/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/chl/name-comparator-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 16:17:24,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 16:17:24,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 16:17:24,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-06 16:17:24,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-06 16:17:24,696 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 16:17:24,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 16:17:24,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 16:17:24,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 16:17:24,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 16:17:24,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 16:17:24,699 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 16:17:24,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 16:17:24,699 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 16:17:24,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-06 16:17:24,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 16:17:24,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 16:17:24,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 16:17:24,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-06 16:17:24,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 16:17:24,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-06 16:17:24,701 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-06 16:17:24,702 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 16:17:24,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-06 16:17:24,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 16:17:24,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-06 16:17:24,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 16:17:24,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 16:17:24,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 16:17:24,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:17:24,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 16:17:24,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 16:17:24,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-06 16:17:24,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 16:17:24,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 16:17:24,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-06 16:17:24,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-06 16:17:24,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 16:17:25,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 16:17:25,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 16:17:25,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 16:17:25,194 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 16:17:25,194 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 16:17:25,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/name-comparator-subst.wvr.c [2021-10-06 16:17:25,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/040bfef50/385d7eba87124ba09af0676359b3d9f1/FLAGf1ca712e8 [2021-10-06 16:17:25,910 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 16:17:25,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/name-comparator-subst.wvr.c [2021-10-06 16:17:25,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/040bfef50/385d7eba87124ba09af0676359b3d9f1/FLAGf1ca712e8 [2021-10-06 16:17:26,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/040bfef50/385d7eba87124ba09af0676359b3d9f1 [2021-10-06 16:17:26,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 16:17:26,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-06 16:17:26,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 16:17:26,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 16:17:26,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 16:17:26,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716e4886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26, skipping insertion in model container [2021-10-06 16:17:26,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 16:17:26,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 16:17:26,552 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/chl/name-comparator-subst.wvr.c[5166,5179] [2021-10-06 16:17:26,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:17:26,585 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 16:17:26,668 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/chl/name-comparator-subst.wvr.c[5166,5179] [2021-10-06 16:17:26,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:17:26,703 INFO L208 MainTranslator]: Completed translation [2021-10-06 16:17:26,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26 WrapperNode [2021-10-06 16:17:26,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 16:17:26,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 16:17:26,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 16:17:26,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 16:17:26,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 16:17:26,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 16:17:26,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 16:17:26,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 16:17:26,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 16:17:26,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 16:17:26,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 16:17:26,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 16:17:26,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26" (1/1) ... [2021-10-06 16:17:26,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:17:26,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:26,950 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) [2021-10-06 16:17:26,977 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 [2021-10-06 16:17:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 16:17:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 16:17:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 16:17:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 16:17:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 16:17:27,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 16:17:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 16:17:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 16:17:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 16:17:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-06 16:17:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-06 16:17:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-06 16:17:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 16:17:27,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 16:17:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 16:17:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 16:17:27,033 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 16:17:28,490 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 16:17:28,491 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-06 16:17:28,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:28 BoogieIcfgContainer [2021-10-06 16:17:28,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 16:17:28,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 16:17:28,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 16:17:28,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 16:17:28,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 04:17:26" (1/3) ... [2021-10-06 16:17:28,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba05578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:17:28, skipping insertion in model container [2021-10-06 16:17:28,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:26" (2/3) ... [2021-10-06 16:17:28,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba05578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:17:28, skipping insertion in model container [2021-10-06 16:17:28,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:28" (3/3) ... [2021-10-06 16:17:28,504 INFO L111 eAbstractionObserver]: Analyzing ICFG name-comparator-subst.wvr.c [2021-10-06 16:17:28,511 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-06 16:17:28,511 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 16:17:28,511 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-10-06 16:17:28,511 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 16:17:28,557 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,557 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,557 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,558 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,558 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,558 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,559 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,559 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,559 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,559 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,560 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,560 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,560 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,560 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,561 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,561 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,561 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,561 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,561 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,562 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,562 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,562 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,563 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,563 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,563 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,563 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,563 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,564 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,564 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,564 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,564 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,565 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,565 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,565 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,565 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,565 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,566 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,566 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,566 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,566 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,566 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,566 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,567 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,567 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,567 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,567 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,567 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,568 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,568 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,568 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,568 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,568 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,569 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,569 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,569 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,570 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,570 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,570 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,570 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,570 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,571 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,571 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,571 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,572 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,572 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,572 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,572 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,572 