/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-ext/31_simple_loop5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:09:51,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:09:51,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:09:51,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:09:51,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:09:51,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:09:51,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:09:51,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:09:51,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:09:51,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:09:51,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:09:51,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:09:51,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:09:51,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:09:51,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:09:51,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:09:51,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:09:51,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:09:51,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:09:51,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:09:51,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:09:51,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:09:51,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:09:51,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:09:51,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:09:51,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:09:51,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:09:51,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:09:51,827 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 00:09:51,855 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:09:51,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:09:51,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:09:51,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:09:51,858 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:09:51,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:09:51,859 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:09:51,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:09:51,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:09:51,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:09:51,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:09:51,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:09:51,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:09:51,860 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:09:51,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:09:51,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:09:51,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:09:51,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:09:51,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:09:51,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:09:51,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:09:51,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:09:51,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:09:51,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:09:51,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:09:51,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:09:51,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:09:51,865 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:09:51,866 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:09:51,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:09:51,866 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:09:52,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:09:52,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:09:52,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:09:52,187 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:09:52,188 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:09:52,189 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-10-06 00:09:52,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b74dbba34/5bd2f6646ad94913aaa786725180c152/FLAG8e730c4a2 [2020-10-06 00:09:52,787 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:09:52,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-10-06 00:09:52,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b74dbba34/5bd2f6646ad94913aaa786725180c152/FLAG8e730c4a2 [2020-10-06 00:09:53,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b74dbba34/5bd2f6646ad94913aaa786725180c152 [2020-10-06 00:09:53,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:09:53,103 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:09:53,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:09:53,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:09:53,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:09:53,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:09:53" (1/1) ... [2020-10-06 00:09:53,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b21b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53, skipping insertion in model container [2020-10-06 00:09:53,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:09:53" (1/1) ... [2020-10-06 00:09:53,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:09:53,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:09:53,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:09:53,724 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:09:53,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:09:53,870 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:09:53,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53 WrapperNode [2020-10-06 00:09:53,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:09:53,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:09:53,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:09:53,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:09:53,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53" (1/1) ... [2020-10-06 00:09:53,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53" (1/1) ... [2020-10-06 00:09:53,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:09:53,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:09:53,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:09:53,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:09:53,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53" (1/1) ... [2020-10-06 00:09:53,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53" (1/1) ... [2020-10-06 00:09:53,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53" (1/1) ... [2020-10-06 00:09:53,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53" (1/1) ... [2020-10-06 00:09:53,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53" (1/1) ... [2020-10-06 00:09:53,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53" (1/1) ... [2020-10-06 00:09:53,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53" (1/1) ... [2020-10-06 00:09:53,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:09:53,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:09:53,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:09:53,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:09:53,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53" (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 00:09:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-06 00:09:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-06 00:09:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-06 00:09:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-06 00:09:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:09:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:09:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:09:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:09:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:09:54,032 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 00:09:54,535 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:09:54,536 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-06 00:09:54,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:09:54 BoogieIcfgContainer [2020-10-06 00:09:54,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:09:54,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:09:54,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:09:54,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:09:54,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:09:53" (1/3) ... [2020-10-06 00:09:54,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb9d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:09:54, skipping insertion in model container [2020-10-06 00:09:54,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:09:53" (2/3) ... [2020-10-06 00:09:54,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb9d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:09:54, skipping insertion in model container [2020-10-06 00:09:54,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:09:54" (3/3) ... [2020-10-06 00:09:54,548 INFO L109 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2020-10-06 00:09:54,558 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:09:54,559 