788 transitions. Word has length 8 [2021-10-07 15:06:32,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:32,713 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 788 transitions. [2021-10-07 15:06:32,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-10-07 15:06:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 788 transitions. [2021-10-07 15:06:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:06:32,714 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:32,714 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:06:32,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-07 15:06:32,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-07 15:06:32,928 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:32,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:32,929 INFO L82 PathProgramCache]: Analyzing trace with hash -963701039, now seen corresponding path program 1 times [2021-10-07 15:06:32,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:32,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531057122] [2021-10-07 15:06:32,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:32,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:06:32,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:32,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531057122] [2021-10-07 15:06:33,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531057122] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:33,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797929981] [2021-10-07 15:06:33,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:33,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:33,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:06:33,006 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 15:06:33,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-07 15:06:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:33,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:06:33,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:06:33,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:06:33,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797929981] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:33,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:06:33,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-10-07 15:06:33,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573168555] [2021-10-07 15:06:33,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:06:33,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:33,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:06:33,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:33,123 INFO L87 Difference]: Start difference. First operand 236 states and 788 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:06:33,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:33,144 INFO L93 Difference]: Finished difference Result 346 states and 1144 transitions. [2021-10-07 15:06:33,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 15:06:33,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-07 15:06:33,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:33,148 INFO L225 Difference]: With dead ends: 346 [2021-10-07 15:06:33,149 INFO L226 Difference]: Without dead ends: 346 [2021-10-07 15:06:33,149 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:33,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-07 15:06:33,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 274. [2021-10-07 15:06:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 269 states have (on average 3.650557620817844) internal successors, (982), 273 states have internal predecessors, (982), 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) [2021-10-07 15:06:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 982 transitions. [2021-10-07 15:06:33,162 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 982 transitions. Word has length 9 [2021-10-07 15:06:33,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:33,163 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 982 transitions. [2021-10-07 15:06:33,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:06:33,163 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 982 transitions. [2021-10-07 15:06:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:06:33,164 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:33,164 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:06:33,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-07 15:06:33,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-07 15:06:33,378 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:33,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:33,379 INFO L82 PathProgramCache]: Analyzing trace with hash -963701019, now seen corresponding path program 1 times [2021-10-07 15:06:33,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:33,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331568617] [2021-10-07 15:06:33,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:33,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:06:33,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:33,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331568617] [2021-10-07 15:06:33,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331568617] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:33,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508622427] [2021-10-07 15:06:33,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:33,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:33,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:06:33,424 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 15:06:33,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-07 15:06:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:33,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:06:33,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:06:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:06:33,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508622427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:06:33,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:06:33,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-07 15:06:33,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936062275] [2021-10-07 15:06:33,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:06:33,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:33,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:06:33,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:33,529 INFO L87 Difference]: Start difference. First operand 274 states and 982 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-07 15:06:33,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:33,542 INFO L93 Difference]: Finished difference Result 272 states and 899 transitions. [2021-10-07 15:06:33,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:06:33,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2021-10-07 15:06:33,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:33,545 INFO L225 Difference]: With dead ends: 272 [2021-10-07 15:06:33,545 INFO L226 Difference]: Without dead ends: 272 [2021-10-07 15:06:33,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:33,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-10-07 15:06:33,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 236. [2021-10-07 15:06:33,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 233 states have (on average 3.5107296137339055) internal successors, (818), 235 states have internal predecessors, (818), 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) [2021-10-07 15:06:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 818 