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,573 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,573 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,573 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,574 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,574 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,574 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,574 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,574 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,575 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,575 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,576 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,576 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,576 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,577 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,577 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,577 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,577 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,578 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,578 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,578 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,578 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,579 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,579 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,579 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,579 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,580 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,580 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,580 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,580 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,581 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,581 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,581 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,582 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,582 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,582 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,582 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,582 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,583 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,583 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,583 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,583 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,584 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,584 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,584 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,584 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,584 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,585 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,585 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,585 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,585 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,585 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,586 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,586 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,586 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,586 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,586 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,587 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,587 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,587 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,587 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,587 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,588 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,588 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,588 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,589 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,589 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,589 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,589 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,589 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,590 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,590 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,590 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,591 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,591 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,591 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,591 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,591 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,592 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,592 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,592 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,592 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,593 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,593 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,593 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,593 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,593 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,594 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,594 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,595 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,595 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,595 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,596 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,596 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,596 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,596 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,597 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,597 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,597 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,597 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,597 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,598 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,598 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,598 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,598 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,599 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,599 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,599 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,600 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,600 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,600 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,600 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,601 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,601 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,601 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,601 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,601 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,602 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,602 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,602 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,602 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,602 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,603 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,603 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,603 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,603 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,603 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,604 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,604 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,604 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,604 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,604 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,605 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,605 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,605 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,605 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,605 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,605 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,606 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,606 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,606 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,606 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,606 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,611 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,613 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,613 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,613 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,614 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,614 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,614 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,614 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,614 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,615 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,615 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,615 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,617 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,617 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,617 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,621 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,621 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,624 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,624 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,624 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,624 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,626 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,627 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,627 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,627 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,627 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,627 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,628 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,628 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,628 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,628 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,628 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,629 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,629 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,629 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,631 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,632 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,632 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,632 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,632 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,632 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,634 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:28,640 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-06 16:17:28,692 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-06 16:17:28,700 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 [2021-10-06 16:17:28,701 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-10-06 16:17:28,722 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-06 16:17:28,735 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 193 transitions, 410 flow [2021-10-06 16:17:28,739 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 193 transitions, 410 flow [2021-10-06 16:17:28,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 193 places, 193 transitions, 410 flow [2021-10-06 16:17:28,830 INFO L129 PetriNetUnfolder]: 10/190 cut-off events. [2021-10-06 16:17:28,830 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-06 16:17:28,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 190 events. 10/190 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 166 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2021-10-06 16:17:28,867 INFO L116 LiptonReduction]: Number of co-enabled transitions 2184 [2021-10-06 16:17:43,385 INFO L131 LiptonReduction]: Checked pairs total: 2505 [2021-10-06 16:17:43,385 INFO L133 LiptonReduction]: Total number of compositions: 185 [2021-10-06 16:17:43,403 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 43 transitions, 110 flow [2021-10-06 16:17:43,497 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 911 states, 783 states have (on average 3.8773946360153255) internal successors, (3036), 910 states have internal predecessors, (3036), 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) [2021-10-06 16:17:43,502 INFO L276 IsEmpty]: Start isEmpty. Operand has 911 states, 783 states have (on average 3.8773946360153255) internal successors, (3036), 910 states have internal predecessors, (3036), 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) [2021-10-06 16:17:43,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-10-06 16:17:43,508 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:43,509 INFO L512 BasicCegarLoop]: trace histogram [1] [2021-10-06 16:17:43,509 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:43,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:43,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1199, now seen corresponding path program 1 times [2021-10-06 16:17:43,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:43,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785526631] [2021-10-06 16:17:43,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:43,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:43,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:43,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785526631] [2021-10-06 16:17:43,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785526631] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:43,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:43,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-10-06 16:17:43,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364780731] [2021-10-06 16:17:43,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-06 16:17:43,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:43,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-06 16:17:43,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-06 16:17:43,681 INFO L87 Difference]: Start difference. First operand has 911 states, 783 states have (on average 3.8773946360153255) internal successors, (3036), 910 states have internal predecessors, (3036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-10-06 16:17:43,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:43,726 INFO L93 Difference]: Finished difference Result 599 states and 1981 transitions. [2021-10-06 16:17:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:17:43,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2021-10-06 16:17:43,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:43,755 INFO L225 Difference]: With dead ends: 599 [2021-10-06 16:17:43,756 INFO L226 Difference]: Without dead ends: 599 [2021-10-06 16:17:43,757 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-06 16:17:43,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-06 16:17:43,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2021-10-06 16:17:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 534 states have (on average 3.709737827715356) internal successors, (1981), 598 states have internal predecessors, (1981), 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) [2021-10-06 16:17:43,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1981 transitions. [2021-10-06 16:17:43,864 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1981 transitions. Word has length 1 [2021-10-06 16:17:43,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:43,865 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 1981 transitions. [2021-10-06 16:17:43,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-10-06 16:17:43,865 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1981 transitions. [2021-10-06 16:17:43,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-06 16:17:43,868 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:43,868 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-06 16:17:43,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-06 16:17:43,869 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:43,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:43,870 INFO L82 PathProgramCache]: Analyzing trace with hash 38276, now seen corresponding path program 1 times [2021-10-06 16:17:43,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:43,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285624610] [2021-10-06 16:17:43,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:43,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:44,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:44,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:44,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285624610] [2021-10-06 16:17:44,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285624610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:44,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:44,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-06 16:17:44,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380718232] [2021-10-06 16:17:44,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:44,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:44,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:44,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:44,057 INFO L87 Difference]: Start difference. First operand 599 states and 1981 transitions. 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) [2021-10-06 16:17:44,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:44,091 INFO L93 Difference]: Finished difference Result 1195 states and 3959 transitions. [2021-10-06 16:17:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:44,092 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 [2021-10-06 16:17:44,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:44,106 INFO L225 Difference]: With dead ends: 1195 [2021-10-06 16:17:44,106 INFO L226 Difference]: Without dead ends: 1195 [2021-10-06 16:17:44,107 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 [2021-10-06 16:17:44,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2021-10-06 16:17:44,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 600. [2021-10-06 16:17:44,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 535 states have (on average 3.7065420560747664) internal successors, (1983), 599 states have internal predecessors, (1983), 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) [2021-10-06 16:17:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1983 transitions. [2021-10-06 16:17:44,147 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1983 transitions. Word has length 2 [2021-10-06 16:17:44,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:44,147 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 1983 transitions. [2021-10-06 16:17:44,147 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) [2021-10-06 16:17:44,148 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1983 transitions. [2021-10-06 16:17:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-06 16:17:44,148 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:44,148 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-06 16:17:44,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-06 16:17:44,149 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:44,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:44,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1188128, now seen corresponding path program 1 times [2021-10-06 16:17:44,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:44,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207028219] [2021-10-06 16:17:44,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:44,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:44,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:44,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:44,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207028219] [2021-10-06 16:17:44,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207028219] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:44,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011471203] [2021-10-06 16:17:44,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:44,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:44,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:44,219 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) [2021-10-06 16:17:44,230 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 [2021-10-06 16:17:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:44,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-06 16:17:44,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:44,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011471203] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:44,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:44,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-10-06 16:17:44,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031111646] [2021-10-06 16:17:44,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-06 16:17:44,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:44,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-06 16:17:44,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:44,398 INFO L87 Difference]: Start difference. First operand 600 states and 1983 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) [2021-10-06 16:17:44,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:44,457 INFO L93 Difference]: Finished difference Result 1791 states and 5938 transitions. [2021-10-06 16:17:44,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:17:44,458 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 [2021-10-06 16:17:44,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:44,479 INFO L225 Difference]: With dead ends: 1791 [2021-10-06 16:17:44,480 INFO L226 Difference]: Without dead ends: 1791 [2021-10-06 16:17:44,480 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:44,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2021-10-06 16:17:44,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 601. [2021-10-06 16:17:44,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 536 states have (on average 3.705223880597015) internal successors, (1986), 600 states have internal predecessors, (1986), 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) [2021-10-06 16:17:44,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1986 transitions. [2021-10-06 16:17:44,524 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1986 transitions. Word has length 3 [2021-10-06 16:17:44,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:44,524 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 1986 transitions. [2021-10-06 16:17:44,525 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) [2021-10-06 16:17:44,525 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1986 transitions. [2021-10-06 16:17:44,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-06 16:17:44,525 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:44,525 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-06 16:17:44,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-06 16:17:44,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:44,739 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:44,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:44,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1188141, now seen corresponding path program 1 times [2021-10-06 16:17:44,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:44,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353974019] [2021-10-06 16:17:44,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:44,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:44,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:44,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353974019] [2021-10-06 16:17:44,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353974019] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:44,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108374476] [2021-10-06 16:17:44,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:44,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:44,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:44,837 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) [2021-10-06 16:17:44,868 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 [2021-10-06 16:17:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:44,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-06 16:17:44,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:44,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108374476] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:44,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:17:44,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2021-10-06 16:17:44,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056741898] [2021-10-06 16:17:44,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 16:17:44,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:44,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 16:17:44,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:44,967 INFO L87 Difference]: Start difference. First operand 601 states and 1986 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) [2021-10-06 16:17:45,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:45,000 INFO L93 Difference]: Finished difference Result 1195 states and 3960 transitions. [2021-10-06 16:17:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:17:45,001 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 [2021-10-06 16:17:45,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:45,014 INFO L225 Difference]: With dead ends: 1195 [2021-10-06 16:17:45,014 INFO L226 Difference]: Without dead ends: 1195 [2021-10-06 16:17:45,014 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:45,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2021-10-06 16:17:45,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 600. [2021-10-06 16:17:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 536 states have (on average 3.701492537313433) internal successors, (1984), 599 states have internal predecessors, (1984), 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) [2021-10-06 16:17:45,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1984 transitions. [2021-10-06 16:17:45,049 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1984 transitions. Word has length 3 [2021-10-06 16:17:45,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:45,050 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 1984 transitions. [2021-10-06 16:17:45,050 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) [2021-10-06 16:17:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1984 transitions. [2021-10-06 16:17:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-06 16:17:45,051 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:45,051 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-06 16:17:45,093 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 [2021-10-06 16:17:45,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:45,266 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:45,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:45,268 INFO L82 PathProgramCache]: Analyzing trace with hash 36833540, now seen corresponding path program 2 times [2021-10-06 16:17:45,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:45,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528299249] [2021-10-06 16:17:45,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:45,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:45,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:45,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:45,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528299249] [2021-10-06 16:17:45,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528299249] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:45,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340694820] [2021-10-06 16:17:45,327 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:17:45,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:45,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:45,334 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) [2021-10-06 16:17:45,354 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 [2021-10-06 16:17:45,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-06 16:17:45,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:17:45,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-06 16:17:45,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 16:17:45,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340694820] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:45,444 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:17:45,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-06 16:17:45,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869429067] [2021-10-06 16:17:45,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:45,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:45,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:45,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:45,445 INFO L87 Difference]: Start difference. First operand 600 states and 1984 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) [2021-10-06 16:17:45,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:45,456 INFO L93 Difference]: Finished difference Result 599 states and 1983 transitions. [2021-10-06 16:17:45,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:45,461 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 [2021-10-06 16:17:45,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:45,466 INFO L225 Difference]: With dead ends: 599 [2021-10-06 16:17:45,466 INFO L226 Difference]: Without dead ends: 599 [2021-10-06 16:17:45,467 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 17.2ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:45,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-06 16:17:45,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 597. [2021-10-06 16:17:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 534 states have (on average 3.7059925093632957) internal successors, (1979), 596 states have internal predecessors, (1979), 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) [2021-10-06 16:17:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1979 transitions. [2021-10-06 16:17:45,500 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1979 transitions. Word has length 4 [2021-10-06 16:17:45,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:45,501 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 1979 transitions. [2021-10-06 16:17:45,501 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) [2021-10-06 16:17:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1979 transitions. [2021-10-06 16:17:45,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-06 16:17:45,502 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:45,502 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-06 16:17:45,538 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 [2021-10-06 16:17:45,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:45,717 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:45,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:45,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1141193522, now seen corresponding path program 1 times [2021-10-06 16:17:45,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:45,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503106013] [2021-10-06 16:17:45,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:45,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:45,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:45,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503106013] [2021-10-06 16:17:45,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503106013] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:45,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:45,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:17:45,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71320077] [2021-10-06 16:17:45,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:45,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:45,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:45,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:45,767 INFO L87 Difference]: Start difference. First operand 597 states and 1979 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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) [2021-10-06 16:17:45,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:45,779 INFO L93 Difference]: Finished difference Result 598 states and 1980 transitions. [2021-10-06 16:17:45,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:45,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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 [2021-10-06 16:17:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:45,786 INFO L225 Difference]: With dead ends: 598 [2021-10-06 16:17:45,787 INFO L226 Difference]: Without dead ends: 598 [2021-10-06 16:17:45,787 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:45,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2021-10-06 16:17:45,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2021-10-06 16:17:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 535 states have (on average 3.7009345794392523) internal successors, (1980), 597 states have internal predecessors, (1980), 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) [2021-10-06 16:17:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1980 transitions. [2021-10-06 16:17:45,812 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1980 transitions. Word has length 5 [2021-10-06 16:17:45,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:45,813 INFO L470 AbstractCegarLoop]: Abstraction has 598 states and 1980 transitions. [2021-10-06 16:17:45,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 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) [2021-10-06 16:17:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1980 transitions. [2021-10-06 16:17:45,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-06 16:17:45,814 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:45,814 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-06 16:17:45,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-06 16:17:45,814 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:45,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:45,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1036696086, now seen corresponding path program 1 times [2021-10-06 16:17:45,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:45,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708867468] [2021-10-06 16:17:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:45,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:45,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:45,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708867468] [2021-10-06 16:17:45,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708867468] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:45,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812194229] [2021-10-06 16:17:45,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:45,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:45,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:45,899 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) [2021-10-06 16:17:45,911 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 [2021-10-06 16:17:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:45,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-06 16:17:45,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:46,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:46,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812194229] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:46,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:46,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-10-06 16:17:46,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965676902] [2021-10-06 16:17:46,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-06 16:17:46,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:46,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-06 16:17:46,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:46,021 INFO L87 Difference]: Start difference. First operand 598 states and 1980 transitions. Second operand has 6 states, 6 states have (on average 1.5) 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) [2021-10-06 16:17:46,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:46,040 INFO L93 Difference]: Finished difference Result 599 states and 1981 transitions. [2021-10-06 16:17:46,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:17:46,041 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) 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 6 [2021-10-06 16:17:46,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:46,047 INFO L225 Difference]: With dead ends: 599 [2021-10-06 16:17:46,048 INFO L226 Difference]: Without dead ends: 599 [2021-10-06 16:17:46,048 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.0ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:46,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-06 16:17:46,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2021-10-06 16:17:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 536 states have (on average 3.6958955223880596) internal successors, (1981), 598 states have internal predecessors, (1981), 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) [2021-10-06 16:17:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1981 transitions. [2021-10-06 16:17:46,074 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1981 transitions. Word has length 6 [2021-10-06 16:17:46,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:46,075 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 1981 transitions. [2021-10-06 16:17:46,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) 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) [2021-10-06 16:17:46,075 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1981 transitions. [2021-10-06 16:17:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-06 16:17:46,076 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:46,076 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-06 16:17:46,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-06 16:17:46,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:46,290 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:46,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:46,291 INFO L82 PathProgramCache]: Analyzing trace with hash 2092242866, now seen corresponding path program 2 times [2021-10-06 16:17:46,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:46,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754925844] [2021-10-06 16:17:46,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:46,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:17:46,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:46,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754925844] [2021-10-06 16:17:46,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754925844] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:46,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502982694] [2021-10-06 16:17:46,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:17:46,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:46,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:46,352 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) [2021-10-06 16:17:46,361 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 [2021-10-06 16:17:46,429 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-06 16:17:46,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:17:46,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-06 16:17:46,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:46,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 16:17:46,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502982694] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:46,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:17:46,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6 [2021-10-06 16:17:46,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240134120] [2021-10-06 16:17:46,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:46,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:46,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:46,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:46,561 INFO L87 Difference]: Start difference. First operand 599 states and 1981 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:17:46,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:46,654 INFO L93 Difference]: Finished difference Result 849 states and 2874 transitions. [2021-10-06 16:17:46,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:46,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-06 16:17:46,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:46,664 INFO L225 Difference]: With dead ends: 849 [2021-10-06 16:17:46,664 INFO L226 Difference]: Without dead ends: 849 [2021-10-06 16:17:46,665 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:46,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2021-10-06 16:17:46,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 685. [2021-10-06 16:17:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 622 states have (on average 3.927652733118971) internal successors, (2443), 684 states have internal predecessors, (2443), 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) [2021-10-06 16:17:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 2443 transitions. [2021-10-06 16:17:46,697 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 2443 transitions. Word has length 7 [2021-10-06 16:17:46,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:46,698 INFO L470 AbstractCegarLoop]: Abstraction has 685 states and 2443 transitions. [2021-10-06 16:17:46,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:17:46,698 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 2443 transitions. [2021-10-06 16:17:46,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-06 16:17:46,699 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:46,699 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-06 16:17:46,738 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 [2021-10-06 16:17:46,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:46,914 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:46,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:46,915 INFO L82 PathProgramCache]: Analyzing trace with hash 2092242884, now seen corresponding path program 1 times [2021-10-06 16:17:46,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:46,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812558036] [2021-10-06 16:17:46,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:46,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:46,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-06 16:17:46,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:46,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812558036] [2021-10-06 16:17:46,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812558036] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:46,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:46,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:17:46,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564337821] [2021-10-06 16:17:46,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:46,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:46,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:46,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:46,970 INFO L87 Difference]: Start difference. First operand 685 states and 2443 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:17:46,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:46,998 INFO L93 Difference]: Finished difference Result 849 states and 2788 transitions. [2021-10-06 16:17:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:46,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-06 16:17:46,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:47,008 INFO L225 Difference]: With dead ends: 849 [2021-10-06 16:17:47,008 INFO L226 Difference]: Without dead ends: 849 [2021-10-06 16:17:47,008 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:47,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2021-10-06 16:17:47,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 685. [2021-10-06 16:17:47,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 622 states have (on average 3.789389067524116) internal successors, (2357), 684 states have internal predecessors, (2357), 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) [2021-10-06 16:17:47,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 2357 transitions. [2021-10-06 16:17:47,046 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 2357 transitions. Word has length 7 [2021-10-06 16:17:47,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:47,047 INFO L470 AbstractCegarLoop]: Abstraction has 685 states and 2357 transitions. [2021-10-06 16:17:47,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:17:47,047 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 2357 transitions. [2021-10-06 16:17:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-06 16:17:47,048 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:47,048 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:47,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-06 16:17:47,049 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:47,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:47,050 INFO L82 PathProgramCache]: Analyzing trace with hash 435021026, now seen corresponding path program 1 times [2021-10-06 16:17:47,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:47,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128608674] [2021-10-06 16:17:47,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:47,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 16:17:47,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:47,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128608674] [2021-10-06 16:17:47,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128608674] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:47,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026313398] [2021-10-06 16:17:47,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:47,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:47,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:47,154 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) [2021-10-06 16:17:47,172 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 [2021-10-06 16:17:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:47,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-06 16:17:47,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-06 16:17:47,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026313398] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:47,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:47,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-10-06 16:17:47,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722244485] [2021-10-06 16:17:47,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-06 16:17:47,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:47,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-06 16:17:47,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-10-06 16:17:47,292 INFO L87 Difference]: Start difference. First operand 685 states and 2357 transitions. Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-10-06 16:17:47,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:47,312 INFO L93 Difference]: Finished difference Result 686 states and 2358 transitions. [2021-10-06 16:17:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:17:47,312 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 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 [2021-10-06 16:17:47,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:47,319 INFO L225 Difference]: With dead ends: 686 [2021-10-06 16:17:47,320 INFO L226 Difference]: Without dead ends: 686 [2021-10-06 16:17:47,320 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 28.5ms TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-10-06 16:17:47,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2021-10-06 16:17:47,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2021-10-06 16:17:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 623 states have (on average 3.784911717495987) internal successors, (2358), 685 states have internal predecessors, (2358), 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) [2021-10-06 16:17:47,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 2358 transitions. [2021-10-06 16:17:47,349 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 2358 transitions. Word has length 8 [2021-10-06 16:17:47,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:47,349 INFO L470 AbstractCegarLoop]: Abstraction has 686 states and 2358 transitions. [2021-10-06 16:17:47,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-10-06 16:17:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2358 transitions. [2021-10-06 16:17:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-06 16:17:47,350 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:47,350 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:47,385 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 [2021-10-06 16:17:47,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-06 16:17:47,564 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:47,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:47,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1203194750, now seen corresponding path program 2 times [2021-10-06 16:17:47,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:47,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622284547] [2021-10-06 16:17:47,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:47,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:47,639 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:47,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:47,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622284547] [2021-10-06 16:17:47,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622284547] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:47,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561789530] [2021-10-06 16:17:47,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:17:47,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:47,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:47,646 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) [2021-10-06 16:17:47,664 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 [2021-10-06 16:17:47,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-06 16:17:47,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:17:47,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-06 16:17:47,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:47,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561789530] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:47,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:47,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-10-06 16:17:47,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820861617] [2021-10-06 16:17:47,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-06 16:17:47,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:47,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-06 16:17:47,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:47,769 INFO L87 Difference]: Start difference. First operand 686 states and 2358 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) [2021-10-06 16:17:47,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:47,836 INFO L93 Difference]: Finished difference Result 1100 states and 3682 transitions. [2021-10-06 16:17:47,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:17:47,837 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 9 [2021-10-06 16:17:47,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:47,851 INFO L225 Difference]: With dead ends: 1100 [2021-10-06 16:17:47,851 INFO L226 Difference]: Without dead ends: 1100 [2021-10-06 16:17:47,851 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:47,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2021-10-06 16:17:47,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 772. [2021-10-06 16:17:47,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 709 states have (on average 3.9774330042313117) internal successors, (2820), 771 states have internal predecessors, (2820), 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) [2021-10-06 16:17:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 2820 transitions. [2021-10-06 16:17:47,902 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 2820 transitions. Word has length 9 [2021-10-06 16:17:47,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:47,902 INFO L470 AbstractCegarLoop]: Abstraction has 772 states and 2820 transitions. [2021-10-06 16:17:47,903 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) [2021-10-06 16:17:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 2820 transitions. [2021-10-06 16:17:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-06 16:17:47,905 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:47,905 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:47,949 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 [2021-10-06 16:17:48,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:48,119 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:48,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:48,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1203194768, now seen corresponding path program 1 times [2021-10-06 16:17:48,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:48,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876646578] [2021-10-06 16:17:48,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:48,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:48,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:48,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876646578] [2021-10-06 16:17:48,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876646578] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:48,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105268176] [2021-10-06 16:17:48,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:48,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:48,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:48,185 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) [2021-10-06 16:17:48,222 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 [2021-10-06 16:17:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:48,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-06 16:17:48,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:48,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105268176] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:48,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:17:48,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-06 16:17:48,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960922464] [2021-10-06 16:17:48,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 16:17:48,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:48,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 16:17:48,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:48,330 INFO L87 Difference]: Start difference. First operand 772 states and 2820 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) [2021-10-06 16:17:48,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:48,363 INFO L93 Difference]: Finished difference Result 850 states and 2873 transitions. [2021-10-06 16:17:48,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:17:48,364 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 9 [2021-10-06 16:17:48,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:48,374 INFO L225 Difference]: With dead ends: 850 [2021-10-06 16:17:48,374 INFO L226 Difference]: Without dead ends: 850 [2021-10-06 16:17:48,374 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:48,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2021-10-06 16:17:48,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 686. [2021-10-06 16:17:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 639 states have (on average 3.8215962441314555) internal successors, (2442), 685 states have internal predecessors, (2442), 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) [2021-10-06 16:17:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 2442 transitions. [2021-10-06 16:17:48,434 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 2442 transitions. Word has length 9 [2021-10-06 16:17:48,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:48,435 INFO L470 AbstractCegarLoop]: Abstraction has 686 states and 2442 transitions. [2021-10-06 16:17:48,435 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) [2021-10-06 16:17:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2442 transitions. [2021-10-06 16:17:48,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-06 16:17:48,436 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:48,436 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:48,476 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 [2021-10-06 16:17:48,650 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,SelfDestructingSolverStorable11 [2021-10-06 16:17:48,651 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:48,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:48,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1350258508, now seen corresponding path program 1 times [2021-10-06 16:17:48,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:48,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890626782] [2021-10-06 16:17:48,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:48,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:48,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:48,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890626782] [2021-10-06 16:17:48,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890626782] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:48,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:48,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:17:48,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240954551] [2021-10-06 16:17:48,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:48,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:48,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:48,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:48,692 INFO L87 Difference]: Start difference. First operand 686 states and 2442 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) [2021-10-06 16:17:48,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:48,721 INFO L93 Difference]: Finished difference Result 912 states and 3245 transitions. [2021-10-06 16:17:48,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:48,721 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 10 [2021-10-06 16:17:48,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:48,730 INFO L225 Difference]: With dead ends: 912 [2021-10-06 16:17:48,731 INFO L226 Difference]: Without dead ends: 912 [2021-10-06 16:17:48,731 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 [2021-10-06 16:17:48,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2021-10-06 16:17:48,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 796. [2021-10-06 16:17:48,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 749 states have (on average 3.9359145527369828) internal successors, (2948), 795 states have internal predecessors, (2948), 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) [2021-10-06 16:17:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 2948 transitions. [2021-10-06 16:17:48,766 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 2948 transitions. Word has length 10 [2021-10-06 16:17:48,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:48,766 INFO L470 AbstractCegarLoop]: Abstraction has 796 states and 2948 transitions. [2021-10-06 16:17:48,766 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) [2021-10-06 16:17:48,767 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 2948 transitions. [2021-10-06 16:17:48,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-06 16:17:48,767 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:48,767 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1] [2021-10-06 16:17:48,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-06 16:17:48,768 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:48,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:48,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1355666794, now seen corresponding