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:09:54,567 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 00:09:54,568 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:09:54,593 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,594 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,594 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,596 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,605 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:54,631 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-06 00:09:54,651 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:09:54,651 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:09:54,651 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:09:54,651 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:09:54,651 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:09:54,651 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:09:54,651 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:09:54,652 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:09:54,665 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 50 transitions, 110 flow [2020-10-06 00:09:54,667 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 110 flow [2020-10-06 00:09:54,702 INFO L129 PetriNetUnfolder]: 7/57 cut-off events. [2020-10-06 00:09:54,702 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:09:54,708 INFO L80 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 57 events. 7/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 114 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 47. Up to 4 conditions per place. [2020-10-06 00:09:54,710 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 110 flow [2020-10-06 00:09:54,726 INFO L129 PetriNetUnfolder]: 7/57 cut-off events. [2020-10-06 00:09:54,726 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:09:54,727 INFO L80 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 57 events. 7/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 114 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 47. Up to 4 conditions per place. [2020-10-06 00:09:54,729 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 816 [2020-10-06 00:09:54,730 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:09:55,461 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1302 [2020-10-06 00:09:55,461 INFO L214 etLargeBlockEncoding]: Total number of compositions: 29 [2020-10-06 00:09:55,465 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 52 flow [2020-10-06 00:09:55,494 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 206 states. [2020-10-06 00:09:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-10-06 00:09:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 00:09:55,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:09:55,526 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 00:09:55,526 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 00:09:55,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:09:55,540 INFO L82 PathProgramCache]: Analyzing trace with hash 304347605, now seen corresponding path program 1 times [2020-10-06 00:09:55,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:09:55,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630813195] [2020-10-06 00:09:55,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:09:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:09:55,743 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 00:09:55,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630813195] [2020-10-06 00:09:55,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:09:55,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:09:55,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1751693449] [2020-10-06 00:09:55,746 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:09:55,749 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:09:55,762 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 00:09:55,762 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:09:55,767 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:09:55,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:09:55,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:09:55,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:09:55,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:09:55,781 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-10-06 00:09:55,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:09:55,820 INFO L93 Difference]: Finished difference Result 142 states and 378 transitions. [2020-10-06 00:09:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:09:55,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 00:09:55,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:09:55,836 INFO L225 Difference]: With dead ends: 142 [2020-10-06 00:09:55,836 INFO L226 Difference]: Without dead ends: 142 [2020-10-06 00:09:55,838 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 00:09:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-06 00:09:55,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-10-06 00:09:55,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-06 00:09:55,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 378 transitions. [2020-10-06 00:09:55,895 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 378 transitions. Word has length 5 [2020-10-06 00:09:55,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:09:55,896 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 378 transitions. [2020-10-06 00:09:55,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:09:55,896 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 378 transitions. [2020-10-06 00:09:55,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-06 00:09:55,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:09:55,897 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-06 00:09:55,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:09:55,898 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 00:09:55,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:09:55,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1283510738, now seen corresponding path program 1 times [2020-10-06 00:09:55,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:09:55,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980355606] [2020-10-06 00:09:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:09:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:09:55,932 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:09:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:09:55,947 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:09:55,974 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:09:55,974 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:09:55,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:09:55,977 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 00:09:55,978 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-06 00:09:55,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,991 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,992 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,996 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,996 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,997 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,997 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,998 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,998 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,999 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,999 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,999 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:55,999 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,000 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,000 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,000 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,001 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,008 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,008 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,008 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,009 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,009 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,009 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,018 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,018 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,019 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,019 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,026 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,026 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,027 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,028 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,029 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,031 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,031 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,031 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,031 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,032 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:56,033 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 00:09:56,034 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:09:56,034 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:09:56,034 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:09:56,034 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:09:56,034 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:09:56,035 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:09:56,035 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:09:56,035 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:09:56,038 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 76 transitions, 176 flow [2020-10-06 00:09:56,039 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 76 transitions, 176 flow [2020-10-06 00:09:56,072 INFO L129 PetriNetUnfolder]: 10/79 cut-off events. [2020-10-06 00:09:56,075 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-06 00:09:56,078 INFO L80 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 79 events. 