/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 01:22:20,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 01:22:20,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 01:22:20,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 01:22:20,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 01:22:20,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 01:22:20,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 01:22:20,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 01:22:20,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 01:22:20,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 01:22:20,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 01:22:20,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 01:22:20,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 01:22:20,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 01:22:20,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 01:22:20,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 01:22:20,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 01:22:20,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 01:22:20,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 01:22:20,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 01:22:20,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 01:22:20,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 01:22:20,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 01:22:20,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 01:22:20,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 01:22:20,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 01:22:20,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 01:22:20,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 01:22:20,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 01:22:20,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 01:22:20,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 01:22:20,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 01:22:20,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 01:22:20,822 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 01:22:20,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 01:22:20,823 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 01:22:20,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 01:22:20,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 01:22:20,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 01:22:20,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 01:22:20,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 01:22:20,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 01:22:20,825 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 01:22:20,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 01:22:20,826 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 01:22:20,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 01:22:20,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 01:22:20,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 01:22:20,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 01:22:20,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 01:22:20,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 01:22:20,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 01:22:20,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 01:22:20,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 01:22:20,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 01:22:20,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 01:22:20,828 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 01:22:20,829 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 01:22:20,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 01:22:20,829 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 01:22:21,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 01:22:21,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 01:22:21,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 01:22:21,222 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 01:22:21,225 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 01:22:21,226 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-10-06 01:22:21,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d2555cc7/c9d3cf1a08aa44db81dd62ec1f37f79f/FLAG94a1f1f1b [2020-10-06 01:22:21,837 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 01:22:21,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-10-06 01:22:21,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d2555cc7/c9d3cf1a08aa44db81dd62ec1f37f79f/FLAG94a1f1f1b [2020-10-06 01:22:22,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d2555cc7/c9d3cf1a08aa44db81dd62ec1f37f79f [2020-10-06 01:22:22,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 01:22:22,138 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 01:22:22,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 01:22:22,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 01:22:22,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 01:22:22,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:22:22" (1/1) ... [2020-10-06 01:22:22,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1734563b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22, skipping insertion in model container [2020-10-06 01:22:22,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:22:22" (1/1) ... [2020-10-06 01:22:22,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 01:22:22,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 01:22:22,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:22:22,756 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 01:22:22,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:22:22,918 INFO L208 MainTranslator]: Completed translation [2020-10-06 01:22:22,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22 WrapperNode [2020-10-06 01:22:22,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 01:22:22,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 01:22:22,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 01:22:22,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 01:22:22,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22" (1/1) ... [2020-10-06 01:22:22,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22" (1/1) ... [2020-10-06 01:22:22,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 01:22:22,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 01:22:22,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 01:22:22,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 01:22:22,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22" (1/1) ... [2020-10-06 01:22:22,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22" (1/1) ... [2020-10-06 01:22:22,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22" (1/1) ... [2020-10-06 01:22:22,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22" (1/1) ... [2020-10-06 01:22:22,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22" (1/1) ... [2020-10-06 01:22:22,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22" (1/1) ... [2020-10-06 01:22:23,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22" (1/1) ... [2020-10-06 01:22:23,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 01:22:23,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 01:22:23,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 01:22:23,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 01:22:23,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 01:22:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-06 01:22:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-06 01:22:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-06 01:22:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-06 01:22:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 01:22:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-06 01:22:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 01:22:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 01:22:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-06 01:22:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 01:22:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 01:22:23,076 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 01:22:23,477 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 01:22:23,477 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-06 01:22:23,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:22:23 BoogieIcfgContainer [2020-10-06 01:22:23,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 01:22:23,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 01:22:23,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 01:22:23,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 01:22:23,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 01:22:22" (1/3) ... [2020-10-06 01:22:23,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fb0dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:22:23, skipping insertion in model container [2020-10-06 01:22:23,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:22:22" (2/3) ... [2020-10-06 01:22:23,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fb0dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:22:23, skipping insertion in model container [2020-10-06 01:22:23,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:22:23" (3/3) ... [2020-10-06 01:22:23,489 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-2.i [2020-10-06 01:22:23,500 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 01:22:23,501 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 01:22:23,509 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 01:22:23,510 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 01:22:23,538 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,539 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,539 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,539 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,542 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,543 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,543 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,543 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,544 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,544 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,544 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,544 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,546 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,546 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,547 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,547 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,547 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,548 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,552 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,553 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,553 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,554 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,554 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:23,577 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-06 01:22:23,596 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:22:23,596 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:22:23,596 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:22:23,597 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:22:23,597 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:22:23,597 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:22:23,597 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:22:23,597 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:22:23,613 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 76 transitions, 162 flow [2020-10-06 01:22:23,615 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-10-06 01:22:23,666 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-06 01:22:23,667 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:22:23,677 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-10-06 01:22:23,681 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-10-06 01:22:23,706 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-06 01:22:23,706 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:22:23,708 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-10-06 01:22:23,710 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1242 [2020-10-06 01:22:23,711 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:22:24,974 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-06 01:22:25,430 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-10-06 01:22:25,978 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-10-06 01:22:26,481 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-06 01:22:26,746 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-06 01:22:26,750 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1089 [2020-10-06 01:22:26,750 INFO L214 etLargeBlockEncoding]: Total number of compositions: 77 [2020-10-06 01:22:26,754 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-10-06 01:22:26,763 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-10-06 01:22:26,766 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-10-06 01:22:26,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-06 01:22:26,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:26,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-06 01:22:26,774 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:26,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:26,778 INFO L82 PathProgramCache]: Analyzing trace with hash 313215, now seen corresponding path program 1 times [2020-10-06 01:22:26,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:26,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628734311] [2020-10-06 01:22:26,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:26,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:22:26,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628734311] [2020-10-06 01:22:26,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:26,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:22:26,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [504896308] [2020-10-06 01:22:26,979 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:26,981 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:26,995 INFO L258 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-06 01:22:26,996 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:27,000 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:27,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:22:27,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:27,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:22:27,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:27,022 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-10-06 01:22:27,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:27,058 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-10-06 01:22:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:22:27,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-06 01:22:27,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:27,071 INFO L225 Difference]: With dead ends: 35 [2020-10-06 01:22:27,072 INFO L226 Difference]: Without dead ends: 31 [2020-10-06 01:22:27,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:27,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-06 01:22:27,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-06 01:22:27,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-06 01:22:27,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-10-06 01:22:27,113 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-10-06 01:22:27,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:27,113 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-10-06 01:22:27,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:22:27,114 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-10-06 01:22:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-06 01:22:27,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:27,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:27,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 01:22:27,115 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:27,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:27,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1465583995, now seen corresponding path program 1 times [2020-10-06 01:22:27,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:27,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595318727] [2020-10-06 01:22:27,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:22:27,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595318727] [2020-10-06 01:22:27,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:27,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:22:27,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [31738747] [2020-10-06 01:22:27,251 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:27,252 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:27,256 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-06 01:22:27,256 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:27,257 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:27,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:22:27,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:27,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:22:27,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:22:27,259 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-10-06 01:22:27,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:27,287 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-10-06 01:22:27,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:22:27,288 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-06 01:22:27,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:27,289 INFO L225 Difference]: With dead ends: 26 [2020-10-06 01:22:27,289 INFO L226 Difference]: Without dead ends: 24 [2020-10-06 01:22:27,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:22:27,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-06 01:22:27,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-06 01:22:27,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-06 01:22:27,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-10-06 01:22:27,295 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-10-06 01:22:27,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:27,295 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-10-06 01:22:27,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:22:27,296 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-10-06 01:22:27,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-06 01:22:27,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:27,296 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:27,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 01:22:27,297 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:27,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:27,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1811562961, now seen corresponding path program 1 times [2020-10-06 01:22:27,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:27,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541024423] [2020-10-06 01:22:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:22:27,325 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:22:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:22:27,355 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:22:27,409 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:22:27,409 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:22:27,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 01:22:27,410 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 01:22:27,412 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 01:22:27,413 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-06 01:22:27,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,427 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,428 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,429 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,429 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,429 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,429 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,429 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,430 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,430 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,430 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,431 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,431 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,431 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,431 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,431 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,432 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,432 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,432 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,432 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,433 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,433 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,433 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,433 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,433 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,433 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,434 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,434 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,434 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,434 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,434 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,434 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,435 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,436 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,436 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,436 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,436 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,436 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,438 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,438 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,438 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,438 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,439 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,439 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,439 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,455 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,455 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,455 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,455 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,455 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,456 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,456 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,456 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,456 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,456 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,458 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,458 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,458 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,459 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,459 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,459 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,459 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,459 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,459 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,460 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:27,467 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 01:22:27,467 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:22:27,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:22:27,468 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:22:27,468 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:22:27,468 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:22:27,468 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:22:27,468 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:22:27,468 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:22:27,473 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 105 transitions, 234 flow [2020-10-06 01:22:27,473 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-10-06 01:22:27,532 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-06 01:22:27,532 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-06 01:22:27,534 INFO L80 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 226 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 129. Up to 6 conditions per place. [2020-10-06 01:22:27,541 