/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/parallel-lamport.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 14:54:22,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 14:54:22,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 14:54:22,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-07 14:54:22,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 14:54:22,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 14:54:22,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 14:54:22,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-07 14:54:22,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 14:54:22,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 14:54:22,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 14:54:22,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 14:54:22,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 14:54:22,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 14:54:22,548 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 14:54:22,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 14:54:22,549 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 14:54:22,549 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 14:54:22,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 14:54:22,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 14:54:22,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 14:54:22,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-07 14:54:22,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 14:54:22,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-07 14:54:22,551 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-07 14:54:22,551 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 14:54:22,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-07 14:54:22,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 14:54:22,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-07 14:54:22,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 14:54:22,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 14:54:22,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 14:54:22,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 14:54:22,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 14:54:22,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 14:54:22,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-07 14:54:22,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-07 14:54:22,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-07 14:54:22,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-07 14:54:22,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 14:54:22,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 14:54:23,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 14:54:23,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 14:54:23,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 14:54:23,095 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 14:54:23,096 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 14:54:23,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2021-10-07 14:54:23,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48122dd6d/8eaffade40084f4a88f3adc3eeb7f750/FLAG9f61e7526 [2021-10-07 14:54:23,809 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 14:54:23,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2021-10-07 14:54:23,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48122dd6d/8eaffade40084f4a88f3adc3eeb7f750/FLAG9f61e7526 [2021-10-07 14:54:24,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48122dd6d/8eaffade40084f4a88f3adc3eeb7f750 [2021-10-07 14:54:24,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 14:54:24,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-07 14:54:24,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 14:54:24,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 14:54:24,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 14:54:24,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3753b147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24, skipping insertion in model container [2021-10-07 14:54:24,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 14:54:24,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 14:54:24,570 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/parallel-lamport.wvr.c[2873,2886] [2021-10-07 14:54:24,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 14:54:24,595 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 14:54:24,630 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/parallel-lamport.wvr.c[2873,2886] [2021-10-07 14:54:24,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 14:54:24,657 INFO L208 MainTranslator]: Completed translation [2021-10-07 14:54:24,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24 WrapperNode [2021-10-07 14:54:24,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 14:54:24,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 14:54:24,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 14:54:24,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 14:54:24,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 14:54:24,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 14:54:24,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 14:54:24,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 14:54:24,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 14:54:24,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 14:54:24,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 14:54:24,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 14:54:24,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24" (1/1) ... [2021-10-07 14:54:24,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 14:54:24,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 14:54:24,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-07 14:54:24,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-07 14:54:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 14:54:24,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 14:54:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 14:54:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 14:54:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-07 14:54:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-07 14:54:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-07 14:54:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 14:54:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-07 14:54:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-07 14:54:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 14:54:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 14:54:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-07 14:54:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 14:54:24,912 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-07 14:54:25,499 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 14:54:25,499 INFO L299 CfgBuilder]: Removed 31 assume(true) statements. [2021-10-07 14:54:25,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:54:25 BoogieIcfgContainer [2021-10-07 14:54:25,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 14:54:25,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 14:54:25,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 14:54:25,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 14:54:25,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:54:24" (1/3) ... [2021-10-07 14:54:25,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6102b94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:54:25, skipping insertion in model container [2021-10-07 14:54:25,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:24" (2/3) ... [2021-10-07 14:54:25,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6102b94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:54:25, skipping insertion in model container [2021-10-07 14:54:25,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:54:25" (3/3) ... [2021-10-07 14:54:25,512 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2021-10-07 14:54:25,518 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-07 14:54:25,518 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 14:54:25,519 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-10-07 14:54:25,519 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-07 14:54:25,606 