10/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 184 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 88. Up to 6 conditions per place. [2020-10-06 00:09:56,081 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 76 transitions, 176 flow [2020-10-06 00:09:56,111 INFO L129 PetriNetUnfolder]: 10/79 cut-off events. [2020-10-06 00:09:56,111 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-06 00:09:56,114 INFO L80 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 79 events. 10/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 184 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 88. Up to 6 conditions per place. [2020-10-06 00:09:56,119 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1680 [2020-10-06 00:09:56,119 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:09:56,811 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4099 [2020-10-06 00:09:56,811 INFO L214 etLargeBlockEncoding]: Total number of compositions: 42 [2020-10-06 00:09:56,812 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 37 transitions, 98 flow [2020-10-06 00:09:56,943 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2138 states. [2020-10-06 00:09:56,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states. [2020-10-06 00:09:56,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 00:09:56,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:09:56,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 00:09:56,946 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:09:56,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:09:56,947 INFO L82 PathProgramCache]: Analyzing trace with hash 447912364, now seen corresponding path program 1 times [2020-10-06 00:09:56,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:09:56,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86373579] [2020-10-06 00:09:56,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:09:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:09:57,099 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 00:09:57,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86373579] [2020-10-06 00:09:57,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:09:57,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:09:57,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [766170006] [2020-10-06 00:09:57,101 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:09:57,102 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:09:57,102 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 00:09:57,103 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:09:57,104 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:09:57,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:09:57,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:09:57,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:09:57,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:09:57,106 INFO L87 Difference]: Start difference. First operand 2138 states. Second operand 3 states. [2020-10-06 00:09:57,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:09:57,190 INFO L93 Difference]: Finished difference Result 1368 states and 5000 transitions. [2020-10-06 00:09:57,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:09:57,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 00:09:57,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:09:57,226 INFO L225 Difference]: With dead ends: 1368 [2020-10-06 00:09:57,227 INFO L226 Difference]: Without dead ends: 1368 [2020-10-06 00:09:57,227 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 00:09:57,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-10-06 00:09:57,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1368. [2020-10-06 00:09:57,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2020-10-06 00:09:57,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 5000 transitions. [2020-10-06 00:09:57,334 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 5000 transitions. Word has length 5 [2020-10-06 00:09:57,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:09:57,335 INFO L479 AbstractCegarLoop]: Abstraction has 1368 states and 5000 transitions. [2020-10-06 00:09:57,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:09:57,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 5000 transitions. [2020-10-06 00:09:57,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 00:09:57,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:09:57,337 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2020-10-06 00:09:57,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:09:57,338 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:09:57,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:09:57,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1411337890, now seen corresponding path program 1 times [2020-10-06 00:09:57,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:09:57,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914156623] [2020-10-06 00:09:57,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:09:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:09:57,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:09:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:09:57,399 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:09:57,407 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:09:57,407 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:09:57,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:09:57,408 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 00:09:57,409 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-06 00:09:57,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,423 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,423 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,423 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,423 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,423 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,423 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,424 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,424 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,424 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,424 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,425 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,425 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,426 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,431 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,432 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,432 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,432 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,432 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,432 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,434 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,435 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,435 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,435 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,435 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,435 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,437 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,438 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,438 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:09:57,449 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-06 00:09:57,449 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:09:57,449 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:09:57,449 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:09:57,450 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:09:57,450 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:09:57,450 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:09:57,450 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:09:57,450 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:09:57,452 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 102 transitions, 246 flow [2020-10-06 00:09:57,453 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 102 transitions, 246 flow [2020-10-06 00:09:57,465 INFO L129 PetriNetUnfolder]: 13/101 cut-off events. [2020-10-06 00:09:57,465 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-06 00:09:57,466 INFO L80 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 101 events. 