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-10-06 01:22:27,577 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-06 01:22:27,577 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-06 01:22:27,582 INFO L80 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 226 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 129. Up to 6 conditions per place. [2020-10-06 01:22:27,585 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2844 [2020-10-06 01:22:27,586 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:22:29,336 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-10-06 01:22:29,977 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-06 01:22:30,095 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-06 01:22:30,102 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3611 [2020-10-06 01:22:30,102 INFO L214 etLargeBlockEncoding]: Total number of compositions: 94 [2020-10-06 01:22:30,102 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 28 transitions, 80 flow [2020-10-06 01:22:30,133 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 632 states. [2020-10-06 01:22:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states. [2020-10-06 01:22:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-06 01:22:30,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:30,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-06 01:22:30,134 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:22:30,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:30,135 INFO L82 PathProgramCache]: Analyzing trace with hash 544994, now seen corresponding path program 1 times [2020-10-06 01:22:30,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:30,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52600294] [2020-10-06 01:22:30,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:22:30,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52600294] [2020-10-06 01:22:30,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:30,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:22:30,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [886769781] [2020-10-06 01:22:30,169 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:30,170 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:30,171 INFO L258 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-06 01:22:30,171 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:30,171 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:30,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:22:30,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:30,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:22:30,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:30,172 INFO L87 Difference]: Start difference. First operand 632 states. Second operand 3 states. [2020-10-06 01:22:30,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:30,229 INFO L93 Difference]: Finished difference Result 748 states and 2357 transitions. [2020-10-06 01:22:30,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:22:30,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-06 01:22:30,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:30,249 INFO L225 Difference]: With dead ends: 748 [2020-10-06 01:22:30,249 INFO L226 Difference]: Without dead ends: 691 [2020-10-06 01:22:30,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:30,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-10-06 01:22:30,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 612. [2020-10-06 01:22:30,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-06 01:22:30,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1968 transitions. [2020-10-06 01:22:30,333 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1968 transitions. Word has length 3 [2020-10-06 01:22:30,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:30,334 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 1968 transitions. [2020-10-06 01:22:30,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:22:30,334 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1968 transitions. [2020-10-06 01:22:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 01:22:30,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:30,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:30,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 01:22:30,335 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:22:30,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:30,335 INFO L82 PathProgramCache]: Analyzing trace with hash 625478199, now seen corresponding path program 1 times [2020-10-06 01:22:30,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:30,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247243822] [2020-10-06 01:22:30,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:30,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:22:30,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247243822] [2020-10-06 01:22:30,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:30,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:22:30,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1948334830] [2020-10-06 01:22:30,443 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:30,444 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:30,448 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-06 01:22:30,448 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:30,448 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:30,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:22:30,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:30,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:22:30,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:22:30,450 INFO L87 Difference]: Start difference. First operand 612 states and 1968 transitions. Second operand 5 states. [2020-10-06 01:22:30,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:30,572 INFO L93 Difference]: Finished difference Result 900 states and 2708 transitions. [2020-10-06 01:22:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:22:30,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-06 01:22:30,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:30,582 INFO L225 Difference]: With dead ends: 900 [2020-10-06 01:22:30,582 INFO L226 Difference]: Without dead ends: 880 [2020-10-06 01:22:30,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:22:30,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-10-06 01:22:30,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 563. [2020-10-06 01:22:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-10-06 01:22:30,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1857 transitions. [2020-10-06 01:22:30,618 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1857 transitions. Word has length 10 [2020-10-06 01:22:30,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:30,619 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 1857 transitions. [2020-10-06 01:22:30,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:22:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1857 transitions. [2020-10-06 01:22:30,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 01:22:30,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:30,622 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:30,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 01:22:30,622 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:22:30,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:30,622 INFO L82 PathProgramCache]: Analyzing trace with hash -696224660, now seen corresponding path program 1 times [2020-10-06 01:22:30,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:30,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394130943] [2020-10-06 01:22:30,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:22:30,638 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:22:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:22:30,650 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:22:30,656 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:22:30,656 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:22:30,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 01:22:30,656 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 01:22:30,657 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 01:22:30,658 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-06 01:22:30,669 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,678 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,680 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,680 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,680 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,681 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,681 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,682 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,682 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,682 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,682 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,682 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,682 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,682 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,690 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,693 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,693 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,693 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,694 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,696 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:30,701 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-06 01:22:30,701 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:22:30,701 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:22:30,702 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:22:30,702 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:22:30,702 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:22:30,702 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:22:30,702 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:22:30,702 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:22:30,704 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 134 transitions, 310 flow [2020-10-06 01:22:30,704 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-10-06 01:22:30,726 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-06 01:22:30,726 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-06 01:22:30,728 INFO L80 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 326 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 168. Up to 8 conditions per place. [2020-10-06 01:22:30,733 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-10-06 01:22:30,750 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-06 01:22:30,750 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-06 01:22:30,752 INFO L80 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 326 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 168. Up to 8 conditions per place. [2020-10-06 01:22:30,757 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5130 [2020-10-06 01:22:30,758 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:22:33,510 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-10-06 01:22:33,824 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-06 01:22:33,943 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-06 01:22:33,952 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7576 [2020-10-06 01:22:33,952 INFO L214 etLargeBlockEncoding]: Total number of compositions: 120 [2020-10-06 01:22:33,953 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 38 transitions, 118 flow [2020-10-06 01:22:34,215 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3782 states. [2020-10-06 01:22:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states. [2020-10-06 01:22:34,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-06 01:22:34,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:34,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-06 01:22:34,216 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:22:34,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:34,217 INFO L82 PathProgramCache]: Analyzing trace with hash 833041, now seen corresponding path program 1 times [2020-10-06 01:22:34,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:34,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272973953] [2020-10-06 01:22:34,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:22:34,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272973953] [2020-10-06 01:22:34,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:34,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:22:34,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1472875791] [2020-10-06 01:22:34,266 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:34,267 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:34,267 INFO L258 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-06 01:22:34,267 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:34,268 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:34,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:22:34,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:34,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:22:34,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:34,269 INFO L87 Difference]: Start difference. First operand 3782 states. Second operand 3 states. [2020-10-06 01:22:34,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:34,374 INFO L93 Difference]: Finished difference Result 4669 states and 19397 transitions. [2020-10-06 01:22:34,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:22:34,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-06 01:22:34,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:34,419 INFO L225 Difference]: With dead ends: 4669 [2020-10-06 01:22:34,419 INFO L226 Difference]: Without dead ends: 4342 [2020-10-06 01:22:34,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:34,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2020-10-06 01:22:34,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 3858. [2020-10-06 01:22:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2020-10-06 01:22:34,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 16290 transitions. [2020-10-06 01:22:34,642 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 16290 transitions. Word has length 3 [2020-10-06 01:22:34,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:34,643 INFO L479 AbstractCegarLoop]: Abstraction has 3858 states and 16290 transitions. [2020-10-06 01:22:34,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:22:34,643 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 16290 transitions. [2020-10-06 01:22:34,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 01:22:34,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:34,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:34,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 01:22:34,645 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:22:34,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:34,645 INFO L82 PathProgramCache]: Analyzing trace with hash -642397451, now seen corresponding path program 1 times [2020-10-06 01:22:34,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:34,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534861063] [2020-10-06 01:22:34,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:22:34,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534861063] [2020-10-06 01:22:34,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:34,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:22:34,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [344077944] [2020-10-06 01:22:34,695 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:34,696 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:34,697 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-06 01:22:34,698 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:34,698 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:34,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:22:34,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:34,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:22:34,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:22:34,699 INFO L87 Difference]: Start difference. First operand 3858 states and 16290 transitions. Second operand 5 states. [2020-10-06 01:22:34,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:34,892 INFO L93 Difference]: Finished difference Result 6408 states and 25485 transitions. [2020-10-06 01:22:34,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:22:34,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-06 01:22:34,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:34,956 INFO L225 Difference]: With dead ends: 6408 [2020-10-06 01:22:34,956 INFO L226 Difference]: Without dead ends: 6352 [2020-10-06 01:22:34,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:22:35,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2020-10-06 01:22:35,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 3890. [2020-10-06 01:22:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2020-10-06 01:22:35,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 16721 transitions. [2020-10-06 01:22:35,272 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 16721 transitions. Word has length 10 [2020-10-06 01:22:35,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:35,273 INFO L479 AbstractCegarLoop]: Abstraction has 3890 states and 16721 transitions. [2020-10-06 01:22:35,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:22:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 16721 transitions. [2020-10-06 01:22:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 01:22:35,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:35,275 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:35,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-06 01:22:35,275 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:22:35,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:35,276 INFO L82 PathProgramCache]: Analyzing trace with hash -834312959, now seen corresponding path program 1 times [2020-10-06 01:22:35,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:35,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614127892] [2020-10-06 01:22:35,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:22:35,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614127892] [2020-10-06 01:22:35,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:35,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:22:35,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1321943396] [2020-10-06 01:22:35,316 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:35,317 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:35,320 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-06 01:22:35,320 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:35,320 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:35,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:22:35,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:35,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:22:35,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:22:35,321 INFO L87 Difference]: Start difference. First operand 3890 states and 16721 transitions. Second operand 5 states. [2020-10-06 01:22:35,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:35,491 INFO L93 Difference]: Finished difference Result 6754 states and 26605 transitions. [2020-10-06 01:22:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:22:35,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-06 01:22:35,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:35,529 INFO L225 Difference]: With dead ends: 6754 [2020-10-06 01:22:35,530 INFO L226 Difference]: Without dead ends: 6698 [2020-10-06 01:22:35,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:22:35,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6698 states. [2020-10-06 01:22:35,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6698 to 3876. [2020-10-06 01:22:35,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2020-10-06 01:22:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 16342 transitions. [2020-10-06 01:22:35,734 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 16342 transitions. Word has length 14 [2020-10-06 01:22:35,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:35,734 INFO L479 AbstractCegarLoop]: Abstraction has 3876 states and 16342 transitions. [2020-10-06 01:22:35,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:22:35,735 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 16342 transitions. [2020-10-06 01:22:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-06 01:22:35,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:35,737 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:35,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-06 01:22:35,738 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:22:35,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:35,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1249108271, now seen corresponding path program 1 times [2020-10-06 01:22:35,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:35,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340086600] [2020-10-06 01:22:35,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:22:35,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340086600] [2020-10-06 01:22:35,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:35,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:22:35,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [887345957] [2020-10-06 01:22:35,767 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:35,769 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:35,775 INFO L258 McrAutomatonBuilder]: Finished intersection with 32 states and 45 transitions. [2020-10-06 01:22:35,776 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:35,848 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:35,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:22:35,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:35,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:22:35,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:35,849 INFO L87 Difference]: Start difference. First operand 3876 states and 16342 transitions. Second operand 3 states. [2020-10-06 01:22:35,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:35,886 INFO L93 Difference]: Finished difference Result 1628 states and 4901 transitions. [2020-10-06 01:22:35,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:22:35,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-06 01:22:35,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:35,895 INFO L225 Difference]: With dead ends: 1628 [2020-10-06 01:22:35,895 INFO L226 Difference]: Without dead ends: 1628 [2020-10-06 01:22:35,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:35,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-10-06 01:22:35,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1610. [2020-10-06 01:22:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2020-10-06 01:22:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 4847 transitions. [2020-10-06 01:22:35,957 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 4847 transitions. Word has length 17 [2020-10-06 01:22:35,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:35,957 INFO L479 AbstractCegarLoop]: Abstraction has 1610 states and 4847 transitions. [2020-10-06 01:22:35,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:22:35,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 4847 transitions. [2020-10-06 01:22:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:22:35,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:35,959 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:35,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-06 01:22:35,959 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:22:35,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:35,960 INFO L82 PathProgramCache]: Analyzing trace with hash 229330979, now seen corresponding path program 1 times [2020-10-06 01:22:35,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:35,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451403692] [2020-10-06 01:22:35,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:36,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:22:36,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451403692] [2020-10-06 01:22:36,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713934681] [2020-10-06 01:22:36,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:22:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:36,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-06 