transitions. [2021-10-07 15:06:33,555 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 818 transitions. Word has length 9 [2021-10-07 15:06:33,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:33,555 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 818 transitions. [2021-10-07 15:06:33,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-07 15:06:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 818 transitions. [2021-10-07 15:06:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-07 15:06:33,556 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:33,556 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:06:33,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-07 15:06:33,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:33,771 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:33,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:33,772 INFO L82 PathProgramCache]: Analyzing trace with hash 190040487, now seen corresponding path program 2 times [2021-10-07 15:06:33,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:33,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408973060] [2021-10-07 15:06:33,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:33,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:33,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:06:33,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:33,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408973060] [2021-10-07 15:06:33,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408973060] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:06:33,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677631287] [2021-10-07 15:06:33,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-07 15:06:33,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:06:33,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:06:33,835 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 15:06:33,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-07 15:06:33,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-07 15:06:33,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-07 15:06:33,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:06:33,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:06:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-07 15:06:33,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677631287] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:06:33,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:06:33,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [4] total 5 [2021-10-07 15:06:33,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804122120] [2021-10-07 15:06:33,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:06:33,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:33,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:06:33,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:06:33,937 INFO L87 Difference]: Start difference. First operand 236 states and 818 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-10-07 15:06:33,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:33,944 INFO L93 Difference]: Finished difference Result 198 states and 692 transitions. [2021-10-07 15:06:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:06:33,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 10 [2021-10-07 15:06:33,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:33,947 INFO L225 Difference]: With dead ends: 198 [2021-10-07 15:06:33,947 INFO L226 Difference]: Without dead ends: 166 [2021-10-07 15:06:33,947 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:06:33,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-10-07 15:06:33,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 106. [2021-10-07 15:06:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 3.104761904761905) internal successors, (326), 105 states have internal predecessors, (326), 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) [2021-10-07 15:06:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 326 transitions. [2021-10-07 15:06:33,953 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 326 transitions. Word has length 10 [2021-10-07 15:06:33,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:33,953 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 326 transitions. [2021-10-07 15:06:33,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-10-07 15:06:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 326 transitions. [2021-10-07 15:06:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-07 15:06:33,956 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:06:33,956 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:06:33,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-07 15:06:34,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-07 15:06:34,170 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2021-10-07 15:06:34,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:06:34,171 INFO L82 PathProgramCache]: Analyzing trace with hash 194751013, now seen corresponding path program 1 times [2021-10-07 15:06:34,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:06:34,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856921063] [2021-10-07 15:06:34,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:06:34,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:06:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:06:34,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-07 15:06:34,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:06:34,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856921063] [2021-10-07 15:06:34,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856921063] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:06:34,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:06:34,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-07 15:06:34,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643484963] [2021-10-07 15:06:34,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:06:34,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:06:34,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:06:34,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:06:34,204 INFO L87 Difference]: Start difference. First operand 106 states and 326 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:06:34,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:06:34,221 INFO L93 Difference]: Finished difference Result 80 states and 241 transitions. [2021-10-07 15:06:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:06:34,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-07 15:06:34,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:06:34,222 INFO L225 Difference]: With dead ends: 80 [2021-10-07 15:06:34,222 INFO L226 Difference]: Without dead ends: 0 [2021-10-07 15:06:34,222 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:06:34,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-07 15:06:34,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-07 15:06:34,223 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) [2021-10-07 15:06:34,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-07 15:06:34,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2021-10-07 15:06:34,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:06:34,223 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-07 15:06:34,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:06:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-07 15:06:34,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-07 15:06:34,226 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,227 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,227 