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,606 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,607 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,607 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,607 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,607 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,607 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,608 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,608 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,608 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,609 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,609 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,609 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,609 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,610 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,613 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,613 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,613 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,614 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,614 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,614 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,614 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,615 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,615 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,615 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,616 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,618 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,618 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,619 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,619 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,619 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,619 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,619 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,620 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,624 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,624 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,625 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,625 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,625 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,626 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,626 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,627 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,627 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,628 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,629 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,629 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,629 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,629 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,629 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,630 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,633 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,633 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,634 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,634 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,634 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,635 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,638 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,638 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,638 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,638 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,639 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,639 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,639 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,639 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,639 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,640 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,640 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,640 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,640 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,641 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,641 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,641 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,641 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,642 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,642 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,642 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,642 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,643 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,647 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,647 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,647 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,648 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,648 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,648 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,649 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,649 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,650 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,650 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,651 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,656 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,656 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,657 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,657 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,657 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,657 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,657 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,658 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,658 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,658 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,658 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,658 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,659 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,659 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,659 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,659 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,660 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,660 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,660 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,660 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,661 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,661 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,661 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,661 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,661 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,662 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,662 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,666 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,671 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,672 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,672 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,672 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,672 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,673 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,675 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,675 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,676 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,676 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,676 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 14:54:25,686 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-07 14:54:25,738 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-07 14:54:25,746 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-07 14:54:25,746 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-10-07 14:54:25,785 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-07 14:54:25,800 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 220 places, 224 transitions, 472 flow [2021-10-07 14:54:25,809 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 220 places, 224 transitions, 472 flow [2021-10-07 14:54:25,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 224 transitions, 472 flow [2021-10-07 14:54:25,933 INFO L129 PetriNetUnfolder]: 14/221 cut-off events. [2021-10-07 14:54:25,933 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-07 14:54:25,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 234 conditions, 221 events. 