01:22:36,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:22:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:22:36,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:22:36,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-06 01:22:36,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [684798352] [2020-10-06 01:22:36,250 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:36,253 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:36,261 INFO L258 McrAutomatonBuilder]: Finished intersection with 35 states and 50 transitions. [2020-10-06 01:22:36,261 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:36,322 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:36,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:22:36,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:36,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:22:36,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-06 01:22:36,324 INFO L87 Difference]: Start difference. First operand 1610 states and 4847 transitions. Second operand 7 states. [2020-10-06 01:22:36,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:36,630 INFO L93 Difference]: Finished difference Result 2817 states and 8005 transitions. [2020-10-06 01:22:36,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:22:36,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-06 01:22:36,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:36,643 INFO L225 Difference]: With dead ends: 2817 [2020-10-06 01:22:36,643 INFO L226 Difference]: Without dead ends: 2796 [2020-10-06 01:22:36,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2020-10-06 01:22:36,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2020-10-06 01:22:36,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 1515. [2020-10-06 01:22:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-10-06 01:22:36,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 4566 transitions. [2020-10-06 01:22:36,712 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 4566 transitions. Word has length 18 [2020-10-06 01:22:36,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:36,712 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 4566 transitions. [2020-10-06 01:22:36,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:22:36,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4566 transitions. [2020-10-06 01:22:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:22:36,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:36,714 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:36,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-06 01:22:36,930 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:22:36,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:36,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1406801102, now seen corresponding path program 1 times [2020-10-06 01:22:36,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:36,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811490181] [2020-10-06 01:22:36,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:22:37,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811490181] [2020-10-06 01:22:37,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:37,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 01:22:37,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1673272041] [2020-10-06 01:22:37,027 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:37,030 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:37,033 INFO L258 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-10-06 01:22:37,034 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:37,034 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:37,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:22:37,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:37,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:22:37,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:22:37,035 INFO L87 Difference]: Start difference. First operand 1515 states and 4566 transitions. Second operand 7 states. [2020-10-06 01:22:37,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:37,298 INFO L93 Difference]: Finished difference Result 2731 states and 7725 transitions. [2020-10-06 01:22:37,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:22:37,299 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-06 01:22:37,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:37,307 INFO L225 Difference]: With dead ends: 2731 [2020-10-06 01:22:37,307 INFO L226 Difference]: Without dead ends: 2698 [2020-10-06 01:22:37,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-06 01:22:37,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2020-10-06 01:22:37,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1205. [2020-10-06 01:22:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-10-06 01:22:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 3518 transitions. [2020-10-06 01:22:37,353 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 3518 transitions. Word has length 18 [2020-10-06 01:22:37,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:37,353 INFO L479 AbstractCegarLoop]: Abstraction has 1205 states and 3518 transitions. [2020-10-06 01:22:37,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:22:37,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3518 transitions. [2020-10-06 01:22:37,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:22:37,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:37,355 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:37,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-06 01:22:37,355 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:22:37,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:37,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1086137922, now seen corresponding path program 1 times [2020-10-06 01:22:37,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:37,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631641173] [2020-10-06 01:22:37,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:37,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-06 01:22:37,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631641173] [2020-10-06 01:22:37,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:37,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:22:37,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1722744581] [2020-10-06 01:22:37,394 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:37,397 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:37,399 INFO L258 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-10-06 01:22:37,399 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:37,400 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:37,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:22:37,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:37,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:22:37,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:22:37,401 INFO L87 Difference]: Start difference. First operand 1205 states and 3518 transitions. Second operand 5 states. [2020-10-06 01:22:37,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:37,512 INFO L93 Difference]: Finished difference Result 2245 states and 6476 transitions. [2020-10-06 01:22:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:22:37,513 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-06 01:22:37,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:37,519 INFO L225 Difference]: With dead ends: 2245 [2020-10-06 01:22:37,519 INFO L226 Difference]: Without dead ends: 2233 [2020-10-06 01:22:37,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:22:37,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2020-10-06 01:22:37,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 1434. [2020-10-06 01:22:37,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-10-06 01:22:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 4291 transitions. [2020-10-06 01:22:37,568 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 4291 transitions. Word has length 18 [2020-10-06 01:22:37,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:37,568 INFO L479 AbstractCegarLoop]: Abstraction has 1434 states and 4291 transitions. [2020-10-06 01:22:37,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:22:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 4291 transitions. [2020-10-06 01:22:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:22:37,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:37,570 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:37,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-06 01:22:37,570 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:22:37,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:37,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1078743820, now seen corresponding path program 1 times [2020-10-06 01:22:37,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:37,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365341409] [2020-10-06 01:22:37,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:22:37,591 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:22:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:22:37,617 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:22:37,636 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:22:37,636 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:22:37,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-06 01:22:37,636 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 01:22:37,637 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 01:22:37,638 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-06 01:22:37,653 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,653 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,654 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,654 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,654 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,655 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,655 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,655 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,657 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,657 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,657 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,657 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,657 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,657 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,657 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,657 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,658 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,659 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,659 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,660 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,660 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,660 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,660 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,660 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,660 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,660 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,661 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,661 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,661 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,661 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,661 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,661 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,662 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,662 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,662 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,662 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,662 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,662 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,663 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,663 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,663 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,663 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,666 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,666 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,669 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,669 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,670 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,670 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,670 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,670 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,671 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,671 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,677 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,677 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,677 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,677 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,680 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,680 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,686 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,686 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,688 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,688 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,688 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,689 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,689 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,690 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,690 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,696 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:37,701 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-06 01:22:37,701 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:22:37,702 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:22:37,702 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:22:37,702 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:22:37,702 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:22:37,702 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:22:37,702 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:22:37,702 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:22:37,705 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 163 transitions, 390 flow [2020-10-06 01:22:37,705 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-10-06 01:22:37,738 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-06 01:22:37,738 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-06 01:22:37,740 INFO L80 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 431 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 208. Up to 10 conditions per place. [2020-10-06 01:22:37,750 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-10-06 01:22:37,807 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-06 01:22:37,808 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-06 01:22:37,809 INFO L80 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 431 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 208. Up to 10 conditions per place. [2020-10-06 01:22:37,818 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 8100 [2020-10-06 01:22:37,818 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:22:40,820 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-10-06 01:22:41,636 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2020-10-06 01:22:41,844 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-06 01:22:42,241 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 93 [2020-10-06 01:22:42,360 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-06 01:22:42,366 INFO L206 etLargeBlockEncoding]: Checked pairs total: 11405 [2020-10-06 01:22:42,366 INFO L214 etLargeBlockEncoding]: Total number of compositions: 148 [2020-10-06 01:22:42,367 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 45 transitions, 154 flow [2020-10-06 01:22:43,472 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13592 states. [2020-10-06 01:22:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states. [2020-10-06 01:22:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-06 01:22:43,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:43,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-06 01:22:43,473 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:43,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:43,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1179639, now seen corresponding path program 1 times [2020-10-06 01:22:43,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:43,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187545532] [2020-10-06 01:22:43,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:22:43,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187545532] [2020-10-06 01:22:43,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:43,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:22:43,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1085163843] [2020-10-06 01:22:43,497 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:43,497 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:43,497 INFO L258 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-06 01:22:43,497 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:43,498 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:43,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:22:43,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:43,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:22:43,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:43,501 INFO L87 Difference]: Start difference. First operand 13592 states. Second operand 3 states. [2020-10-06 01:22:43,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:43,695 INFO L93 Difference]: Finished difference Result 15456 states and 79163 transitions. [2020-10-06 01:22:43,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:22:43,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-06 01:22:43,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:43,780 INFO L225 Difference]: With dead ends: 15456 [2020-10-06 01:22:43,781 INFO L226 Difference]: Without dead ends: 14450 [2020-10-06 01:22:43,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:44,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14450 states. [2020-10-06 01:22:45,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14450 to 13395. [2020-10-06 01:22:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13395 states. [2020-10-06 01:22:45,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13395 states to 13395 states and 69324 transitions. [2020-10-06 01:22:45,443 INFO L78 Accepts]: Start accepts. Automaton has 13395 states and 69324 transitions. Word has length 3 [2020-10-06 01:22:45,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:45,444 INFO L479 AbstractCegarLoop]: Abstraction has 13395 states and 69324 transitions. [2020-10-06 01:22:45,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:22:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 13395 states and 69324 transitions. [2020-10-06 01:22:45,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 01:22:45,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:45,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:45,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-06 01:22:45,445 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:45,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:45,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1279109383, now seen corresponding path program 1 times [2020-10-06 01:22:45,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:45,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303634488] [2020-10-06 01:22:45,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:22:45,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303634488] [2020-10-06 01:22:45,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:45,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:22:45,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [261918425] [2020-10-06 01:22:45,484 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:45,485 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:45,486 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-06 01:22:45,486 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:45,486 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:45,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:22:45,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:45,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:22:45,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:22:45,487 INFO L87 Difference]: Start difference. First operand 13395 states and 69324 transitions. Second operand 5 states. [2020-10-06 01:22:45,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:45,830 INFO L93 Difference]: Finished difference Result 23586 states and 116096 transitions. [2020-10-06 01:22:45,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:22:45,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-06 01:22:45,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:45,935 INFO L225 Difference]: With dead ends: 23586 [2020-10-06 01:22:45,936 INFO L226 Difference]: Without dead ends: 23544 [2020-10-06 01:22:45,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:22:46,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23544 states. [2020-10-06 01:22:46,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23544 to 14448. [2020-10-06 01:22:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14448 states. [2020-10-06 01:22:46,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 75696 transitions. [2020-10-06 01:22:46,988 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 75696 transitions. Word has length 10 [2020-10-06 01:22:46,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:46,995 INFO L479 AbstractCegarLoop]: Abstraction has 14448 states and 75696 transitions. [2020-10-06 01:22:46,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:22:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 75696 transitions. [2020-10-06 01:22:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 01:22:46,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:46,996 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:46,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-06 01:22:46,997 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:46,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:46,997 INFO L82 PathProgramCache]: Analyzing trace with hash -284604684, now seen corresponding path program 1 times [2020-10-06 01:22:46,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:46,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530824867] [2020-10-06 01:22:46,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:22:47,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530824867] [2020-10-06 01:22:47,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:47,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:22:47,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [658871713] [2020-10-06 01:22:47,064 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:47,066 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:47,068 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-06 01:22:47,068 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:47,069 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:47,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:22:47,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:47,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:22:47,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:22:47,070 INFO L87 Difference]: Start difference. First operand 14448 states and 75696 transitions. Second operand 5 states. [2020-10-06 01:22:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:47,368 INFO L93 Difference]: Finished difference Result 25978 states and 129320 transitions. [2020-10-06 01:22:47,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:22:47,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-06 01:22:47,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:47,457 INFO L225 Difference]: With dead ends: 25978 [2020-10-06 01:22:47,457 INFO L226 Difference]: Without dead ends: 25910 [2020-10-06 01:22:47,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:22:48,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25910 states. [2020-10-06 01:22:49,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25910 to 15939. [2020-10-06 01:22:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15939 states. [2020-10-06 01:22:49,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15939 states to 15939 states and 84384 transitions. [2020-10-06 01:22:49,302 INFO L78 Accepts]: Start accepts. Automaton