13/101 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 243 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 115. Up to 8 conditions per place. [2020-10-06 00:09:57,470 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 102 transitions, 246 flow [2020-10-06 00:09:57,481 INFO L129 PetriNetUnfolder]: 13/101 cut-off events. [2020-10-06 00:09:57,482 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-06 00:09:57,483 INFO L80 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 101 events. 13/101 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 243 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 115. Up to 8 conditions per place. [2020-10-06 00:09:57,486 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2856 [2020-10-06 00:09:57,486 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:09:58,522 INFO L206 etLargeBlockEncoding]: Checked pairs total: 8832 [2020-10-06 00:09:58,523 INFO L214 etLargeBlockEncoding]: Total number of compositions: 58 [2020-10-06 00:09:58,523 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 53 transitions, 148 flow [2020-10-06 00:10:00,134 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19966 states. [2020-10-06 00:10:00,134 INFO L276 IsEmpty]: Start isEmpty. Operand 19966 states. [2020-10-06 00:10:00,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 00:10:00,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:10:00,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 00:10:00,135 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:10:00,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:10:00,135 INFO L82 PathProgramCache]: Analyzing trace with hash 633416251, now seen corresponding path program 1 times [2020-10-06 00:10:00,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:10:00,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177102382] [2020-10-06 00:10:00,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:10:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:10:00,190 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 00:10:00,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177102382] [2020-10-06 00:10:00,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:10:00,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:10:00,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [127500079] [2020-10-06 00:10:00,192 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:10:00,193 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:10:00,194 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 00:10:00,194 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:10:00,194 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:10:00,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:10:00,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:10:00,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:10:00,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:10:00,196 INFO L87 Difference]: Start difference. First operand 19966 states. Second operand 3 states. [2020-10-06 00:10:00,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:10:00,397 INFO L93 Difference]: Finished difference Result 10458 states and 48570 transitions. [2020-10-06 00:10:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:10:00,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 00:10:00,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:10:00,530 INFO L225 Difference]: With dead ends: 10458 [2020-10-06 00:10:00,530 INFO L226 Difference]: Without dead ends: 10458 [2020-10-06 00:10:00,530 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 00:10:00,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10458 states. [2020-10-06 00:10:01,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10458 to 10458. [2020-10-06 00:10:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10458 states. [2020-10-06 00:10:01,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10458 states to 10458 states and 48570 transitions. [2020-10-06 00:10:01,219 INFO L78 Accepts]: Start accepts. Automaton has 10458 states and 48570 transitions. Word has length 5 [2020-10-06 00:10:01,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:10:01,219 INFO L479 AbstractCegarLoop]: Abstraction has 10458 states and 48570 transitions. [2020-10-06 00:10:01,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:10:01,219 INFO L276 IsEmpty]: Start isEmpty. Operand 10458 states and 48570 transitions. [2020-10-06 00:10:01,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 00:10:01,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:10:01,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:10:01,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:10:01,222 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:10:01,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:10:01,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1987381523, now seen corresponding path program 1 times [2020-10-06 00:10:01,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:10:01,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278764912] [2020-10-06 00:10:01,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:10:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:10:01,254 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 00:10:01,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278764912] [2020-10-06 00:10:01,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:10:01,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:10:01,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [98422158] [2020-10-06 00:10:01,256 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:10:01,257 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:10:01,260 INFO L258 McrAutomatonBuilder]: Finished intersection with 21 states and 28 transitions. [2020-10-06 00:10:01,260 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:10:01,273 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:10:01,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:10:01,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:10:01,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:10:01,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:10:01,274 INFO L87 Difference]: Start difference. First operand 10458 states and 48570 transitions. Second operand 3 states. [2020-10-06 00:10:01,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:10:01,313 INFO L93 Difference]: Finished difference Result 1336 states and 4381 transitions. [2020-10-06 00:10:01,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:10:01,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-06 00:10:01,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:10:01,320 INFO L225 Difference]: With dead ends: 1336 [2020-10-06 00:10:01,321 INFO L226 Difference]: Without dead ends: 1336 [2020-10-06 00:10:02,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 00:10:02,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2020-10-06 00:10:02,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1084. [2020-10-06 00:10:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1084 states. [2020-10-06 00:10:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 3583 transitions. [2020-10-06 00:10:02,126 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 3583 transitions. Word has length 12 [2020-10-06 00:10:02,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:10:02,127 INFO L479 AbstractCegarLoop]: Abstraction has 1084 states and 3583 transitions. [2020-10-06 00:10:02,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:10:02,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 3583 transitions. [2020-10-06 00:10:02,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 00:10:02,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:10:02,129 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:10:02,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 00:10:02,130 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:10:02,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:10:02,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2096329641, now seen corresponding path program 1 times [2020-10-06 00:10:02,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:10:02,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406497630] [2020-10-06 00:10:02,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:10:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:10:02,160 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:10:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:10:02,179 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:10:02,197 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:10:02,197 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:10:02,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 00:10:02,198 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 00:10:02,198 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-06 00:10:02,214 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,215 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,215 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,215 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,215 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,215 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,215 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,216 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,216 