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,227 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,227 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,228 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,228 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,228 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,228 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-07 15:06:34,228 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-07 15:06:34,228 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-07 15:06:34,229 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,229 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,229 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,229 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,229 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,229 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:06:34,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-07 15:06:34,236 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-07 15:06:34,236 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-07 15:06:34,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:06:34 BasicIcfg [2021-10-07 15:06:34,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-07 15:06:34,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-07 15:06:34,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-07 15:06:34,239 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-07 15:06:34,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:06:20" (3/4) ... [2021-10-07 15:06:34,242 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-07 15:06:34,247 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-07 15:06:34,247 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-07 15:06:34,248 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-07 15:06:34,253 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-07 15:06:34,253 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-07 15:06:34,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-07 15:06:34,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-07 15:06:34,311 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/popl20-more-min-array.wvr.c-witness.graphml [2021-10-07 15:06:34,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-07 15:06:34,313 INFO L168 Benchmark]: Toolchain (without parser) took 14942.47 ms. Allocated memory was 160.4 MB in the beginning and 231.7 MB in the end (delta: 71.3 MB). Free memory was 134.1 MB in the beginning and 141.0 MB in the end (delta: -6.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 8.0 GB. [2021-10-07 15:06:34,313 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 160.4 MB. Free memory is still 129.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 15:06:34,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.51 ms. Allocated memory is still 160.4 MB. Free memory was 133.7 MB in the beginning and 123.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-07 15:06:34,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.24 ms. Allocated memory is still 160.4 MB. Free memory was 122.8 MB in the beginning and 121.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:06:34,315 INFO L168 Benchmark]: Boogie Preprocessor took 32.85 ms. Allocated memory is still 160.4 MB. Free memory was 121.1 MB in the beginning and 119.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-07 15:06:34,317 INFO L168 Benchmark]: RCFGBuilder took 763.72 ms. Allocated memory is still 160.4 MB. Free memory was 119.7 MB in the beginning and 135.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 8.0 GB. [2021-10-07 15:06:34,318 INFO L168 Benchmark]: TraceAbstraction took 13647.04 ms. Allocated memory was 160.4 MB in the beginning and 231.7 MB in the end (delta: 71.3 MB). Free memory was 134.6 MB in the beginning and 144.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 62.2 MB. Max. memory is 8.0 GB. [2021-10-07 15:06:34,318 INFO L168 Benchmark]: Witness Printer took 72.13 ms. Allocated memory is still 231.7 MB. Free memory was 144.2 MB in the beginning and 141.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:06:34,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 160.4 MB. Free memory is still 129.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 367.51 ms. Allocated memory is still 160.4 MB. Free memory was 133.7 MB in the beginning and 123.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.24 ms. Allocated memory is still 160.4 MB. Free memory was 122.8 MB in the beginning and 121.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.85 ms. Allocated memory is still 160.4 MB. Free memory was 121.1 MB in the beginning and 119.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 763.72 ms. Allocated memory is still 160.4 MB. Free memory was 119.7 MB in the beginning and 135.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13647.04 ms. Allocated memory was 160.4 MB in the beginning and 231.7 MB in the end (delta: 71.3 MB). Free memory was 134.6 MB in the beginning and 144.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 62.2 MB. Max. memory is 8.0 GB. * Witness Printer took 72.13 ms. Allocated memory is still 231.7 MB. Free memory was 144.2 MB in the beginning and 141.0 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: 8089.1ms, 152 PlacesBefore, 41 PlacesAfterwards, 154 TransitionsBefore, 35 TransitionsAfterwards, 2184 CoEnabledTransitionPairs, 7 FixpointIterations, 83 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 160 TotalNumberOfCompositions, 2920 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2525, positive: 2486, positive conditional: 0, positive unconditional: 2486, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1486, positive: 1471, positive conditional: 0, positive unconditional: 1471, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1486, positive: 1471, positive conditional: 0, positive unconditional: 1471, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2525, positive: 1015, positive conditional: 0, positive unconditional: 1015, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 1486, unknown conditional: 0, unknown unconditional: 1486] , Statistics on independence cache: Total cache size (in pairs): 92, Positive cache size: 90, Positive conditional cache size: 0, Positive unconditional cache size: 90, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - 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: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: 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, 185 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 13417.8ms, OverallIterations: 14, TraceHistogramMax: 2, EmptinessCheckTime: 20.0ms, AutomataDifference: 484.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8218.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 481 SDtfs, 460 SDslu, 422 SDs, 0 SdLazy, 124 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 137.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 134.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=512occurred in iteration=9, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 337.0ms AutomataMinimizationTime, 14 MinimizatonAttempts, 2300 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 121.6ms SsaConstructionTime, 458.1ms SatisfiabilityAnalysisTime, 808.5ms InterpolantComputationTime, 157 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1012 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 24 InterpolantComputations, 11 PerfectInterpolantSequences, 28/46 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-07 15:06:34,358 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...