has 15939 states and 84384 transitions. Word has length 14 [2020-10-06 01:22:49,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:49,303 INFO L479 AbstractCegarLoop]: Abstraction has 15939 states and 84384 transitions. [2020-10-06 01:22:49,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:22:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand 15939 states and 84384 transitions. [2020-10-06 01:22:49,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-06 01:22:49,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:49,304 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:49,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-06 01:22:49,305 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:49,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:49,305 INFO L82 PathProgramCache]: Analyzing trace with hash -391482428, now seen corresponding path program 1 times [2020-10-06 01:22:49,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:49,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939438926] [2020-10-06 01:22:49,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:22:49,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939438926] [2020-10-06 01:22:49,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:49,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:22:49,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1425376485] [2020-10-06 01:22:49,335 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:49,337 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:49,340 INFO L258 McrAutomatonBuilder]: Finished intersection with 20 states and 21 transitions. [2020-10-06 01:22:49,340 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:49,342 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:49,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:22:49,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:49,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:22:49,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:49,343 INFO L87 Difference]: Start difference. First operand 15939 states and 84384 transitions. Second operand 3 states. [2020-10-06 01:22:49,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:49,396 INFO L93 Difference]: Finished difference Result 3357 states and 9797 transitions. [2020-10-06 01:22:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:22:49,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-06 01:22:49,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:49,404 INFO L225 Difference]: With dead ends: 3357 [2020-10-06 01:22:49,404 INFO L226 Difference]: Without dead ends: 3357 [2020-10-06 01:22:49,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:22:49,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-10-06 01:22:49,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 3357. [2020-10-06 01:22:49,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3357 states. [2020-10-06 01:22:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 9797 transitions. [2020-10-06 01:22:49,486 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 9797 transitions. Word has length 17 [2020-10-06 01:22:49,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:49,486 INFO L479 AbstractCegarLoop]: Abstraction has 3357 states and 9797 transitions. [2020-10-06 01:22:49,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:22:49,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 9797 transitions. [2020-10-06 01:22:49,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:22:49,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:49,488 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:49,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-06 01:22:49,488 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:49,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:49,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1421383457, now seen corresponding path program 1 times [2020-10-06 01:22:49,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:49,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456621506] [2020-10-06 01:22:49,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-06 01:22:49,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456621506] [2020-10-06 01:22:49,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:49,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:22:49,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [193342568] [2020-10-06 01:22:49,529 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:49,532 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:49,535 INFO L258 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-10-06 01:22:49,535 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:49,536 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:49,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:22:49,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:49,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:22:49,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:22:49,537 INFO L87 Difference]: Start difference. First operand 3357 states and 9797 transitions. Second operand 5 states. [2020-10-06 01:22:49,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:49,969 INFO L93 Difference]: Finished difference Result 5159 states and 14529 transitions. [2020-10-06 01:22:49,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:22:49,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-06 01:22:49,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:49,980 INFO L225 Difference]: With dead ends: 5159 [2020-10-06 01:22:49,980 INFO L226 Difference]: Without dead ends: 5149 [2020-10-06 01:22:49,981 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:22:50,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5149 states. [2020-10-06 01:22:50,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5149 to 3425. [2020-10-06 01:22:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3425 states. [2020-10-06 01:22:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 9962 transitions. [2020-10-06 01:22:50,093 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 9962 transitions. Word has length 18 [2020-10-06 01:22:50,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:50,093 INFO L479 AbstractCegarLoop]: Abstraction has 3425 states and 9962 transitions. [2020-10-06 01:22:50,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:22:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 9962 transitions. [2020-10-06 01:22:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:22:50,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:50,095 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:50,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-06 01:22:50,095 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:50,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:50,095 INFO L82 PathProgramCache]: Analyzing trace with hash 723420348, now seen corresponding path program 1 times [2020-10-06 01:22:50,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:50,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247086687] [2020-10-06 01:22:50,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:22:50,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247086687] [2020-10-06 01:22:50,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:50,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 01:22:50,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1246108293] [2020-10-06 01:22:50,155 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:50,159 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:50,162 INFO L258 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-10-06 01:22:50,163 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:50,163 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:50,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:22:50,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:50,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:22:50,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:22:50,164 INFO L87 Difference]: Start difference. First operand 3425 states and 9962 transitions. Second operand 7 states. [2020-10-06 01:22:50,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:50,502 INFO L93 Difference]: Finished difference Result 6347 states and 17564 transitions. [2020-10-06 01:22:50,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:22:50,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-06 01:22:50,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:50,511 INFO L225 Difference]: With dead ends: 6347 [2020-10-06 01:22:50,512 INFO L226 Difference]: Without dead ends: 6323 [2020-10-06 01:22:50,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-06 01:22:50,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6323 states. [2020-10-06 01:22:50,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6323 to 3381. [2020-10-06 01:22:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-10-06 01:22:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 9842 transitions. [2020-10-06 01:22:50,587 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 9842 transitions. Word has length 18 [2020-10-06 01:22:50,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:50,587 INFO L479 AbstractCegarLoop]: Abstraction has 3381 states and 9842 transitions. [2020-10-06 01:22:50,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:22:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 9842 transitions. [2020-10-06 01:22:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:22:50,588 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:50,588 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:50,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-06 01:22:50,589 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:50,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:50,589 INFO L82 PathProgramCache]: Analyzing trace with hash 830017445, now seen corresponding path program 1 times [2020-10-06 01:22:50,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:50,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390683373] [2020-10-06 01:22:50,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:22:50,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390683373] [2020-10-06 01:22:50,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:22:50,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 01:22:50,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [626399717] [2020-10-06 01:22:50,646 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:50,648 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:50,654 INFO L258 McrAutomatonBuilder]: Finished intersection with 35 states and 50 transitions. [2020-10-06 01:22:50,654 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:50,680 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:50,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:22:50,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:50,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:22:50,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:22:50,681 INFO L87 Difference]: Start difference. First operand 3381 states and 9842 transitions. Second operand 7 states. [2020-10-06 01:22:51,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:51,025 INFO L93 Difference]: Finished difference Result 6300 states and 17419 transitions. [2020-10-06 01:22:51,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:22:51,026 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-06 01:22:51,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:51,037 INFO L225 Difference]: With dead ends: 6300 [2020-10-06 01:22:51,038 INFO L226 Difference]: Without dead ends: 6273 [2020-10-06 01:22:51,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-06 01:22:51,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6273 states. [2020-10-06 01:22:51,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6273 to 3234. [2020-10-06 01:22:51,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3234 states. [2020-10-06 01:22:51,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 9399 transitions. [2020-10-06 01:22:51,128 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 9399 transitions. Word has length 18 [2020-10-06 01:22:51,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:51,129 INFO L479 AbstractCegarLoop]: Abstraction has 3234 states and 9399 transitions. [2020-10-06 01:22:51,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:22:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 9399 transitions. [2020-10-06 01:22:51,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-06 01:22:51,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:51,131 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:51,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-06 01:22:51,131 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:51,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:51,131 INFO L82 PathProgramCache]: Analyzing trace with hash 533807354, now seen corresponding path program 1 times [2020-10-06 01:22:51,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:51,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378376741] [2020-10-06 01:22:51,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-06 01:22:51,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378376741] [2020-10-06 01:22:51,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744112332] [2020-10-06 01:22:51,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:22:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:22:51,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-06 01:22:51,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:22:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-06 01:22:51,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:22:51,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-06 01:22:51,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [118943883] [2020-10-06 01:22:51,359 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:22:51,365 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:22:51,376 INFO L258 McrAutomatonBuilder]: Finished intersection with 39 states and 54 transitions. [2020-10-06 01:22:51,377 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:22:51,467 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:22:51,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:22:51,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:22:51,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:22:51,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-06 01:22:51,469 INFO L87 Difference]: Start difference. First operand 3234 states and 9399 transitions. Second operand 7 states. [2020-10-06 01:22:51,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:22:51,881 INFO L93 Difference]: Finished difference Result 6095 states and 16808 transitions. [2020-10-06 01:22:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:22:51,881 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-06 01:22:51,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:22:51,892 INFO L225 Difference]: With dead ends: 6095 [2020-10-06 01:22:51,892 INFO L226 Difference]: Without dead ends: 6079 [2020-10-06 01:22:51,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2020-10-06 01:22:51,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6079 states. [2020-10-06 01:22:52,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6079 to 3118. [2020-10-06 01:22:52,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3118 states. [2020-10-06 01:22:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 9018 transitions. [2020-10-06 01:22:52,108 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 9018 transitions. Word has length 22 [2020-10-06 01:22:52,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:22:52,109 INFO L479 AbstractCegarLoop]: Abstraction has 3118 states and 9018 transitions. [2020-10-06 01:22:52,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:22:52,109 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 9018 transitions. [2020-10-06 01:22:52,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-06 01:22:52,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:22:52,111 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:22:52,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:22:52,312 INFO L427 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 01:22:52,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:22:52,313 INFO L82 PathProgramCache]: Analyzing trace with hash 152610057, now seen corresponding path program 1 times [2020-10-06 01:22:52,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:22:52,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560434819] [2020-10-06 01:22:52,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:22:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:22:52,327 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:22:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:22:52,335 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:22:52,344 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:22:52,344 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:22:52,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-06 01:22:52,345 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 01:22:52,345 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 01:22:52,346 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-06 01:22:52,374 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,374 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,374 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,375 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,375 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,375 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,375 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,375 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,375 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,375 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,376 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,376 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,376 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,376 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,376 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,376 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,376 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,377 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,377 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,377 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,377 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,377 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,377 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,377 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,377 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,378 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,378 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,378 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,378 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,378 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,378 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,378 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,378 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,379 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,379 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,379 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,379 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,379 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,379 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,379 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,379 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,380 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,380 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,380 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,380 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,380 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,380 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,380 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,381 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,381 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,381 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,384 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,385 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,385 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,385 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,385 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,386 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,386 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,387 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,387 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,387 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,387 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,388 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,388 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,388 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,389 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,389 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,390 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,390 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,390 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,391 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,391 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,391 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,391 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,391 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,391 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,391 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,392 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,392 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,395 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,395 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,395 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,395 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,396 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,397 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,398 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,398 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,398 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,398 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,398 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,398 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,398 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,399 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,399 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,406 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,407 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,407 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,407 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,407 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,407 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,408 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,408 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,409 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,409 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,409 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,409 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,409 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,410 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,410 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,410 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,410 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,410 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,411 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,412 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,412 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,412 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,412 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,412 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,412 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,412 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,413 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,413 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,414 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,414 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,414 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,415 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,415 