14/221 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 231 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 183. Up to 2 conditions per place. [2021-10-07 14:54:25,958 INFO L116 LiptonReduction]: Number of co-enabled transitions 6060 [2021-10-07 14:54:35,268 INFO L131 LiptonReduction]: Checked pairs total: 14026 [2021-10-07 14:54:35,268 INFO L133 LiptonReduction]: Total number of compositions: 249 [2021-10-07 14:54:35,278 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 50 transitions, 124 flow [2021-10-07 14:54:35,342 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 769 states, 756 states have (on average 2.9761904761904763) internal successors, (2250), 768 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 769 states, 756 states have (on average 2.9761904761904763) internal successors, (2250), 768 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 14:54:35,358 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 14:54:35,359 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 14:54:35,360 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2021-10-07 14:54:35,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 14:54:35,367 INFO L82 PathProgramCache]: Analyzing trace with hash 27754, now seen corresponding path program 1 times [2021-10-07 14:54:35,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 14:54:35,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860590230] [2021-10-07 14:54:35,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 14:54:35,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 14:54:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 14:54:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 14:54:35,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 14:54:35,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860590230] [2021-10-07 14:54:35,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860590230] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 14:54:35,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 14:54:35,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-07 14:54:35,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685775608] [2021-10-07 14:54:35,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 14:54:35,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 14:54:35,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 14:54:35,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 14:54:35,689 INFO L87 Difference]: Start difference. First operand has 769 states, 756 states have (on average 2.9761904761904763) internal successors, (2250), 768 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:35,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 14:54:35,786 INFO L93 Difference]: Finished difference Result 1535 states and 4053 transitions. [2021-10-07 14:54:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 14:54:35,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-07 14:54:35,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 14:54:35,833 INFO L225 Difference]: With dead ends: 1535 [2021-10-07 14:54:35,833 INFO L226 Difference]: Without dead ends: 1023 [2021-10-07 14:54:35,835 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 14:54:35,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2021-10-07 14:54:35,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 514. [2021-10-07 14:54:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 504 states have (on average 2.6507936507936507) internal successors, (1336), 513 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:35,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 1336 transitions. [2021-10-07 14:54:35,953 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 1336 transitions. Word has length 2 [2021-10-07 14:54:35,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 14:54:35,953 INFO L470 AbstractCegarLoop]: Abstraction has 514 states and 1336 transitions. [2021-10-07 14:54:35,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1336 transitions. [2021-10-07 14:54:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-07 14:54:35,954 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 14:54:35,955 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-07 14:54:35,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-07 14:54:35,955 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2021-10-07 14:54:35,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 14:54:35,956 INFO L82 PathProgramCache]: Analyzing trace with hash 861871, now seen corresponding path program 1 times [2021-10-07 14:54:35,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 14:54:35,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442840513] [2021-10-07 14:54:35,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 14:54:35,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 14:54:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 14:54:36,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 14:54:36,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 14:54:36,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442840513] [2021-10-07 14:54:36,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442840513] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 14:54:36,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913052990] [2021-10-07 14:54:36,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 14:54:36,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 14:54:36,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 14:54:36,046 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 14:54:36,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-07 14:54:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 14:54:36,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 14:54:36,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 14:54:36,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 14:54:36,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913052990] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 14:54:36,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 14:54:36,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-10-07 14:54:36,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197668950] [2021-10-07 14:54:36,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 14:54:36,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 14:54:36,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 14:54:36,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 14:54:36,184 INFO L87 Difference]: Start difference. First operand 514 states and 1336 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:36,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 14:54:36,253 INFO L93 Difference]: Finished difference Result 1533 states and 3997 transitions. [2021-10-07 14:54:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 14:54:36,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-07 14:54:36,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 14:54:36,286 INFO L225 Difference]: With dead ends: 1533 [2021-10-07 14:54:36,286 INFO L226 Difference]: Without dead ends: 1533 [2021-10-07 14:54:36,290 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 14:54:36,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2021-10-07 14:54:36,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 515. [2021-10-07 14:54:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 505 states have (on average 2.6514851485148516) internal successors, (1339), 514 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:36,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 1339 transitions. [2021-10-07 14:54:36,400 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 1339 transitions. Word has length 3 [2021-10-07 14:54:36,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 14:54:36,401 INFO L470 AbstractCegarLoop]: Abstraction has 515 states and 1339 transitions. [2021-10-07 14:54:36,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:36,401 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1339 transitions. [2021-10-07 14:54:36,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-07 14:54:36,402 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 14:54:36,406 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-07 14:54:36,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-07 14:54:36,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 14:54:36,621 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2021-10-07 