path program 3 times [2021-10-06 16:17:48,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:48,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307927614] [2021-10-06 16:17:48,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:48,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:48,824 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:48,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:48,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307927614] [2021-10-06 16:17:48,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307927614] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:48,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117457340] [2021-10-06 16:17:48,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-06 16:17:48,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:48,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:48,826 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) [2021-10-06 16:17:48,845 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 [2021-10-06 16:17:48,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-06 16:17:48,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:17:48,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-06 16:17:48,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:48,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117457340] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:48,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:48,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-06 16:17:48,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571692808] [2021-10-06 16:17:48,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-06 16:17:48,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:48,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-06 16:17:48,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:48,944 INFO L87 Difference]: Start difference. First operand 796 states and 2948 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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) [2021-10-06 16:17:48,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:48,987 INFO L93 Difference]: Finished difference Result 1466 states and 4969 transitions. [2021-10-06 16:17:48,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:17:48,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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 [2021-10-06 16:17:48,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:49,000 INFO L225 Difference]: With dead ends: 1466 [2021-10-06 16:17:49,000 INFO L226 Difference]: Without dead ends: 1466 [2021-10-06 16:17:49,001 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 9.4ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-06 16:17:49,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2021-10-06 16:17:49,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 896. [2021-10-06 16:17:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 849 states have (on average 4.004711425206125) internal successors, (3400), 895 states have internal predecessors, (3400), 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) [2021-10-06 16:17:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 3400 transitions. [2021-10-06 16:17:49,043 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 3400 transitions. Word has length 10 [2021-10-06 16:17:49,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:49,043 INFO L470 AbstractCegarLoop]: Abstraction has 896 states and 3400 transitions. [2021-10-06 16:17:49,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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) [2021-10-06 16:17:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 3400 transitions. [2021-10-06 16:17:49,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-06 16:17:49,044 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:49,044 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:49,080 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 [2021-10-06 16:17:49,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:49,259 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:49,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:49,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1091660703, now seen corresponding path program 1 times [2021-10-06 16:17:49,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:49,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569475932] [2021-10-06 16:17:49,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:49,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:49,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:49,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569475932] [2021-10-06 16:17:49,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569475932] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:49,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600042313] [2021-10-06 16:17:49,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:49,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:17:49,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:49,308 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) [2021-10-06 16:17:49,313 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 [2021-10-06 16:17:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:49,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-06 16:17:49,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:17:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:49,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600042313] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:17:49,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:17:49,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-10-06 16:17:49,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078780103] [2021-10-06 16:17:49,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-06 16:17:49,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:49,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-06 16:17:49,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:49,421 INFO L87 Difference]: Start difference. First operand 896 states and 3400 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) [2021-10-06 16:17:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:49,466 INFO L93 Difference]: Finished difference Result 1280 states and 4792 transitions. [2021-10-06 16:17:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:17:49,467 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 11 [2021-10-06 16:17:49,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:49,477 INFO L225 Difference]: With dead ends: 1280 [2021-10-06 16:17:49,477 INFO L226 Difference]: Without dead ends: 1280 [2021-10-06 16:17:49,478 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:17:49,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2021-10-06 16:17:49,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 1020. [2021-10-06 16:17:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 973 states have (on average 4.2199383350462485) internal successors, (4106), 1019 states have internal predecessors, (4106), 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) [2021-10-06 16:17:49,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 4106 transitions. [2021-10-06 16:17:49,520 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 4106 transitions. Word has length 11 [2021-10-06 16:17:49,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:49,521 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 4106 transitions. [2021-10-06 16:17:49,521 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) [2021-10-06 16:17:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 4106 transitions. [2021-10-06 16:17:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-06 16:17:49,522 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:49,522 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-06 16:17:49,557 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 [2021-10-06 16:17:49,735 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,SelfDestructingSolverStorable14 [2021-10-06 16:17:49,736 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:49,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:49,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1091660717, now seen corresponding path program 1 times [2021-10-06 16:17:49,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:49,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087342646] [2021-10-06 16:17:49,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:49,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:17:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-06 16:17:49,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:17:49,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087342646] [2021-10-06 16:17:49,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087342646] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:17:49,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:17:49,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:17:49,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790358175] [2021-10-06 16:17:49,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-06 16:17:49,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:17:49,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-06 16:17:49,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:49,773 INFO L87 Difference]: Start difference. First operand 1020 states and 4106 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2021-10-06 16:17:49,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 16:17:49,793 INFO L93 Difference]: Finished difference Result 896 states and 3520 transitions. [2021-10-06 16:17:49,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 16:17:49,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 11 [2021-10-06 16:17:49,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 16:17:49,801 INFO L225 Difference]: With dead ends: 896 [2021-10-06 16:17:49,801 INFO L226 Difference]: Without dead ends: 896 [2021-10-06 16:17:49,801 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-06 16:17:49,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2021-10-06 16:17:49,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 896. [2021-10-06 16:17:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 861 states have (on average 4.088269454123113) internal successors, (3520), 895 states have internal predecessors, (3520), 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) [2021-10-06 16:17:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 3520 transitions. [2021-10-06 16:17:49,836 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 3520 transitions. Word has length 11 [2021-10-06 16:17:49,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 16:17:49,836 INFO L470 AbstractCegarLoop]: Abstraction has 896 states and 3520 transitions. [2021-10-06 16:17:49,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2021-10-06 16:17:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 3520 transitions. [2021-10-06 16:17:49,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-06 16:17:49,837 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:49,837 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2021-10-06 16:17:49,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-06 16:17:49,838 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-06 16:17:49,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:49,838 INFO L82 PathProgramCache]: Analyzing trace with hash 924003966, now seen corresponding path program 4 times [2021-10-06 16:17:49,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:49,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302041736] [2021-10-06 16:17:49,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:49,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 16:17:49,891 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-06 16:17:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 16:17:49,952 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-06 16:17:49,952 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-06 16:17:49,953 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,956 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,957 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 16:17:49,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 16:17:49,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-06 16:17:49,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,961 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:49,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-06 16:17:49,969 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 16:17:49,970 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 16:17:50,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 04:17:50 BasicIcfg [2021-10-06 16:17:50,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 16:17:50,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-06 16:17:50,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-06 16:17:50,030 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-06 16:17:50,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:28" (3/4) ... [2021-10-06 16:17:50,032 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-06 16:17:50,122 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/chl/name-comparator-subst.wvr.c-witness.graphml [2021-10-06 16:17:50,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-06 16:17:50,125 INFO L168 Benchmark]: Toolchain (without parser) took 23861.57 ms. Allocated memory was 160.4 MB in the beginning and 249.6 MB in the end (delta: 89.1 MB). Free memory was 135.5 MB in the beginning and 192.3 MB in the end (delta: -56.9 MB). Peak memory consumption was 33.8 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,125 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 160.4 MB. Free memory is still 132.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 16:17:50,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.78 ms. Allocated memory is still 160.4 MB. Free memory was 135.1 MB in the beginning and 122.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.03 ms. Allocated memory is still 160.4 MB. Free memory was 122.9 MB in the beginning and 120.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,127 INFO L168 Benchmark]: Boogie Preprocessor took 86.46 ms. Allocated memory is still 160.4 MB. Free memory was 120.4 MB in the beginning and 118.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,127 INFO L168 Benchmark]: RCFGBuilder took 1594.62 ms. Allocated memory is still 160.4 MB. Free memory was 118.3 MB in the beginning and 86.7 MB in the end (delta: 31.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,127 INFO L168 Benchmark]: TraceAbstraction took 21532.91 ms. Allocated memory was 160.4 MB in the beginning and 249.6 MB in the end (delta: 89.1 MB). Free memory was 86.2 MB in the beginning and 199.7 MB in the end (delta: -113.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 16:17:50,128 INFO L168 Benchmark]: Witness Printer took 93.07 ms. Allocated memory is still 249.6 MB. Free memory was 199.7 MB in the beginning and 192.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:50,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 160.4 MB. Free memory is still 132.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 435.78 ms. Allocated memory is still 160.4 MB. Free memory was 135.1 MB in the beginning and 122.9 MB in the end (delta: 12.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 105.03 ms. Allocated memory is still 160.4 MB. Free memory was 122.9 MB in the beginning and 120.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.46 ms. Allocated memory is still 160.4 MB. Free memory was 120.4 MB in the beginning and 118.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1594.62 ms. Allocated memory is still 160.4 MB. Free memory was 118.3 MB in the beginning and 86.7 MB in the end (delta: 31.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21532.91 ms. Allocated memory was 160.4 MB in the beginning and 249.6 MB in the end (delta: 89.1 MB). Free memory was 86.2 MB in the beginning and 199.7 MB in the end (delta: -113.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 93.07 ms. Allocated memory is still 249.6 MB. Free memory was 199.7 MB in the beginning and 192.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14646.7ms, 193 PlacesBefore, 49 PlacesAfterwards, 193 TransitionsBefore, 43 TransitionsAfterwards, 2184 CoEnabledTransitionPairs, 7 FixpointIterations, 129 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 0 ConcurrentYvCompositions, 6 ChoiceCompositions, 185 TotalNumberOfCompositions, 2505 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2283, positive: 2255, positive conditional: 0, positive unconditional: 2255, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1053, positive: 1048, positive conditional: 0, positive unconditional: 1048, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1053, positive: 1048, positive conditional: 0, positive unconditional: 1048, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2283, positive: 1207, positive conditional: 0, positive unconditional: 1207, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 1053, unknown conditional: 0, unknown unconditional: 1053] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, 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 - CounterExampleResult [Line: 64]: integer overflow possible integer overflow possible We found a FailurePath: [L38] 0 int* nondet_0; [L39] 0 int name_1, name_2, name_3, result_4, i_5, current_6, break_7, result_8, i_9, current_10, break_11, result_12, i_13, current_14, break_15; [L127] 0 pthread_t t1, t2, t3; [L130] 0 name_1 = __VERIFIER_nondet_int() [L131] 0 name_2 = __VERIFIER_nondet_int() [L132] 0 name_3 = __VERIFIER_nondet_int() [L133] 0 result_4 = __VERIFIER_nondet_int() [L134] 0 i_5 = __VERIFIER_nondet_int() [L135] 0 current_6 = __VERIFIER_nondet_int() [L136] 0 break_7 = __VERIFIER_nondet_int() [L137] 0 result_8 = __VERIFIER_nondet_int() [L138] 0 i_9 = __VERIFIER_nondet_int() [L139] 0 current_10 = __VERIFIER_nondet_int() [L140] 0 break_11 = __VERIFIER_nondet_int() [L141] 0 result_12 = __VERIFIER_nondet_int() [L142] 0 i_13 = __VERIFIER_nondet_int() [L143] 0 current_14 = __VERIFIER_nondet_int() [L144] 0 break_15 = __VERIFIER_nondet_int() [L35] COND FALSE 0 !(!cond) [L162] EXPR 0 sizeof(int) * size [L162] 0 int* arr = (int*)malloc(sizeof(int) * size); [L163] 0 int i = 0; VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=0, i_13=0, i_5=0, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={0:0}, result_12=0, result_4=1, result_8=0] [L163] COND TRUE 0 i < size [L164] 0 arr[i] = __VERIFIER_nondet_int() [L163] 0 i++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=0, i_13=0, i_5=0, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={0:0}, result_12=0, result_4=1, result_8=0] [L163] COND TRUE 0 i < size [L164] 0 arr[i] = __VERIFIER_nondet_int() [L163] 0 i++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=0, i_13=0, i_5=0, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={0:0}, result_12=0, result_4=1, result_8=0] [L163] COND TRUE 0 i < size [L164] 0 arr[i] = __VERIFIER_nondet_int() [L163] 0 i++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=0, i_13=0, i_5=0, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={0:0}, result_12=0, result_4=1, result_8=0] [L163] COND FALSE 0 !(i < size) [L166] 0 return arr; [L145] 0 nondet_0 = create_fresh_int_array(3) [L148] FCALL, FORK 0 pthread_create(&t1, NULL, thread1, NULL) VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=0, i_13=0, i_5=0, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={-2:0}, result_12=0, result_4=1, result_8=0] [L45] 1 i_5 = 0 [L46] 1 break_7 = 0 [L47] EXPR 1 ( name_1 == name_2 ) ? 0 : result_4 [L47] 1 result_4 = ( name_1 == name_2 ) ? 0 : result_4 [L48] EXPR 1 ( name_1 == name_2 ) ? 1 : break_7 [L48] 1 break_7 = ( name_1 == name_2 ) ? 1 : break_7 [L51] COND TRUE 1 __VERIFIER_nondet_bool() [L35] COND FALSE 1 !(!cond) [L54] EXPR 1 nondet_0[i_5] [L54] 1 current_6 = nondet_0[i_5] [L55] EXPR 1 ( current_6 == name_1 ) ? 1 : result_4 [L55] 1 result_4 = ( current_6 == name_1 ) ? 1 : result_4 [L56] EXPR 1 ( current_6 == name_1 ) ? 1 : break_7 [L56] 1 break_7 = ( current_6 == name_1 ) ? 1 : break_7 [L57] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L57] 1 result_4 = ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L58] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L58] 1 break_7 = ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L59] 1 i_5++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=-6, i_13=0, i_5=1, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={-2:0}, result_12=0, result_4=1, result_8=0] [L51] COND TRUE 1 __VERIFIER_nondet_bool() [L35] COND FALSE 1 !(!cond) [L54] EXPR 1 nondet_0[i_5] [L54] 1 current_6 = nondet_0[i_5] [L55] EXPR 1 ( current_6 == name_1 ) ? 1 : result_4 [L55] 1 result_4 = ( current_6 == name_1 ) ? 1 : result_4 [L56] EXPR 1 ( current_6 == name_1 ) ? 1 : break_7 [L56] 1 break_7 = ( current_6 == name_1 ) ? 1 : break_7 [L57] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L57] 1 result_4 = ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L58] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L58] 1 break_7 = ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L59] 1 i_5++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=-7, i_13=0, i_5=2, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={-2:0}, result_12=0, result_4=1, result_8=0] [L51] COND TRUE 1 __VERIFIER_nondet_bool() [L35] COND FALSE 1 !(!cond) [L54] EXPR 1 nondet_0[i_5] [L54] 1 current_6 = nondet_0[i_5] [L55] EXPR 1 ( current_6 == name_1 ) ? 1 : result_4 [L55] 1 result_4 = ( current_6 == name_1 ) ? 1 : result_4 [L56] EXPR 1 ( current_6 == name_1 ) ? 1 : break_7 [L56] 1 break_7 = ( current_6 == name_1 ) ? 1 : break_7 [L57] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L57] 1 result_4 = ( !break_7 && ( current_6 == name_2 ) ) ? ( 0 - 1 ) : result_4 [L58] EXPR 1 ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L58] 1 break_7 = ( !break_7 && ( current_6 == name_2 ) ) ? 1 : break_7 [L59] 1 i_5++ VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=-8, i_13=0, i_5=3, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={-2:0}, result_12=0, result_4=1, result_8=0] [L51] COND FALSE 1 !(__VERIFIER_nondet_bool()) [L35] COND FALSE 1 !(!cond) [L64] 1 ( !break_7 ) ? ( name_1 - name_2 ) : result_4 [L64] 1 name_1 - name_2 VAL [break_11=0, break_15=0, break_7=0, current_10=0, current_14=0, current_6=-8, i_13=0, i_5=3, i_9=0, name_1=-2147483648, name_2=1, name_3=0, nondet_0={-2:0}, result_12=0, result_4=1, result_8=0] - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 114]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 114]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 162]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 162]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 163]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 163]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 150]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 149]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 148]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 226 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 21275.3ms, OverallIterations: 17, TraceHistogramMax: 3, EmptinessCheckTime: 24.7ms, AutomataDifference: 837.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14795.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 615 SDtfs, 639 SDslu, 599 SDs, 0 SdLazy, 143 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 242.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 157.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1020occurred in iteration=15, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 651.8ms AutomataMinimizationTime, 16 MinimizatonAttempts, 4148 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 151.9ms SsaConstructionTime, 657.4ms SatisfiabilityAnalysisTime, 1006.9ms InterpolantComputationTime, 187 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1359 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 26 InterpolantComputations, 10 PerfectInterpolantSequences, 74/102 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 RESULT: Ultimate proved your program to be incorrect! [2021-10-06 16:17:50,185 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...