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,416 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,417 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,418 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,418 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,421 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,421 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:22:52,428 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-06 01:22:52,428 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:22:52,428 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:22:52,428 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:22:52,429 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:22:52,429 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:22:52,429 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:22:52,429 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:22:52,429 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:22:52,431 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 192 transitions, 474 flow [2020-10-06 01:22:52,431 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-10-06 01:22:52,464 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-06 01:22:52,465 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-06 01:22:52,467 INFO L80 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 532 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2020-10-06 01:22:52,479 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-10-06 01:22:52,508 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-06 01:22:52,508 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-06 01:22:52,511 INFO L80 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 532 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2020-10-06 01:22:52,518 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11754 [2020-10-06 01:22:52,518 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:22:55,468 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-10-06 01:22:56,470 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-06 01:22:56,713 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-06 01:22:56,725 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17538 [2020-10-06 01:22:56,725 INFO L214 etLargeBlockEncoding]: Total number of compositions: 176 [2020-10-06 01:22:56,725 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 56 transitions, 202 flow [2020-10-06 01:23:22,574 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 97217 states. [2020-10-06 01:23:22,575 INFO L276 IsEmpty]: Start isEmpty. Operand 97217 states. [2020-10-06 01:23:22,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-06 01:23:22,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:23:22,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-06 01:23:22,575 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:23:22,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:23:22,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1584808, now seen corresponding path program 1 times [2020-10-06 01:23:22,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:23:22,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499997198] [2020-10-06 01:23:22,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:23:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:23:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:23:22,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499997198] [2020-10-06 01:23:22,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:23:22,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:23:22,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1063022213] [2020-10-06 01:23:22,602 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:23:22,602 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:23:22,603 INFO L258 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-06 01:23:22,603 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:23:22,603 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:23:22,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:23:22,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:23:22,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:23:22,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:23:22,604 INFO L87 Difference]: Start difference. First operand 97217 states. Second operand 3 states. [2020-10-06 01:23:23,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:23:23,779 INFO L93 Difference]: Finished difference Result 118175 states and 731030 transitions. [2020-10-06 01:23:23,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:23:23,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-06 01:23:23,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:23:28,540 INFO L225 Difference]: With dead ends: 118175 [2020-10-06 01:23:28,540 INFO L226 Difference]: Without dead ends: 110531 [2020-10-06 01:23:28,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:23:30,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110531 states. [2020-10-06 01:23:33,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110531 to 100755. [2020-10-06 01:23:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100755 states. [2020-10-06 01:23:33,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100755 states to 100755 states and 628402 transitions. [2020-10-06 01:23:33,718 INFO L78 Accepts]: Start accepts. Automaton has 100755 states and 628402 transitions. Word has length 3 [2020-10-06 01:23:33,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:23:33,719 INFO L479 AbstractCegarLoop]: Abstraction has 100755 states and 628402 transitions. [2020-10-06 01:23:33,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:23:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 100755 states and 628402 transitions. [2020-10-06 01:23:33,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 01:23:33,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:23:33,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:23:33,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-06 01:23:33,719 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:23:33,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:23:33,720 INFO L82 PathProgramCache]: Analyzing trace with hash 706336859, now seen corresponding path program 1 times [2020-10-06 01:23:33,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:23:33,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898174551] [2020-10-06 01:23:33,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:23:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:23:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:23:33,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898174551] [2020-10-06 01:23:33,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:23:33,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:23:33,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1557869959] [2020-10-06 01:23:33,767 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:23:33,768 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:23:33,768 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-06 01:23:33,768 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:23:33,768 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:23:33,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:23:33,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:23:33,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:23:33,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:23:33,769 INFO L87 Difference]: Start difference. First operand 100755 states and 628402 transitions. Second operand 5 states. [2020-10-06 01:23:38,303 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification that was a NOOP. DAG size: 11 [2020-10-06 01:23:41,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:23:41,015 INFO L93 Difference]: Finished difference Result 187755 states and 1125902 transitions. [2020-10-06 01:23:41,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:23:41,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-06 01:23:41,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:23:41,810 INFO L225 Difference]: With dead ends: 187755 [2020-10-06 01:23:41,810 INFO L226 Difference]: Without dead ends: 187578 [2020-10-06 01:23:41,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:23:45,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187578 states. [2020-10-06 01:23:55,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187578 to 111945. [2020-10-06 01:23:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111945 states. [2020-10-06 01:23:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111945 states to 111945 states and 706831 transitions. [2020-10-06 01:23:56,245 INFO L78 Accepts]: Start accepts. Automaton has 111945 states and 706831 transitions. Word has length 10 [2020-10-06 01:23:56,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:23:56,245 INFO L479 AbstractCegarLoop]: Abstraction has 111945 states and 706831 transitions. [2020-10-06 01:23:56,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:23:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 111945 states and 706831 transitions. [2020-10-06 01:23:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 01:23:56,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:23:56,246 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:23:56,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-06 01:23:56,246 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:23:56,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:23:56,246 INFO L82 PathProgramCache]: Analyzing trace with hash -748578768, now seen corresponding path program 1 times [2020-10-06 01:23:56,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:23:56,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524765051] [2020-10-06 01:23:56,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:23:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:23:56,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:23:56,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524765051] [2020-10-06 01:23:56,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:23:56,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:23:56,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [749487225] [2020-10-06 01:23:56,304 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:23:56,305 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:23:56,306 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-06 01:23:56,307 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:23:56,307 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:23:56,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:23:56,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:23:56,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:23:56,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:23:56,308 INFO L87 Difference]: Start difference. First operand 111945 states and 706831 transitions. Second operand 5 states. [2020-10-06 01:24:04,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:04,013 INFO L93 Difference]: Finished difference Result 212246 states and 1288288 transitions. [2020-10-06 01:24:04,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:24:04,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-06 01:24:04,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:05,887 INFO L225 Difference]: With dead ends: 212246 [2020-10-06 01:24:05,887 INFO L226 Difference]: Without dead ends: 211934 [2020-10-06 01:24:05,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:24:08,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211934 states. [2020-10-06 01:24:16,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211934 to 127498. [2020-10-06 01:24:16,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127498 states. [2020-10-06 01:24:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127498 states to 127498 states and 815584 transitions. [2020-10-06 01:24:18,602 INFO L78 Accepts]: Start accepts. Automaton has 127498 states and 815584 transitions. Word has length 14 [2020-10-06 01:24:18,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:18,602 INFO L479 AbstractCegarLoop]: Abstraction has 127498 states and 815584 transitions. [2020-10-06 01:24:18,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:24:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 127498 states and 815584 transitions. [2020-10-06 01:24:18,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-06 01:24:18,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:18,604 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:18,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-06 01:24:18,604 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:18,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:18,604 INFO L82 PathProgramCache]: Analyzing trace with hash 921085459, now seen corresponding path program 1 times [2020-10-06 01:24:18,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:18,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315218174] [2020-10-06 01:24:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:24:18,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315218174] [2020-10-06 01:24:18,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:18,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:24:18,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2095030942] [2020-10-06 01:24:18,647 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:18,649 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:18,654 INFO L258 McrAutomatonBuilder]: Finished intersection with 32 states and 45 transitions. [2020-10-06 01:24:18,654 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:18,710 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:18,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:24:18,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:18,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:24:18,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:24:18,711 INFO L87 Difference]: Start difference. First operand 127498 states and 815584 transitions. Second operand 3 states. [2020-10-06 01:24:18,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:18,800 INFO L93 Difference]: Finished difference Result 14050 states and 46115 transitions. [2020-10-06 01:24:18,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:24:18,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-06 01:24:18,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:18,824 INFO L225 Difference]: With dead ends: 14050 [2020-10-06 01:24:18,824 INFO L226 Difference]: Without dead ends: 14050 [2020-10-06 01:24:18,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:24:18,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2020-10-06 01:24:19,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 13870. [2020-10-06 01:24:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13870 states. [2020-10-06 01:24:19,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13870 states to 13870 states and 45593 transitions. [2020-10-06 01:24:19,110 INFO L78 Accepts]: Start accepts. Automaton has 13870 states and 45593 transitions. Word has length 17 [2020-10-06 01:24:19,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:19,110 INFO L479 AbstractCegarLoop]: Abstraction has 13870 states and 45593 transitions. [2020-10-06 01:24:19,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:24:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 13870 states and 45593 transitions. [2020-10-06 01:24:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:24:19,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:19,111 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:19,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-06 01:24:19,111 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:19,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:19,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1755375156, now seen corresponding path program 1 times [2020-10-06 01:24:19,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:19,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582853245] [2020-10-06 01:24:19,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:19,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:24:19,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582853245] [2020-10-06 01:24:19,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863101549] [2020-10-06 01:24:19,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:19,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-06 01:24:19,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:24:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:24:19,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:24:19,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-06 01:24:19,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [717463674] [2020-10-06 01:24:19,337 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:19,340 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:19,346 INFO L258 McrAutomatonBuilder]: Finished intersection with 35 states and 50 transitions. [2020-10-06 01:24:19,346 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:19,411 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [1435084#(<= (+ ~x~0 5) ~n~0), 1435083#(<= (+ thr2Thread1of5ForFork0_~t~0 5) ~n~0)] [2020-10-06 01:24:19,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 01:24:19,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:19,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 01:24:19,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-10-06 01:24:19,412 INFO L87 Difference]: Start difference. First operand 13870 states and 45593 transitions. Second operand 9 states. [2020-10-06 01:24:19,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:19,942 INFO L93 Difference]: Finished difference Result 28297 states and 88595 transitions. [2020-10-06 01:24:19,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:19,943 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-10-06 01:24:19,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:19,990 INFO L225 Difference]: With dead ends: 28297 [2020-10-06 01:24:19,990 INFO L226 Difference]: Without dead ends: 28227 [2020-10-06 01:24:19,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-10-06 01:24:21,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28227 states. [2020-10-06 01:24:21,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28227 to 13185. [2020-10-06 01:24:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13185 states. [2020-10-06 01:24:21,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 43189 transitions. [2020-10-06 01:24:21,667 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 43189 transitions. Word has length 18 [2020-10-06 01:24:21,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:21,668 INFO L479 AbstractCegarLoop]: Abstraction has 13185 states and 43189 transitions. [2020-10-06 01:24:21,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 01:24:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 43189 transitions. [2020-10-06 01:24:21,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:24:21,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:21,669 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:21,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-10-06 01:24:21,877 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:21,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:21,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1676322857, now seen corresponding path program 1 times [2020-10-06 01:24:21,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:21,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918065483] [2020-10-06 01:24:21,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:21,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:24:21,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918065483] [2020-10-06 01:24:21,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:21,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 01:24:21,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1895002246] [2020-10-06 01:24:21,970 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:21,973 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:21,976 INFO L258 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-10-06 01:24:21,976 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:21,977 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:21,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:24:21,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:21,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:24:21,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:24:21,978 INFO L87 Difference]: Start difference. First operand 13185 states and 43189 transitions. Second operand 7 states. [2020-10-06 01:24:22,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:22,480 INFO L93 Difference]: Finished difference Result 28575 states and 89516 transitions. [2020-10-06 01:24:22,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:22,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-06 01:24:22,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:22,529 INFO L225 Difference]: With dead ends: 28575 [2020-10-06 01:24:22,529 INFO L226 Difference]: Without dead ends: 28491 [2020-10-06 01:24:22,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-06 01:24:22,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28491 states. [2020-10-06 01:24:22,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28491 to 12294. [2020-10-06 01:24:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12294 states. [2020-10-06 01:24:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12294 states to 12294 states and 40114 transitions. [2020-10-06 01:24:22,895 INFO L78 Accepts]: Start accepts. Automaton has 12294 states and 40114 transitions. Word has length 18 [2020-10-06 01:24:22,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:22,895 INFO L479 AbstractCegarLoop]: Abstraction has 12294 states and 40114 transitions. [2020-10-06 01:24:22,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:24:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 12294 states and 40114 transitions. [2020-10-06 01:24:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:24:22,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:22,897 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:22,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-06 01:24:22,897 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:22,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:22,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1820904367, now seen corresponding path program 1 times [2020-10-06 01:24:22,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:22,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996810796] [2020-10-06 01:24:22,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:22,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-06 01:24:22,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996810796] [2020-10-06 01:24:22,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:22,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:24:22,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [239606873] [2020-10-06 01:24:22,962 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:22,963 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:22,966 INFO L258 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-10-06 01:24:22,966 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:22,966 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:22,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:24:22,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:22,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:24:22,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:24:22,967 INFO L87 Difference]: Start difference. First operand 12294 states and 40114 transitions. Second operand 5 states. [2020-10-06 01:24:23,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:23,264 INFO L93 Difference]: Finished difference Result 24605 states and 79893 transitions. [2020-10-06 01:24:23,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:24:23,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-06 01:24:23,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:23,329 INFO L225 Difference]: With dead ends: 24605 [2020-10-06 01:24:23,329 INFO L226 Difference]: Without dead ends: 24581 [2020-10-06 01:24:23,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:24:23,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2020-10-06 01:24:24,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 13787. [2020-10-06 01:24:24,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13787 states. [2020-10-06 