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,216 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,216 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,216 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,217 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,217 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,217 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,217 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,217 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,217 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,218 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,218 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,218 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,218 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,218 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,219 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,219 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,219 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,219 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,219 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,219 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,220 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,220 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,220 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,220 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,220 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,220 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,221 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,221 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,221 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,221 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,221 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,230 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,230 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,231 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,231 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,232 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,232 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,233 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,233 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,233 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,233 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,234 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,235 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,235 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,235 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,235 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,235 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,237 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,237 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,237 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,237 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,238 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,238 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,242 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,242 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,242 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:10:02,248 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-06 00:10:02,248 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:10:02,248 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:10:02,249 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:10:02,249 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:10:02,249 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:10:02,249 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:10:02,249 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:10:02,249 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:10:02,251 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 128 transitions, 320 flow [2020-10-06 00:10:02,251 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 128 transitions, 320 flow [2020-10-06 00:10:02,265 INFO L129 PetriNetUnfolder]: 16/123 cut-off events. [2020-10-06 00:10:02,265 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-06 00:10:02,267 INFO L80 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 123 events. 16/123 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 321 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 143. Up to 10 conditions per place. [2020-10-06 00:10:02,271 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 128 transitions, 320 flow [2020-10-06 00:10:02,284 INFO L129 PetriNetUnfolder]: 16/123 cut-off events. [2020-10-06 00:10:02,284 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-06 00:10:02,285 INFO L80 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 123 events. 16/123 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 321 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 143. Up to 10 conditions per place. [2020-10-06 00:10:02,290 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4344 [2020-10-06 00:10:02,290 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:10:03,384 INFO L206 etLargeBlockEncoding]: Checked pairs total: 10941 [2020-10-06 00:10:03,385 INFO L214 etLargeBlockEncoding]: Total number of compositions: 72 [2020-10-06 00:10:03,385 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 65 transitions, 194 flow [2020-10-06 00:10:55,731 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 136922 states. [2020-10-06 00:10:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 136922 states. [2020-10-06 00:10:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 00:10:55,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:10:55,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 00:10:55,732 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 00:10:55,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:10:55,732 INFO L82 PathProgramCache]: Analyzing trace with hash 860920878, now seen corresponding path program 1 times [2020-10-06 00:10:55,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:10:55,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614803619] [2020-10-06 00:10:55,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:10:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:10:55,765 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 00:10:55,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614803619] [2020-10-06 00:10:55,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:10:55,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:10:55,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1521823070] [2020-10-06 00:10:55,766 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:10:55,767 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:10:55,767 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 00:10:55,767 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:10:55,768 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:10:55,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:10:55,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:10:55,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:10:55,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:10:55,769 INFO L87 Difference]: Start difference. First operand 136922 states. Second operand 3 states. [2020-10-06 00:10:58,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:10:58,625 INFO L93 Difference]: Finished difference Result 59058 states and 333130 transitions. [2020-10-06 00:10:58,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:10:58,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 00:10:58,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:10:59,159 INFO L225 Difference]: With dead ends: 59058 [2020-10-06 00:10:59,159 INFO L226 Difference]: Without dead ends: 59058 [2020-10-06 00:10:59,160 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 00:11:01,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59058 states. [2020-10-06 00:11:02,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59058 to 59058. [2020-10-06 00:11:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59058 states. [2020-10-06 00:11:03,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59058 states to 59058 states and 333130 transitions. [2020-10-06 00:11:03,341 INFO L78 Accepts]: Start accepts. Automaton has 59058 states and 333130 transitions. Word has length 5 [2020-10-06 00:11:03,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:11:03,341 INFO L479 AbstractCegarLoop]: Abstraction has 59058 states and 333130 transitions. [2020-10-06 00:11:03,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:11:03,342 INFO L276 IsEmpty]: Start isEmpty. Operand 59058 states and 333130 transitions. [2020-10-06 00:11:03,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 00:11:03,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:11:03,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:11:03,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-06 00:11:03,343 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 00:11:03,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:11:03,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1923155817, now seen corresponding path program 1 times [2020-10-06 00:11:03,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:11:03,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015736779] [2020-10-06 00:11:03,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:11:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:11:03,372 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 00:11:03,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015736779] [2020-10-06 00:11:03,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:11:03,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:11:03,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1477445069] [2020-10-06 00:11:03,373 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:11:03,374 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:11:03,376 INFO L258 McrAutomatonBuilder]: Finished intersection with 21 states and 28 transitions. [2020-10-06 00:11:03,376 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:11:03,383 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:11:03,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:11:03,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:11:03,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:11:03,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:11:03,384 INFO L87 Difference]: Start difference. First operand 59058 states and 333130 transitions. Second operand 3 states. [2020-10-06 00:11:03,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:11:03,443 INFO L93 Difference]: Finished difference Result 3409 states and 12915 transitions. [2020-10-06 00:11:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:11:03,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-06 00:11:03,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:11:03,456 INFO L225 Difference]: With dead ends: 3409 [2020-10-06 00:11:03,456 INFO L226 Difference]: Without dead ends: 3409 [2020-10-06 00:11:03,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 00:11:03,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2020-10-06 00:11:03,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 2693. [2020-10-06 00:11:03,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2693 states. [2020-10-06 00:11:03,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 10317 transitions. [2020-10-06 00:11:03,531 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 10317 transitions. Word has length 12 [2020-10-06 00:11:03,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:11:03,531 INFO L479 AbstractCegarLoop]: Abstraction has 2693 states and 10317 transitions. [2020-10-06 00:11:03,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:11:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 10317 transitions. [2020-10-06 00:11:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-06 00:11:03,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:11:03,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:11:03,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-06 00:11:03,533 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 00:11:03,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:11:03,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1475676922, now seen corresponding path program 1 times [2020-10-06 00:11:03,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:11:03,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172217049] [2020-10-06 00:11:03,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:11:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:11:03,605 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 00:11:03,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172217049] [2020-10-06 00:11:03,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:11:03,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:11:03,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1920203287] [2020-10-06 00:11:03,606 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:11:03,607 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:11:03,609 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 35 transitions. [2020-10-06 00:11:03,609 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:11:03,636 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:11:03,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:11:03,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:11:03,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:11:03,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:11:03,637 INFO L87 Difference]: Start difference. First operand 2693 states and 10317 transitions. Second operand 5 states. [2020-10-06 00:11:03,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:11:03,771 INFO L93 Difference]: Finished difference Result 5571 states and 21032 transitions. [2020-10-06 00:11:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:11:03,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-06 00:11:03,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:11:04,026 INFO L225 Difference]: With dead ends: 5571 [2020-10-06 00:11:04,027 INFO L226 Difference]: Without dead ends: 5571 [2020-10-06 00:11:04,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:11:04,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2020-10-06 00:11:04,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 4855. [2020-10-06 00:11:04,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4855 states. [2020-10-06 00:11:04,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 18434 transitions. [2020-10-06 00:11:04,182 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 18434 transitions. Word has length 15 [2020-10-06 00:11:04,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:11:04,182 INFO L479 AbstractCegarLoop]: Abstraction has 4855 states and 18434 transitions. [2020-10-06 00:11:04,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:11:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 18434 transitions. [2020-10-06 00:11:04,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-06 00:11:04,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:11:04,185 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:11:04,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-06 00:11:04,186 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 00:11:04,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:11:04,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1907424214, now seen corresponding path program 1 times [2020-10-06 00:11:04,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:11:04,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147705565] [2020-10-06 00:11:04,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:11:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:11:04,198 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:11:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:11:04,205 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:11:04,211 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:11:04,211 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:11:04,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-06 00:11:04,212 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 00:11:04,212 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-06 00:11:04,225 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,226 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,226 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,226 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,226 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,226 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,226 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,227 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,227 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,227 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,227 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,227 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,228 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,228 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,228 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,228 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,228 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,228 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,229 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,229 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,229 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,229 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,229 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,229 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,230 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,230 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,230 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,231 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,231 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,231 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,231 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,231 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,231 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,231 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,231 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,232 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,232 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,232 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,232 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,232 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,232 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,233 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,233 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,233 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,233 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,234 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,234 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,234 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,235 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,236 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,238 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,241 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,242 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,242 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,242 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,244 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,244 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,245 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,246 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,246 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,246 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,247 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,248 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,248 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,249 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,250 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,250 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,250 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,251 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:11:04,260 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-06 00:11:04,260 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:11:04,260 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:11:04,260 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:11:04,261 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:11:04,261 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:11:04,261 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:11:04,261 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:11:04,261 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:11:04,263 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 154 transitions, 398 flow [2020-10-06 00:11:04,263 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 150 places, 154 transitions, 398 flow [2020-10-06 00:11:04,279 INFO L129 PetriNetUnfolder]: 19/145 cut-off events. [2020-10-06 00:11:04,279 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-06 00:11:04,281 INFO L80 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 145 events. 19/145 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 386 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 172. Up to 12 conditions per place. [2020-10-06 00:11:04,287 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 150 places, 154 transitions, 398 flow [2020-10-06 00:11:04,302 INFO L129 PetriNetUnfolder]: 19/145 cut-off events. [2020-10-06 00:11:04,302 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-06 00:11:04,304 INFO L80 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 145 events. 19/145 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 386 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 172. Up to 12 conditions per place. [2020-10-06 00:11:04,310 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6144 [2020-10-06 00:11:04,310 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:11:05,493 INFO L206 etLargeBlockEncoding]: Checked pairs total: 15932 [2020-10-06 00:11:05,493 INFO L214 etLargeBlockEncoding]: Total number of compositions: 88 [2020-10-06 00:11:05,494 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 79 transitions, 248 flow Received shutdown request... [2020-10-06 00:14:21,341 WARN L544 AbstractCegarLoop]: Verification canceled [2020-10-06 00:14:21,346 WARN L228 ceAbstractionStarter]: Timeout [2020-10-06 00:14:21,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:14:21 BasicIcfg [2020-10-06 00:14:21,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:14:21,353 INFO L168 Benchmark]: Toolchain (without parser) took 268245.62 ms. Allocated memory was 138.9 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 100.6 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2020-10-06 00:14:21,358 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-06 00:14:21,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.50 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 100.4 MB in the beginning and 160.5 MB in the end (delta: -60.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-10-06 00:14:21,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.28 ms. Allocated memory is still 201.3 MB. Free memory was 160.5 MB in the beginning and 157.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:14:21,364 INFO L168 Benchmark]: Boogie Preprocessor took 27.93 ms. Allocated memory is still 201.3 MB. Free memory was 157.9 MB in the beginning and 156.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-06 00:14:21,365 INFO L168 Benchmark]: RCFGBuilder took 588.03 ms. Allocated memory is still 201.3 MB. Free memory was 156.6 MB in the beginning and 123.7 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:14:21,368 INFO L168 Benchmark]: TraceAbstraction took 266806.45 ms. Allocated memory was 201.3 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 123.0 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2020-10-06 00:14:21,377 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.50 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 100.4 MB in the beginning and 160.5 MB in the end (delta: -60.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.28 ms. Allocated memory is still 201.3 MB. Free memory was 160.5 MB in the beginning and 157.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.93 ms. Allocated memory is still 201.3 MB. Free memory was 157.9 MB in the beginning and 156.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 588.03 ms. Allocated memory is still 201.3 MB. Free memory was 156.6 MB in the beginning and 123.7 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 266806.45 ms. Allocated memory was 201.3 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 123.0 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 50 ProgramPointsBefore, 25 ProgramPointsAfterwards, 50 TransitionsBefore, 21 TransitionsAfterwards, 816 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 4 ChoiceCompositions, 348 VarBasedMoverChecksPositive, 11 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1302 CheckedPairsTotal, 29 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 75 ProgramPointsBefore, 43 ProgramPointsAfterwards, 76 TransitionsBefore, 37 TransitionsAfterwards, 1680 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 7 ChoiceCompositions, 704 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4099 CheckedPairsTotal, 42 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.0s, 100 ProgramPointsBefore, 60 ProgramPointsAfterwards, 102 TransitionsBefore, 53 TransitionsAfterwards, 2856 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 11 ConcurrentYvCompositions, 9 ChoiceCompositions, 990 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 8832 CheckedPairsTotal, 58 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 125 ProgramPointsBefore, 75 ProgramPointsAfterwards, 128 TransitionsBefore, 65 TransitionsAfterwards, 4344 CoEnabledTransitionPairs, 5 FixpointIterations, 34 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 12 ConcurrentYvCompositions, 13 ChoiceCompositions, 1731 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 10941 CheckedPairsTotal, 72 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.2s, 150 ProgramPointsBefore, 91 ProgramPointsAfterwards, 154 TransitionsBefore, 79 TransitionsAfterwards, 6144 CoEnabledTransitionPairs, 5 FixpointIterations, 44 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 14 ConcurrentYvCompositions, 16 ChoiceCompositions, 2209 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 15932 CheckedPairsTotal, 88 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 709]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 709). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 91 places, 79 transitions, 248 flow. Already constructed 330003 states. Currently 72037 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 44 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 266.4s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 254.9s, HoareTripleCheckerStatistics: 224 SDtfs, 240 SDslu, 161 SDs, 0 SdLazy, 144 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136922occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 1684 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1792 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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