14:54:36,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 14:54:36,624 INFO L82 PathProgramCache]: Analyzing trace with hash 861870, now seen corresponding path program 1 times [2021-10-07 14:54:36,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 14:54:36,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960914394] [2021-10-07 14:54:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 14:54:36,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 14:54:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 14:54:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 14:54:36,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 14:54:36,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960914394] [2021-10-07 14:54:36,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960914394] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 14:54:36,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 14:54:36,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-07 14:54:36,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045607280] [2021-10-07 14:54:36,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 14:54:36,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 14:54:36,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 14:54:36,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 14:54:36,710 INFO L87 Difference]: Start difference. First operand 515 states and 1339 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:36,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 14:54:36,727 INFO L93 Difference]: Finished difference Result 514 states and 1337 transitions. [2021-10-07 14:54:36,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 14:54:36,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-07 14:54:36,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 14:54:36,733 INFO L225 Difference]: With dead ends: 514 [2021-10-07 14:54:36,733 INFO L226 Difference]: Without dead ends: 514 [2021-10-07 14:54:36,733 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 14:54:36,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2021-10-07 14:54:36,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2021-10-07 14:54:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 505 states have (on average 2.6475247524752477) internal successors, (1337), 513 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:36,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 1337 transitions. [2021-10-07 14:54:36,763 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 1337 transitions. Word has length 3 [2021-10-07 14:54:36,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 14:54:36,763 INFO L470 AbstractCegarLoop]: Abstraction has 514 states and 1337 transitions. [2021-10-07 14:54:36,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:36,764 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1337 transitions. [2021-10-07 14:54:36,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 14:54:36,764 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 14:54:36,765 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-07 14:54:36,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-07 14:54:36,765 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2021-10-07 14:54:36,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 14:54:36,766 INFO L82 PathProgramCache]: Analyzing trace with hash 26736698, now seen corresponding path program 1 times [2021-10-07 14:54:36,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 14:54:36,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584716671] [2021-10-07 14:54:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 14:54:36,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 14:54:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 14:54:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 14:54:36,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 14:54:36,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584716671] [2021-10-07 14:54:36,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584716671] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 14:54:36,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 14:54:36,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-07 14:54:36,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910778723] [2021-10-07 14:54:36,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 14:54:36,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 14:54:36,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 14:54:36,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 14:54:36,820 INFO L87 Difference]: Start difference. First operand 514 states and 1337 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:36,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 14:54:36,841 INFO L93 Difference]: Finished difference Result 462 states and 1173 transitions. [2021-10-07 14:54:36,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 14:54:36,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-07 14:54:36,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 14:54:36,846 INFO L225 Difference]: With dead ends: 462 [2021-10-07 14:54:36,846 INFO L226 Difference]: Without dead ends: 450 [2021-10-07 14:54:36,847 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 14:54:36,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-10-07 14:54:36,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2021-10-07 14:54:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 445 states have (on average 2.5685393258426967) internal successors, (1143), 449 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:36,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 1143 transitions. [2021-10-07 14:54:36,866 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 1143 transitions. Word has length 4 [2021-10-07 14:54:36,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 14:54:36,867 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 1143 transitions. [2021-10-07 14:54:36,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1143 transitions. [2021-10-07 14:54:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 14:54:36,868 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 14:54:36,868 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-07 14:54:36,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-07 14:54:36,868 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2021-10-07 14:54:36,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 14:54:36,869 INFO L82 PathProgramCache]: Analyzing trace with hash 26719498, now seen corresponding path program 2 times [2021-10-07 14:54:36,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 14:54:36,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454938548] [2021-10-07 14:54:36,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 14:54:36,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 14:54:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 14:54:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 14:54:36,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 14:54:36,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454938548] [2021-10-07 14:54:36,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454938548] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 14:54:36,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109270797] [2021-10-07 14:54:36,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-07 14:54:36,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 14:54:36,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 14:54:36,924 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 14:54:36,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-07 14:54:36,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-07 14:54:36,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-07 14:54:36,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-07 14:54:36,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 14:54:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-07 14:54:37,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109270797] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 14:54:37,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 14:54:37,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-07 14:54:37,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969033269] [2021-10-07 14:54:37,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 14:54:37,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 14:54:37,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 14:54:37,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 14:54:37,020 INFO L87 Difference]: Start difference. First operand 450 states and 1143 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 14:54:37,037 INFO L93 Difference]: Finished difference Result 449 states and 1142 transitions. [2021-10-07 14:54:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 14:54:37,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-07 14:54:37,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 14:54:37,042 INFO L225 Difference]: With dead ends: 449 [2021-10-07 14:54:37,045 INFO L226 Difference]: Without dead ends: 449 [2021-10-07 14:54:37,046 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 14:54:37,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2021-10-07 14:54:37,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 447. [2021-10-07 14:54:37,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 443 states have (on average 2.5688487584650113) internal successors, (1138), 446 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 1138 transitions. [2021-10-07 14:54:37,064 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 1138 transitions. Word has length 4 [2021-10-07 14:54:37,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 14:54:37,065 INFO L470 AbstractCegarLoop]: Abstraction has 447 states and 1138 transitions. [2021-10-07 14:54:37,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,065 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1138 transitions. [2021-10-07 14:54:37,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-07 14:54:37,066 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 14:54:37,066 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-07 14:54:37,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-07 14:54:37,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 14:54:37,282 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2021-10-07 14:54:37,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 14:54:37,283 INFO L82 PathProgramCache]: Analyzing trace with hash -75837375, now seen corresponding path program 1 times [2021-10-07 14:54:37,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 14:54:37,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185438291] [2021-10-07 14:54:37,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 14:54:37,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 14:54:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 14:54:37,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 14:54:37,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 14:54:37,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185438291] [2021-10-07 14:54:37,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185438291] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 14:54:37,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 14:54:37,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-07 14:54:37,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149537647] [2021-10-07 14:54:37,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 14:54:37,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 14:54:37,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 14:54:37,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 14:54:37,374 INFO L87 Difference]: Start difference. First operand 447 states and 1138 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) [2021-10-07 14:54:37,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 14:54:37,394 INFO L93 Difference]: Finished difference Result 411 states and 1010 transitions. [2021-10-07 14:54:37,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 14:54:37,395 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 6 [2021-10-07 14:54:37,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 14:54:37,399 INFO L225 Difference]: With dead ends: 411 [2021-10-07 14:54:37,399 INFO L226 Difference]: Without dead ends: 399 [2021-10-07 14:54:37,399 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 [2021-10-07 14:54:37,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2021-10-07 14:54:37,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2021-10-07 14:54:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 395 states have (on average 2.50126582278481) internal successors, (988), 398 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 988 transitions. [2021-10-07 14:54:37,420 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 988 transitions. Word has length 6 [2021-10-07 14:54:37,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 14:54:37,420 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 988 transitions. [2021-10-07 14:54:37,421 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) [2021-10-07 14:54:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 988 transitions. [2021-10-07 14:54:37,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 14:54:37,422 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 14:54:37,422 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 14:54:37,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-07 14:54:37,423 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2021-10-07 14:54:37,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 14:54:37,423 INFO L82 PathProgramCache]: Analyzing trace with hash 134773409, now seen corresponding path program 1 times [2021-10-07 14:54:37,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 14:54:37,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36188663] [2021-10-07 14:54:37,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 14:54:37,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 14:54:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 14:54:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 14:54:37,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 14:54:37,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36188663] [2021-10-07 14:54:37,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36188663] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 14:54:37,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 14:54:37,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-07 14:54:37,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605185718] [2021-10-07 14:54:37,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 14:54:37,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 14:54:37,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 14:54:37,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-07 14:54:37,531 INFO L87 Difference]: Start difference. First operand 399 states and 988 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 14:54:37,586 INFO L93 Difference]: Finished difference Result 351 states and 856 transitions. [2021-10-07 14:54:37,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 14:54:37,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-07 14:54:37,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 14:54:37,590 INFO L225 Difference]: With dead ends: 351 [2021-10-07 14:54:37,590 INFO L226 Difference]: Without dead ends: 351 [2021-10-07 14:54:37,590 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-07 14:54:37,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-10-07 14:54:37,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-10-07 14:54:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 348 states have (on average 2.4597701149425286) internal successors, (856), 350 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 856 transitions. [2021-10-07 14:54:37,604 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 856 transitions. Word has length 8 [2021-10-07 14:54:37,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 14:54:37,605 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 856 transitions. [2021-10-07 14:54:37,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 856 transitions. [2021-10-07 14:54:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 14:54:37,607 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 14:54:37,607 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 14:54:37,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-07 14:54:37,609 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2021-10-07 14:54:37,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 14:54:37,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1187012009, now seen corresponding path program 1 times [2021-10-07 14:54:37,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 14:54:37,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794085795] [2021-10-07 14:54:37,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 14:54:37,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 14:54:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 14:54:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 14:54:37,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 14:54:37,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794085795] [2021-10-07 14:54:37,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794085795] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 14:54:37,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 14:54:37,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-07 14:54:37,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333060443] [2021-10-07 14:54:37,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 14:54:37,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 14:54:37,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 14:54:37,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-07 14:54:37,707 INFO L87 Difference]: Start difference. First operand 351 states and 856 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 14:54:37,755 INFO L93 Difference]: Finished difference Result 293 states and 700 transitions. [2021-10-07 14:54:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 14:54:37,755 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 [2021-10-07 14:54:37,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 14:54:37,758 INFO L225 Difference]: With dead ends: 293 [2021-10-07 14:54:37,758 INFO L226 Difference]: Without dead ends: 293 [2021-10-07 14:54:37,762 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-07 14:54:37,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-10-07 14:54:37,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2021-10-07 14:54:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 291 states have (on average 2.4054982817869415) internal successors, (700), 292 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 700 transitions. [2021-10-07 14:54:37,773 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 700 transitions. Word has length 9 [2021-10-07 14:54:37,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 14:54:37,774 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 700 transitions. [2021-10-07 14:54:37,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 700 transitions. [2021-10-07 14:54:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 14:54:37,777 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 14:54:37,778 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 14:54:37,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-07 14:54:37,778 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2021-10-07 14:54:37,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 14:54:37,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1187012030, now seen corresponding path program 1 times [2021-10-07 14:54:37,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 14:54:37,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946482418] [2021-10-07 14:54:37,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 14:54:37,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 14:54:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 14:54:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 14:54:37,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 14:54:37,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946482418] [2021-10-07 14:54:37,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946482418] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 14:54:37,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 14:54:37,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-07 14:54:37,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719733898] [2021-10-07 14:54:37,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 14:54:37,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 14:54:37,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 14:54:37,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-07 14:54:37,851 INFO L87 Difference]: Start difference. First operand 293 states and 700 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 14:54:37,886 INFO L93 Difference]: Finished difference Result 235 states and 544 transitions. [2021-10-07 14:54:37,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 14:54:37,886 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 [2021-10-07 14:54:37,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 14:54:37,888 INFO L225 Difference]: With dead ends: 235 [2021-10-07 14:54:37,888 INFO L226 Difference]: Without dead ends: 163 [2021-10-07 14:54:37,889 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-07 14:54:37,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-10-07 14:54:37,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2021-10-07 14:54:37,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 2.4691358024691357) internal successors, (400), 162 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 400 transitions. [2021-10-07 14:54:37,911 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 400 transitions. Word has length 9 [2021-10-07 14:54:37,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 14:54:37,911 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 400 transitions. [2021-10-07 14:54:37,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:37,912 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 400 transitions. [2021-10-07 14:54:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 14:54:37,913 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 14:54:37,913 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 14:54:37,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-07 14:54:37,915 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2021-10-07 14:54:37,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 14:54:37,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1271557241, now seen corresponding path program 1 times [2021-10-07 14:54:37,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 14:54:37,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653354967] [2021-10-07 14:54:37,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 14:54:37,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 14:54:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 14:54:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 14:54:37,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 14:54:37,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653354967] [2021-10-07 14:54:37,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653354967] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 14:54:37,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 14:54:37,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-07 14:54:37,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772500310] [2021-10-07 14:54:37,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 14:54:37,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 14:54:37,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 14:54:37,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-07 14:54:37,976 INFO L87 Difference]: Start difference. First operand 163 states and 400 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:38,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 14:54:38,003 INFO L93 Difference]: Finished difference Result 115 states and 268 transitions. [2021-10-07 14:54:38,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 14:54:38,004 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 [2021-10-07 14:54:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 14:54:38,004 INFO L225 Difference]: With dead ends: 115 [2021-10-07 14:54:38,004 INFO L226 Difference]: Without dead ends: 0 [2021-10-07 14:54:38,007 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-07 14:54:38,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-07 14:54:38,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-07 14:54:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-07 14:54:38,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2021-10-07 