01:24:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13787 states to 13787 states and 45295 transitions. [2020-10-06 01:24:24,977 INFO L78 Accepts]: Start accepts. Automaton has 13787 states and 45295 transitions. Word has length 18 [2020-10-06 01:24:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:24,977 INFO L479 AbstractCegarLoop]: Abstraction has 13787 states and 45295 transitions. [2020-10-06 01:24:24,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:24:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 13787 states and 45295 transitions. [2020-10-06 01:24:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-06 01:24:24,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:24,979 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:24,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-06 01:24:24,979 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:24,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:24,979 INFO L82 PathProgramCache]: Analyzing trace with hash 862095341, now seen corresponding path program 1 times [2020-10-06 01:24:24,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:24,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471626335] [2020-10-06 01:24:24,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-06 01:24:25,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471626335] [2020-10-06 01:24:25,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010825094] [2020-10-06 01:24:25,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:25,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-06 01:24:25,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:24:25,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-06 01:24:25,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:24:25,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-06 01:24:25,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2080131229] [2020-10-06 01:24:25,217 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:25,220 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:25,232 INFO L258 McrAutomatonBuilder]: Finished intersection with 55 states and 86 transitions. [2020-10-06 01:24:25,232 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:25,362 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [1595217#(<= (+ thr2Thread1of5ForFork0_~t~0 5) ~n~0), 1595218#(<= (+ ~x~0 5) ~n~0)] [2020-10-06 01:24:25,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 01:24:25,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:25,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 01:24:25,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-10-06 01:24:25,363 INFO L87 Difference]: Start difference. First operand 13787 states and 45295 transitions. Second operand 9 states. [2020-10-06 01:24:25,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:25,958 INFO L93 Difference]: Finished difference Result 31898 states and 102145 transitions. [2020-10-06 01:24:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:25,958 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-06 01:24:25,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:26,020 INFO L225 Difference]: With dead ends: 31898 [2020-10-06 01:24:26,020 INFO L226 Difference]: Without dead ends: 31865 [2020-10-06 01:24:26,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-10-06 01:24:26,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31865 states. [2020-10-06 01:24:26,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31865 to 13520. [2020-10-06 01:24:26,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13520 states. [2020-10-06 01:24:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13520 states to 13520 states and 44395 transitions. [2020-10-06 01:24:26,450 INFO L78 Accepts]: Start accepts. Automaton has 13520 states and 44395 transitions. Word has length 22 [2020-10-06 01:24:26,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:26,450 INFO L479 AbstractCegarLoop]: Abstraction has 13520 states and 44395 transitions. [2020-10-06 01:24:26,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 01:24:26,450 INFO L276 IsEmpty]: Start isEmpty. Operand 13520 states and 44395 transitions. [2020-10-06 01:24:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-06 01:24:26,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:26,452 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:26,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:26,659 INFO L427 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:26,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:26,660 INFO L82 PathProgramCache]: Analyzing trace with hash 611812975, now seen corresponding path program 1 times [2020-10-06 01:24:26,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:26,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069460147] [2020-10-06 01:24:26,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:24:26,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069460147] [2020-10-06 01:24:26,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283428926] [2020-10-06 01:24:26,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:26,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-06 01:24:26,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:24:26,888 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:24:26,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:24:26,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-06 01:24:26,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [15821243] [2020-10-06 01:24:26,888 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:26,891 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:26,897 INFO L258 McrAutomatonBuilder]: Finished intersection with 39 states and 54 transitions. [2020-10-06 01:24:26,897 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:26,936 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:26,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:24:26,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:26,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:24:26,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-06 01:24:26,937 INFO L87 Difference]: Start difference. First operand 13520 states and 44395 transitions. Second operand 7 states. [2020-10-06 01:24:27,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:27,534 INFO L93 Difference]: Finished difference Result 32253 states and 103231 transitions. [2020-10-06 01:24:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:27,535 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-06 01:24:27,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:27,594 INFO L225 Difference]: With dead ends: 32253 [2020-10-06 01:24:27,594 INFO L226 Difference]: Without dead ends: 32220 [2020-10-06 01:24:27,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2020-10-06 01:24:27,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32220 states. [2020-10-06 01:24:30,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32220 to 13635. [2020-10-06 01:24:30,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13635 states. [2020-10-06 01:24:30,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13635 states to 13635 states and 44805 transitions. [2020-10-06 01:24:30,196 INFO L78 Accepts]: Start accepts. Automaton has 13635 states and 44805 transitions. Word has length 22 [2020-10-06 01:24:30,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:30,197 INFO L479 AbstractCegarLoop]: Abstraction has 13635 states and 44805 transitions. [2020-10-06 01:24:30,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:24:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 13635 states and 44805 transitions. [2020-10-06 01:24:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-06 01:24:30,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:30,199 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:30,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2020-10-06 01:24:30,409 INFO L427 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:30,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:30,409 INFO L82 PathProgramCache]: Analyzing trace with hash -704732583, now seen corresponding path program 1 times [2020-10-06 01:24:30,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:30,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626431043] [2020-10-06 01:24:30,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-06 01:24:30,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626431043] [2020-10-06 01:24:30,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:30,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 01:24:30,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1648940354] [2020-10-06 01:24:30,497 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:30,500 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:30,504 INFO L258 McrAutomatonBuilder]: Finished intersection with 23 states and 22 transitions. [2020-10-06 01:24:30,504 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:30,505 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:30,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:24:30,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:30,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:24:30,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:24:30,506 INFO L87 Difference]: Start difference. First operand 13635 states and 44805 transitions. Second operand 7 states. [2020-10-06 01:24:31,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:31,027 INFO L93 Difference]: Finished difference Result 32335 states and 103485 transitions. [2020-10-06 01:24:31,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:31,027 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-06 01:24:31,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:31,088 INFO L225 Difference]: With dead ends: 32335 [2020-10-06 01:24:31,088 INFO L226 Difference]: Without dead ends: 32283 [2020-10-06 01:24:31,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-06 01:24:31,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32283 states. [2020-10-06 01:24:31,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32283 to 13344. [2020-10-06 01:24:31,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13344 states. [2020-10-06 01:24:31,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13344 states to 13344 states and 43620 transitions. [2020-10-06 01:24:31,511 INFO L78 Accepts]: Start accepts. Automaton has 13344 states and 43620 transitions. Word has length 22 [2020-10-06 01:24:31,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:31,511 INFO L479 AbstractCegarLoop]: Abstraction has 13344 states and 43620 transitions. [2020-10-06 01:24:31,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:24:31,511 INFO L276 IsEmpty]: Start isEmpty. Operand 13344 states and 43620 transitions. [2020-10-06 01:24:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-06 01:24:31,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:31,512 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:31,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-06 01:24:31,513 INFO L427 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:31,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:31,513 INFO L82 PathProgramCache]: Analyzing trace with hash -704227934, now seen corresponding path program 1 times [2020-10-06 01:24:31,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:31,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553621248] [2020-10-06 01:24:31,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-06 01:24:31,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553621248] [2020-10-06 01:24:31,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:31,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 01:24:31,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [670557850] [2020-10-06 01:24:31,569 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:31,572 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:31,576 INFO L258 McrAutomatonBuilder]: Finished intersection with 23 states and 22 transitions. [2020-10-06 01:24:31,577 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:31,577 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:31,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:24:31,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:31,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:24:31,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:24:31,578 INFO L87 Difference]: Start difference. First operand 13344 states and 43620 transitions. Second operand 7 states. [2020-10-06 01:24:32,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:32,084 INFO L93 Difference]: Finished difference Result 32291 states and 103296 transitions. [2020-10-06 01:24:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:32,084 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-06 01:24:32,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:32,142 INFO L225 Difference]: With dead ends: 32291 [2020-10-06 01:24:32,142 INFO L226 Difference]: Without dead ends: 32239 [2020-10-06 01:24:32,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-06 01:24:32,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32239 states. [2020-10-06 01:24:32,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32239 to 13053. [2020-10-06 01:24:32,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13053 states. [2020-10-06 01:24:32,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13053 states to 13053 states and 42435 transitions. [2020-10-06 01:24:32,784 INFO L78 Accepts]: Start accepts. Automaton has 13053 states and 42435 transitions. Word has length 22 [2020-10-06 01:24:32,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:32,784 INFO L479 AbstractCegarLoop]: Abstraction has 13053 states and 42435 transitions. [2020-10-06 01:24:32,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:24:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 13053 states and 42435 transitions. [2020-10-06 01:24:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-06 01:24:32,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:32,786 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:32,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-06 01:24:32,787 INFO L427 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:32,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:32,787 INFO L82 PathProgramCache]: Analyzing trace with hash 804840611, now seen corresponding path program 1 times [2020-10-06 01:24:32,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:32,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949368991] [2020-10-06 01:24:32,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-06 01:24:32,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949368991] [2020-10-06 01:24:32,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:32,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:24:32,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1792326896] [2020-10-06 01:24:32,830 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:32,832 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:32,836 INFO L258 McrAutomatonBuilder]: Finished intersection with 23 states and 22 transitions. [2020-10-06 01:24:32,836 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:32,837 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:32,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:24:32,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:32,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:24:32,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:24:32,838 INFO L87 Difference]: Start difference. First operand 13053 states and 42435 transitions. Second operand 5 states. [2020-10-06 01:24:33,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:33,113 INFO L93 Difference]: Finished difference Result 22796 states and 72726 transitions. [2020-10-06 01:24:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:24:33,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-06 01:24:33,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:33,169 INFO L225 Difference]: With dead ends: 22796 [2020-10-06 01:24:33,169 INFO L226 Difference]: Without dead ends: 22772 [2020-10-06 01:24:33,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:24:33,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22772 states. [2020-10-06 01:24:33,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22772 to 14368. [2020-10-06 01:24:33,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14368 states. [2020-10-06 01:24:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14368 states to 14368 states and 47032 transitions. [2020-10-06 01:24:33,562 INFO L78 Accepts]: Start accepts. Automaton has 14368 states and 47032 transitions. Word has length 22 [2020-10-06 01:24:33,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:33,562 INFO L479 AbstractCegarLoop]: Abstraction has 14368 states and 47032 transitions. [2020-10-06 01:24:33,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:24:33,562 INFO L276 IsEmpty]: Start isEmpty. Operand 14368 states and 47032 transitions. [2020-10-06 01:24:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:33,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:33,566 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:33,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-06 01:24:33,567 INFO L427 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:33,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:33,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1897376779, now seen corresponding path program 1 times [2020-10-06 01:24:33,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:33,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37698686] [2020-10-06 01:24:33,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:33,640 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:24:33,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37698686] [2020-10-06 01:24:33,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053810818] [2020-10-06 01:24:33,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:33,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-06 01:24:33,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:24:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:24:33,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:24:33,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-06 01:24:33,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [832842250] [2020-10-06 01:24:33,855 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:33,858 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:33,873 INFO L258 McrAutomatonBuilder]: Finished intersection with 75 states and 122 transitions. [2020-10-06 01:24:33,873 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:34,034 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [1882885#(<= (+ thr2Thread1of5ForFork0_~t~0 5) ~n~0), 1882886#(<= (+ ~x~0 5) ~n~0)] [2020-10-06 01:24:34,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-06 01:24:34,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:34,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-06 01:24:34,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-10-06 01:24:34,035 INFO L87 Difference]: Start difference. First operand 14368 states and 47032 transitions. Second operand 11 states. [2020-10-06 01:24:35,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:35,348 INFO L93 Difference]: Finished difference Result 41694 states and 132241 transitions. [2020-10-06 01:24:35,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-06 01:24:35,348 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2020-10-06 01:24:35,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:35,423 INFO L225 Difference]: With dead ends: 41694 [2020-10-06 01:24:35,423 INFO L226 Difference]: Without dead ends: 41661 [2020-10-06 01:24:35,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=376, Invalid=1264, Unknown=0, NotChecked=0, Total=1640 [2020-10-06 01:24:35,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41661 states. [2020-10-06 01:24:36,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41661 to 14289. [2020-10-06 01:24:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14289 states. [2020-10-06 01:24:36,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14289 states to 14289 states and 46800 transitions. [2020-10-06 01:24:36,129 INFO L78 Accepts]: Start accepts. Automaton has 14289 states and 46800 transitions. Word has length 26 [2020-10-06 01:24:36,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:36,129 INFO L479 AbstractCegarLoop]: Abstraction has 14289 states and 46800 transitions. [2020-10-06 01:24:36,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-06 01:24:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 14289 states and 46800 transitions. [2020-10-06 01:24:36,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:36,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:36,133 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:36,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:36,334 INFO L427 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:36,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:36,335 INFO L82 PathProgramCache]: Analyzing trace with hash 580831221, now seen corresponding path program 1 times [2020-10-06 01:24:36,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:36,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120743330] [2020-10-06 01:24:36,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-06 01:24:36,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120743330] [2020-10-06 01:24:36,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254474685] [2020-10-06 01:24:36,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:36,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-06 01:24:36,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:24:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-06 01:24:36,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:24:36,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-06 01:24:36,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [662672691] [2020-10-06 01:24:36,630 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:36,634 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:36,650 INFO L258 McrAutomatonBuilder]: Finished intersection with 59 states and 90 transitions. [2020-10-06 01:24:36,650 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:36,767 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [1953297#(<= (+ ~x~0 5) ~n~0), 1953296#(<= (+ thr2Thread1of5ForFork0_~t~0 5) ~n~0)] [2020-10-06 01:24:36,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-06 01:24:36,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:36,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-06 01:24:36,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-10-06 01:24:36,769 INFO L87 Difference]: Start difference. First operand 14289 states and 46800 transitions. Second operand 11 states. [2020-10-06 01:24:38,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:38,038 INFO L93 Difference]: Finished difference Result 41099 states and 130275 transitions. [2020-10-06 01:24:38,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-06 01:24:38,039 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2020-10-06 01:24:38,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:38,112 INFO L225 Difference]: With dead ends: 41099 [2020-10-06 01:24:38,112 INFO L226 Difference]: Without dead ends: 41038 [2020-10-06 01:24:38,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=376, Invalid=1264, Unknown=0, NotChecked=0, Total=1640 [2020-10-06 01:24:38,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41038 states. [2020-10-06 01:24:38,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41038 to 14154. [2020-10-06 01:24:38,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14154 states. [2020-10-06 01:24:38,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14154 states to 14154 states and 46395 transitions. [2020-10-06 01:24:38,605 INFO L78 Accepts]: Start accepts. Automaton has 14154 states and 46395 transitions. Word has length 26 [2020-10-06 01:24:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:38,605 INFO L479 AbstractCegarLoop]: Abstraction has 14154 states and 46395 transitions. [2020-10-06 01:24:38,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-06 01:24:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 14154 states and 46395 transitions. [2020-10-06 01:24:38,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:38,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:38,608 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:38,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2020-10-06 01:24:38,809 INFO L427 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:38,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:38,810 INFO L82 PathProgramCache]: Analyzing trace with hash 2090404415, now seen corresponding path program 1 times [2020-10-06 01:24:38,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:38,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095712399] [2020-10-06 01:24:38,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-06 01:24:38,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095712399] [2020-10-06 01:24:38,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029765649] [2020-10-06 01:24:38,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:39,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-06 01:24:39,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:24:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-06 01:24:39,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:24:39,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-06 01:24:39,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1637104021] [2020-10-06 01:24:39,094 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:39,098 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:39,119 INFO L258 McrAutomatonBuilder]: Finished intersection with 75 states and 122 transitions. [2020-10-06 01:24:39,120 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:39,266 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [2022838#(<= (+ thr2Thread1of5ForFork0_~t~0 5) ~n~0), 2022839#(<= (+ ~x~0 5) ~n~0)] [2020-10-06 01:24:39,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 01:24:39,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:39,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 01:24:39,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-10-06 01:24:39,267 INFO L87 Difference]: Start difference. First operand 14154 states and 46395 transitions. Second operand 9 states. [2020-10-06 01:24:39,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:39,788 INFO L93 Difference]: Finished difference Result 30015 states and 94989 transitions. [2020-10-06 01:24:39,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:39,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-10-06 01:24:39,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:39,839 INFO L225 Difference]: With dead ends: 30015 [2020-10-06 01:24:39,839 INFO L226 Difference]: Without dead ends: 29979 [2020-10-06 01:24:39,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-10-06 01:24:39,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29979 states. [2020-10-06 01:24:40,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29979 to 14016. [2020-10-06 01:24:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14016 states. [2020-10-06 01:24:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 45925 transitions. [2020-10-06 01:24:40,233 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 45925 transitions. Word has length 26 [2020-10-06 01:24:40,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:40,233 INFO L479 AbstractCegarLoop]: Abstraction has 14016 states and 45925 transitions. [2020-10-06 01:24:40,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 01:24:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 45925 transitions. [2020-10-06 01:24:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:40,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:40,237 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:40,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-10-06 01:24:40,438 INFO L427 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:40,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:40,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1259126849, now seen corresponding path program 1 times [2020-10-06 01:24:40,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:40,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394404622] [2020-10-06 01:24:40,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:40,490 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-06 01:24:40,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394404622] [2020-10-06 01:24:40,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479666257] [2020-10-06 01:24:40,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:40,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-06 01:24:40,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:24:40,638 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-06 01:24:40,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:24:40,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-06 01:24:40,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [321844822] [2020-10-06 01:24:40,639 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:40,643 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:40,659 INFO L258 McrAutomatonBuilder]: Finished intersection with 59 states and 90 transitions. [2020-10-06 01:24:40,659 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:40,749 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:40,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:24:40,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:40,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:24:40,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-06 01:24:40,751 INFO L87 Difference]: Start difference. First operand 14016 states and 45925 transitions. Second operand 7 states. [2020-10-06 01:24:41,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:41,264 INFO L93 Difference]: Finished difference Result 31636 states and 100720 transitions. [2020-10-06 01:24:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:41,264 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-06 01:24:41,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:41,340 INFO L225 Difference]: With dead ends: 31636 [2020-10-06 01:24:41,340 INFO L226 Difference]: Without dead ends: 31600 [2020-10-06 01:24:41,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2020-10-06 01:24:41,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31600 states. [2020-10-06 01:24:41,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31600 to 14486. [2020-10-06 01:24:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14486 states. [2020-10-06 01:24:41,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14486 states to 14486 states and 47676 transitions. [2020-10-06 01:24:41,923 INFO L78 Accepts]: Start accepts. Automaton has 14486 states and 47676 transitions. Word has length 26 [2020-10-06 01:24:41,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:41,924 INFO L479 AbstractCegarLoop]: Abstraction has 14486 states and 47676 transitions. [2020-10-06 01:24:41,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:24:41,924 INFO L276 IsEmpty]: Start isEmpty. Operand 14486 states and 47676 transitions. [2020-10-06 01:24:41,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:41,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:41,927 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:42,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-10-06 01:24:42,128 INFO L427 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:42,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:42,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1815374016, now seen corresponding path program 1 times [2020-10-06 01:24:42,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:42,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982476073] [2020-10-06 01:24:42,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:24:42,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982476073] [2020-10-06 01:24:42,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589618046] [2020-10-06 01:24:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:42,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-06 01:24:42,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:24:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:24:42,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:24:42,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-06 01:24:42,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1037418092] [2020-10-06 01:24:42,456 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:42,461 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:42,476 INFO L258 McrAutomatonBuilder]: Finished intersection with 43 states and 58 transitions. [2020-10-06 01:24:42,476 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:42,511 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:42,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 01:24:42,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:42,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 01:24:42,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-06 01:24:42,512 INFO L87 Difference]: Start difference. First operand 14486 states and 47676 transitions. Second operand 9 states. [2020-10-06 01:24:43,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:43,701 INFO L93 Difference]: Finished difference Result 41659 states and 132230 transitions. [2020-10-06 01:24:43,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-06 01:24:43,702 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-10-06 01:24:43,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:43,775 INFO L225 Difference]: With dead ends: 41659 [2020-10-06 01:24:43,775 INFO L226 Difference]: Without dead ends: 41612 [2020-10-06 01:24:43,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=343, Invalid=1139, Unknown=0, NotChecked=0, Total=1482 [2020-10-06 01:24:43,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41612 states. [2020-10-06 01:24:44,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41612 to 14407. [2020-10-06 01:24:44,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14407 states. [2020-10-06 01:24:44,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14407 states to 14407 states and 47444 transitions. [2020-10-06 01:24:44,266 INFO L78 Accepts]: Start accepts. Automaton has 14407 states and 47444 transitions. Word has length 26 [2020-10-06 01:24:44,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:44,266 INFO L479 AbstractCegarLoop]: Abstraction has 14407 states and 47444 transitions. [2020-10-06 01:24:44,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 01:24:44,266 INFO L276 IsEmpty]: Start isEmpty. Operand 14407 states and 47444 transitions. [2020-10-06 01:24:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:44,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:44,270 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:44,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-10-06 01:24:44,471 INFO L427 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:44,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:44,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1360285835, now seen corresponding path program 2 times [2020-10-06 01:24:44,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:44,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716602212] [2020-10-06 01:24:44,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:44,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:24:44,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716602212] [2020-10-06 01:24:44,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731673950] [2020-10-06 01:24:44,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:44,640 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-06 01:24:44,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-06 01:24:44,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-06 01:24:44,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:24:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:24:44,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:24:44,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-06 01:24:44,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1134016609] [2020-10-06 01:24:44,748 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:44,752 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:44,768 INFO L258 McrAutomatonBuilder]: Finished intersection with 59 states and 90 transitions. [2020-10-06 01:24:44,768 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:44,841 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:44,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 01:24:44,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:44,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 01:24:44,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-06 01:24:44,842 INFO L87 Difference]: Start difference. First operand 14407 states and 47444 transitions. Second operand 9 states. [2020-10-06 01:24:46,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:46,200 INFO L93 Difference]: Finished difference Result 39924 states and 125955 transitions. [2020-10-06 01:24:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-06 01:24:46,201 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-10-06 01:24:46,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:46,270 INFO L225 Difference]: With dead ends: 39924 [2020-10-06 01:24:46,270 INFO L226 Difference]: Without dead ends: 39877 [2020-10-06 01:24:46,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=343, Invalid=1139, Unknown=0, NotChecked=0, Total=1482 [2020-10-06 01:24:46,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39877 states. [2020-10-06 01:24:46,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39877 to 14132. [2020-10-06 01:24:46,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2020-10-06 01:24:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 46578 transitions. [2020-10-06 01:24:46,743 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 46578 transitions. Word has length 26 [2020-10-06 01:24:46,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:46,743 INFO L479 AbstractCegarLoop]: Abstraction has 14132 states and 46578 transitions. [2020-10-06 01:24:46,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 01:24:46,743 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 46578 transitions. [2020-10-06 01:24:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:46,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:46,746 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:46,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2020-10-06 01:24:46,947 INFO L427 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:46,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:46,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1755372160, now seen corresponding path program 2 times [2020-10-06 01:24:46,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:46,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079603555] [2020-10-06 01:24:46,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-06 01:24:47,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079603555] [2020-10-06 01:24:47,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:47,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-06 01:24:47,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1110945166] [2020-10-06 01:24:47,016 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:47,019 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:47,027 INFO L258 McrAutomatonBuilder]: Finished intersection with 27 states and 26 transitions. [2020-10-06 01:24:47,027 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:47,027 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:47,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 01:24:47,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:47,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 01:24:47,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-06 01:24:47,028 INFO L87 Difference]: Start difference. First operand 14132 states and 46578 transitions. Second operand 9 states. [2020-10-06 01:24:48,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:48,254 INFO L93 Difference]: Finished difference Result 41319 states and 131131 transitions. [2020-10-06 01:24:48,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-06 01:24:48,255 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-10-06 01:24:48,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:48,354 INFO L225 Difference]: With dead ends: 41319 [2020-10-06 01:24:48,355 INFO L226 Difference]: Without dead ends: 41263 [2020-10-06 01:24:48,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-10-06 01:24:48,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41263 states. [2020-10-06 01:24:48,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41263 to 13736. [2020-10-06 01:24:48,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13736 states. [2020-10-06 01:24:48,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13736 states to 13736 states and 45132 transitions. [2020-10-06 01:24:48,984 INFO L78 Accepts]: Start accepts. Automaton has 13736 states and 45132 transitions. Word has length 26 [2020-10-06 01:24:48,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:48,984 INFO L479 AbstractCegarLoop]: Abstraction has 13736 states and 45132 transitions. [2020-10-06 01:24:48,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 01:24:48,984 INFO L276 IsEmpty]: Start isEmpty. Operand 13736 states and 45132 transitions. [2020-10-06 01:24:48,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:48,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:48,988 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:48,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-06 01:24:48,988 INFO L427 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:48,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:48,988 INFO L82 PathProgramCache]: Analyzing trace with hash 431445621, now seen corresponding path program 2 times [2020-10-06 01:24:48,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:48,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632533269] [2020-10-06 01:24:48,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-06 01:24:49,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632533269] [2020-10-06 01:24:49,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:49,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-06 01:24:49,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1444312381] [2020-10-06 01:24:49,064 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:49,067 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:49,075 INFO L258 McrAutomatonBuilder]: Finished intersection with 27 states and 26 transitions. [2020-10-06 01:24:49,075 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:49,076 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:49,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 01:24:49,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:49,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 01:24:49,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-06 01:24:49,076 INFO L87 Difference]: Start difference. First operand 13736 states and 45132 transitions. Second operand 9 states. [2020-10-06 01:24:50,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:50,193 INFO L93 Difference]: Finished difference Result 40797 states and 129302 transitions. [2020-10-06 01:24:50,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-06 01:24:50,193 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-10-06 01:24:50,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:50,264 INFO L225 Difference]: With dead ends: 40797 [2020-10-06 01:24:50,265 INFO L226 Difference]: Without dead ends: 40717 [2020-10-06 01:24:50,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-10-06 01:24:50,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40717 states. [2020-10-06 01:24:50,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40717 to 12973. [2020-10-06 01:24:50,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12973 states. [2020-10-06 01:24:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12973 states to 12973 states and 42382 transitions. [2020-10-06 01:24:50,731 INFO L78 Accepts]: Start accepts. Automaton has 12973 states and 42382 transitions. Word has length 26 [2020-10-06 01:24:50,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:50,732 INFO L479 AbstractCegarLoop]: Abstraction has 12973 states and 42382 transitions. [2020-10-06 01:24:50,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 01:24:50,732 INFO L276 IsEmpty]: Start isEmpty. Operand 12973 states and 42382 transitions. [2020-10-06 01:24:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:50,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:50,735 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:50,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-06 01:24:50,735 INFO L427 AbstractCegarLoop]: === Iteration 21 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:50,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:50,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1899180499, now seen corresponding path program 1 times [2020-10-06 01:24:50,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:50,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477554847] [2020-10-06 01:24:50,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-06 01:24:50,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477554847] [2020-10-06 01:24:50,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163093516] [2020-10-06 01:24:50,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:50,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-06 01:24:50,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:24:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-06 01:24:50,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:24:50,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-06 01:24:50,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1012379356] [2020-10-06 01:24:50,951 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:50,954 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:50,961 INFO L258 McrAutomatonBuilder]: Finished intersection with 43 states and 58 transitions. [2020-10-06 01:24:50,961 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:51,025 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [2416280#(<= (+ thr2Thread3of5ForFork0_~t~0 5) ~n~0), 2416281#(<= (+ ~x~0 5) ~n~0)] [2020-10-06 01:24:51,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 01:24:51,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:51,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 01:24:51,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-10-06 01:24:51,026 INFO L87 Difference]: Start difference. First operand 12973 states and 42382 transitions. Second operand 9 states. [2020-10-06 01:24:51,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:51,680 INFO L93 Difference]: Finished difference Result 32044 states and 103297 transitions. [2020-10-06 01:24:51,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:51,681 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-10-06 01:24:51,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:51,738 INFO L225 Difference]: With dead ends: 32044 [2020-10-06 01:24:51,738 INFO L226 Difference]: Without dead ends: 32018 [2020-10-06 01:24:51,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-10-06 01:24:51,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32018 states. [2020-10-06 01:24:52,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32018 to 12978. [2020-10-06 01:24:52,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12978 states. [2020-10-06 01:24:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12978 states to 12978 states and 42356 transitions. [2020-10-06 01:24:52,129 INFO L78 Accepts]: Start accepts. Automaton has 12978 states and 42356 transitions. Word has length 26 [2020-10-06 01:24:52,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:52,129 INFO L479 AbstractCegarLoop]: Abstraction has 12978 states and 42356 transitions. [2020-10-06 01:24:52,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 01:24:52,130 INFO L276 IsEmpty]: Start isEmpty. Operand 12978 states and 42356 transitions. [2020-10-06 01:24:52,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:52,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:52,133 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:52,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:24:52,334 INFO L427 AbstractCegarLoop]: === Iteration 22 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:52,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:52,334 INFO L82 PathProgramCache]: Analyzing trace with hash 152437866, now seen corresponding path program 1 times [2020-10-06 01:24:52,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:52,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084568415] [2020-10-06 