14:54:38,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 14:54:38,008 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-07 14:54:38,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 14:54:38,009 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-07 14:54:38,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-07 14:54:38,012 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 14:54:38,013 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 14:54:38,013 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 14:54:38,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 14:54:38,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 14:54:38,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 14:54:38,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-07 14:54:38,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-07 14:54:38,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-07 14:54:38,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 14:54:38,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 14:54:38,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 14:54:38,016 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 14:54:38,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-07 14:54:38,023 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-07 14:54:38,023 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-07 14:54:38,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 02:54:38 BasicIcfg [2021-10-07 14:54:38,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-07 14:54:38,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-07 14:54:38,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-07 14:54:38,028 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-07 14:54:38,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:54:25" (3/4) ... [2021-10-07 14:54:38,031 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-07 14:54:38,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-07 14:54:38,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-07 14:54:38,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-07 14:54:38,048 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-07 14:54:38,048 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-07 14:54:38,048 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-07 14:54:38,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-07 14:54:38,097 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/parallel-lamport.wvr.c-witness.graphml [2021-10-07 14:54:38,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-07 14:54:38,099 INFO L168 Benchmark]: Toolchain (without parser) took 13917.33 ms. Allocated memory was 162.5 MB in the beginning and 235.9 MB in the end (delta: 73.4 MB). Free memory was 136.8 MB in the beginning and 196.1 MB in the end (delta: -59.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 8.0 GB. [2021-10-07 14:54:38,100 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 162.5 MB. Free memory was 132.7 MB in the beginning and 132.6 MB in the end (delta: 106.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 14:54:38,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.01 ms. Allocated memory is still 162.5 MB. Free memory was 136.5 MB in the beginning and 125.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-07 14:54:38,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.60 ms. Allocated memory is still 162.5 MB. Free memory was 125.4 MB in the beginning and 123.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 14:54:38,101 INFO L168 Benchmark]: Boogie Preprocessor took 39.51 ms. Allocated memory is still 162.5 MB. Free memory was 123.3 MB in the beginning and 121.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-07 14:54:38,101 INFO L168 Benchmark]: RCFGBuilder took 711.55 ms. Allocated memory is still 162.5 MB. Free memory was 121.7 MB in the beginning and 142.4 MB in the end (delta: -20.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 8.0 GB. [2021-10-07 14:54:38,102 INFO L168 Benchmark]: TraceAbstraction took 12521.64 ms. Allocated memory was 162.5 MB in the beginning and 235.9 MB in the end (delta: 73.4 MB). Free memory was 141.9 MB in the beginning and 199.8 MB in the end (delta: -57.9 MB). Peak memory consumption was 15.5 MB. Max. memory is 8.0 GB. [2021-10-07 14:54:38,102 INFO L168 Benchmark]: Witness Printer took 70.27 ms. Allocated memory is still 235.9 MB. Free memory was 199.8 MB in the beginning and 196.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-07 14:54:38,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 162.5 MB. Free memory was 132.7 MB in the beginning and 132.6 MB in the end (delta: 106.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 465.01 ms. Allocated memory is still 162.5 MB. Free memory was 136.5 MB in the beginning and 125.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 89.60 ms. Allocated memory is still 162.5 MB. Free memory was 125.4 MB in the beginning and 123.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.51 ms. Allocated memory is still 162.5 MB. Free memory was 123.3 MB in the beginning and 121.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 711.55 ms. Allocated memory is still 162.5 MB. Free memory was 121.7 MB in the beginning and 142.4 MB in the end (delta: -20.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12521.64 ms. Allocated memory was 162.5 MB in the beginning and 235.9 MB in the end (delta: 73.4 MB). Free memory was 141.9 MB in the beginning and 199.8 MB in the end (delta: -57.9 MB). Peak memory consumption was 15.5 MB. Max. memory is 8.0 GB. * Witness Printer took 70.27 ms. Allocated memory is still 235.9 MB. Free memory was 199.8 MB in the beginning and 196.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9459.9ms, 220 PlacesBefore, 54 PlacesAfterwards, 224 TransitionsBefore, 50 TransitionsAfterwards, 6060 CoEnabledTransitionPairs, 8 FixpointIterations, 118 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 23 TrivialYvCompositions, 22 ConcurrentYvCompositions, 8 ChoiceCompositions, 249 TotalNumberOfCompositions, 14026 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8620, positive: 8318, positive conditional: 0, positive unconditional: 8318, negative: 302, negative conditional: 0, negative unconditional: 302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4765, positive: 4682, positive conditional: 0, positive unconditional: 4682, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4765, positive: 4642, positive conditional: 0, positive unconditional: 4642, negative: 123, negative conditional: 0, negative unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 123, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 159, negative conditional: 0, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8620, positive: 3636, positive conditional: 0, positive unconditional: 3636, negative: 219, negative conditional: 0, negative unconditional: 219, unknown: 4765, unknown conditional: 0, unknown unconditional: 4765] , Statistics on independence cache: Total cache size (in pairs): 400, Positive cache size: 368, Positive conditional cache size: 0, Positive unconditional cache size: 368, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 125]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 125]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 290 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 12284.1ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 25.1ms, AutomataDifference: 570.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9595.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 343 SDtfs, 443 SDslu, 272 SDs, 0 SdLazy, 81 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 158.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 99.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=769occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 345.3ms AutomataMinimizationTime, 10 MinimizatonAttempts, 1529 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 48.3ms SsaConstructionTime, 317.6ms SatisfiabilityAnalysisTime, 563.6ms InterpolantComputationTime, 64 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 2 NumberOfNonLiveVariables, 184 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 4/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-07 14:54:38,155 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...