01:24:52,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-06 01:24:52,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084568415] [2020-10-06 01:24:52,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:52,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 01:24:52,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1870313448] [2020-10-06 01:24:52,387 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:52,391 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:52,397 INFO L258 McrAutomatonBuilder]: Finished intersection with 27 states and 26 transitions. [2020-10-06 01:24:52,397 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:52,397 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:52,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:24:52,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:52,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:24:52,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:24:52,398 INFO L87 Difference]: Start difference. First operand 12978 states and 42356 transitions. Second operand 7 states. [2020-10-06 01:24:52,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:52,893 INFO L93 Difference]: Finished difference Result 31921 states and 102815 transitions. [2020-10-06 01:24:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:52,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-06 01:24:52,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:52,948 INFO L225 Difference]: With dead ends: 31921 [2020-10-06 01:24:52,948 INFO L226 Difference]: Without dead ends: 31901 [2020-10-06 01:24:52,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-06 01:24:53,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31901 states. [2020-10-06 01:24:53,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31901 to 13027. [2020-10-06 01:24:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13027 states. [2020-10-06 01:24:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13027 states to 13027 states and 42312 transitions. [2020-10-06 01:24:53,349 INFO L78 Accepts]: Start accepts. Automaton has 13027 states and 42312 transitions. Word has length 26 [2020-10-06 01:24:53,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:53,349 INFO L479 AbstractCegarLoop]: Abstraction has 13027 states and 42312 transitions. [2020-10-06 01:24:53,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:24:53,350 INFO L276 IsEmpty]: Start isEmpty. Operand 13027 states and 42312 transitions. [2020-10-06 01:24:53,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:53,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:53,353 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:53,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-06 01:24:53,353 INFO L427 AbstractCegarLoop]: === Iteration 23 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:53,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:53,354 INFO L82 PathProgramCache]: Analyzing trace with hash 152253416, now seen corresponding path program 1 times [2020-10-06 01:24:53,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:53,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534440761] [2020-10-06 01:24:53,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:53,405 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-06 01:24:53,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534440761] [2020-10-06 01:24:53,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:53,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 01:24:53,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1153507205] [2020-10-06 01:24:53,406 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:53,410 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:53,416 INFO L258 McrAutomatonBuilder]: Finished intersection with 27 states and 26 transitions. [2020-10-06 01:24:53,417 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:53,417 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:53,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:24:53,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:53,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:24:53,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:24:53,418 INFO L87 Difference]: Start difference. First operand 13027 states and 42312 transitions. Second operand 7 states. [2020-10-06 01:24:53,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:53,904 INFO L93 Difference]: Finished difference Result 30274 states and 95920 transitions. [2020-10-06 01:24:53,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:53,905 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-06 01:24:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:53,955 INFO L225 Difference]: With dead ends: 30274 [2020-10-06 01:24:53,956 INFO L226 Difference]: Without dead ends: 30232 [2020-10-06 01:24:53,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-06 01:24:54,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30232 states. [2020-10-06 01:24:54,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30232 to 13336. [2020-10-06 01:24:54,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13336 states. [2020-10-06 01:24:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13336 states to 13336 states and 43434 transitions. [2020-10-06 01:24:54,456 INFO L78 Accepts]: Start accepts. Automaton has 13336 states and 43434 transitions. Word has length 26 [2020-10-06 01:24:54,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:54,456 INFO L479 AbstractCegarLoop]: Abstraction has 13336 states and 43434 transitions. [2020-10-06 01:24:54,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:24:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 13336 states and 43434 transitions. [2020-10-06 01:24:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:54,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:54,460 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:54,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-06 01:24:54,460 INFO L427 AbstractCegarLoop]: === Iteration 24 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:54,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:54,460 INFO L82 PathProgramCache]: Analyzing trace with hash 152758065, now seen corresponding path program 1 times [2020-10-06 01:24:54,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:54,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008670176] [2020-10-06 01:24:54,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-06 01:24:54,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008670176] [2020-10-06 01:24:54,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:54,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 01:24:54,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1136024274] [2020-10-06 01:24:54,520 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:54,523 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:54,530 INFO L258 McrAutomatonBuilder]: Finished intersection with 27 states and 26 transitions. [2020-10-06 01:24:54,531 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:54,531 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:54,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:24:54,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:54,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:24:54,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:24:54,532 INFO L87 Difference]: Start difference. First operand 13336 states and 43434 transitions. Second operand 7 states. [2020-10-06 01:24:55,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:55,018 INFO L93 Difference]: Finished difference Result 30377 states and 96218 transitions. [2020-10-06 01:24:55,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:24:55,019 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-06 01:24:55,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:55,070 INFO L225 Difference]: With dead ends: 30377 [2020-10-06 01:24:55,070 INFO L226 Difference]: Without dead ends: 30335 [2020-10-06 01:24:55,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-06 01:24:55,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30335 states. [2020-10-06 01:24:55,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30335 to 13332. [2020-10-06 01:24:55,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13332 states. [2020-10-06 01:24:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13332 states to 13332 states and 43406 transitions. [2020-10-06 01:24:55,467 INFO L78 Accepts]: Start accepts. Automaton has 13332 states and 43406 transitions. Word has length 26 [2020-10-06 01:24:55,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:55,468 INFO L479 AbstractCegarLoop]: Abstraction has 13332 states and 43406 transitions. [2020-10-06 01:24:55,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:24:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 13332 states and 43406 transitions. [2020-10-06 01:24:55,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:55,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:55,471 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:55,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-06 01:24:55,472 INFO L427 AbstractCegarLoop]: === Iteration 25 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:55,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:55,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1394308057, now seen corresponding path program 1 times [2020-10-06 01:24:55,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:55,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597423511] [2020-10-06 01:24:55,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:24:55,515 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-06 01:24:55,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597423511] [2020-10-06 01:24:55,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:24:55,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:24:55,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [328434404] [2020-10-06 01:24:55,517 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:24:55,520 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:24:55,526 INFO L258 McrAutomatonBuilder]: Finished intersection with 27 states and 26 transitions. [2020-10-06 01:24:55,526 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:24:55,527 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:24:55,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 01:24:55,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:24:55,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 01:24:55,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:24:55,528 INFO L87 Difference]: Start difference. First operand 13332 states and 43406 transitions. Second operand 5 states. [2020-10-06 01:24:55,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:24:55,881 INFO L93 Difference]: Finished difference Result 22152 states and 70551 transitions. [2020-10-06 01:24:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:24:55,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-06 01:24:55,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:24:55,943 INFO L225 Difference]: With dead ends: 22152 [2020-10-06 01:24:55,943 INFO L226 Difference]: Without dead ends: 22136 [2020-10-06 01:24:55,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:24:56,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22136 states. [2020-10-06 01:24:56,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22136 to 14503. [2020-10-06 01:24:56,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14503 states. [2020-10-06 01:24:56,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 47492 transitions. [2020-10-06 01:24:56,554 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 47492 transitions. Word has length 26 [2020-10-06 01:24:56,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:24:56,555 INFO L479 AbstractCegarLoop]: Abstraction has 14503 states and 47492 transitions. [2020-10-06 01:24:56,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 01:24:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 47492 transitions. [2020-10-06 01:24:56,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:24:56,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:24:56,558 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:24:56,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-06 01:24:56,627 INFO L427 AbstractCegarLoop]: === Iteration 26 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:24:56,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:24:56,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1404687835, now seen corresponding path program 1 times [2020-10-06 01:24:56,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:24:56,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708725738] [2020-10-06 01:24:56,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:24:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:24:56,637 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:24:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:24:56,645 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:24:56,653 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:24:56,653 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:24:56,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-10-06 01:24:56,653 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 01:24:56,654 WARN L363 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 01:24:56,654 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-06 01:24:56,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,678 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,678 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,678 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,680 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,680 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,680 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,685 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,686 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,686 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,686 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,686 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,686 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,686 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,686 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,686 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,693 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,693 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,693 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,693 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,694 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,694 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,694 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,695 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,695 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,696 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,696 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,696 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,696 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,696 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,697 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,697 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,700 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,701 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,701 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,701 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,701 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,701 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,706 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,707 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,708 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,708 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,708 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:24:56,711 INFO L251 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-06 01:24:56,711 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:24:56,711 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:24:56,711 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:24:56,711 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:24:56,711 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:24:56,711 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:24:56,711 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:24:56,711 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:24:56,713 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 221 transitions, 562 flow [2020-10-06 01:24:56,714 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-10-06 01:24:56,750 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-06 01:24:56,750 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-06 01:24:56,754 INFO L80 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 643 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 291. Up to 14 conditions per place. [2020-10-06 01:24:56,764 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-10-06 01:24:56,805 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-06 01:24:56,805 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-06 01:24:56,809 INFO L80 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 643 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 291. Up to 14 conditions per place. [2020-10-06 01:24:56,823 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 16092 [2020-10-06 01:24:56,823 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:25:00,327 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2020-10-06 01:25:01,341 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-06 01:25:01,458 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-06 01:25:01,502 INFO L206 etLargeBlockEncoding]: Checked pairs total: 26011 [2020-10-06 01:25:01,502 INFO L214 etLargeBlockEncoding]: Total number of compositions: 201 [2020-10-06 01:25:01,503 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 66 transitions, 252 flow Received shutdown request... [2020-10-06 01:25:58,463 WARN L544 AbstractCegarLoop]: Verification canceled [2020-10-06 01:25:58,465 WARN L228 ceAbstractionStarter]: Timeout [2020-10-06 01:25:58,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 01:25:58 BasicIcfg [2020-10-06 01:25:58,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 01:25:58,467 INFO L168 Benchmark]: Toolchain (without parser) took 216330.04 ms. Allocated memory was 148.4 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 103.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-06 01:25:58,467 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-06 01:25:58,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.43 ms. Allocated memory was 148.4 MB in the beginning and 203.4 MB in the end (delta: 55.1 MB). Free memory was 102.7 MB in the beginning and 161.3 MB in the end (delta: -58.6 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-10-06 01:25:58,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.88 ms. Allocated memory is still 203.4 MB. Free memory was 161.3 MB in the beginning and 158.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-10-06 01:25:58,473 INFO L168 Benchmark]: Boogie Preprocessor took 30.55 ms. Allocated memory is still 203.4 MB. Free memory was 158.8 MB in the beginning and 157.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-06 01:25:58,473 INFO L168 Benchmark]: RCFGBuilder took 474.46 ms. Allocated memory is still 203.4 MB. Free memory was 157.5 MB in the beginning and 134.1 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-10-06 01:25:58,474 INFO L168 Benchmark]: TraceAbstraction took 214984.92 ms. Allocated memory was 203.4 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 133.5 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-06 01:25:58,482 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 148.4 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.43 ms. Allocated memory was 148.4 MB in the beginning and 203.4 MB in the end (delta: 55.1 MB). Free memory was 102.7 MB in the beginning and 161.3 MB in the end (delta: -58.6 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.88 ms. Allocated memory is still 203.4 MB. Free memory was 161.3 MB in the beginning and 158.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.55 ms. Allocated memory is still 203.4 MB. Free memory was 158.8 MB in the beginning and 157.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 474.46 ms. Allocated memory is still 203.4 MB. Free memory was 157.5 MB in the beginning and 134.1 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 214984.92 ms. Allocated memory was 203.4 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 133.5 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.1s, 77 ProgramPointsBefore, 18 ProgramPointsAfterwards, 76 TransitionsBefore, 12 TransitionsAfterwards, 1242 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 716 VarBasedMoverChecksPositive, 4 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1089 CheckedPairsTotal, 77 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.6s, 107 ProgramPointsBefore, 36 ProgramPointsAfterwards, 105 TransitionsBefore, 28 TransitionsAfterwards, 2844 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 11 ConcurrentYvCompositions, 6 ChoiceCompositions, 1556 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3611 CheckedPairsTotal, 94 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.2s, 137 ProgramPointsBefore, 49 ProgramPointsAfterwards, 134 TransitionsBefore, 38 TransitionsAfterwards, 5130 CoEnabledTransitionPairs, 7 FixpointIterations, 45 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 15 ConcurrentYvCompositions, 8 ChoiceCompositions, 2775 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7576 CheckedPairsTotal, 120 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.6s, 167 ProgramPointsBefore, 59 ProgramPointsAfterwards, 163 TransitionsBefore, 45 TransitionsAfterwards, 8100 CoEnabledTransitionPairs, 7 FixpointIterations, 52 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 20 ConcurrentYvCompositions, 10 ChoiceCompositions, 4127 VarBasedMoverChecksPositive, 47 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 11405 CheckedPairsTotal, 148 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.2s, 197 ProgramPointsBefore, 73 ProgramPointsAfterwards, 192 TransitionsBefore, 56 TransitionsAfterwards, 11754 CoEnabledTransitionPairs, 7 FixpointIterations, 69 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 26 ConcurrentYvCompositions, 12 ChoiceCompositions, 6175 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 17538 CheckedPairsTotal, 176 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.7s, 227 ProgramPointsBefore, 86 ProgramPointsAfterwards, 221 TransitionsBefore, 66 TransitionsAfterwards, 16092 CoEnabledTransitionPairs, 7 FixpointIterations, 75 TrivialSequentialCompositions, 93 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 26 ConcurrentYvCompositions, 14 ChoiceCompositions, 8629 VarBasedMoverChecksPositive, 66 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 26011 CheckedPairsTotal, 201 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 678]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 678). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 86 places, 66 transitions, 252 flow. Already constructed 217638 states. Currently 48084 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 71 locations, 1 error locations. Started 6 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 214.5s, OverallIterations: 49, TraceHistogramMax: 6, AutomataDifference: 44.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 107.0s, HoareTripleCheckerStatistics: 2360 SDtfs, 8924 SDslu, 7017 SDs, 0 SdLazy, 10072 SolverSat, 674 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1115 GetRequests, 560 SyntacticMatches, 4 SemanticMatches, 551 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2587 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127498occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 53.5s AutomataMinimizationTime, 44 MinimizatonAttempts, 611060 StatesRemovedByMinimization, 41 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1159 NumberOfCodeBlocks, 1159 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 1015 ConstructedInterpolants, 0 QuantifiedInterpolants, 133169 SizeOfPredicates, 56 NumberOfNonLiveVariables, 1885 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 56 InterpolantComputations, 32 PerfectInterpolantSequences, 266/408 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown