/usr/bin/java -Xmx16000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 17:32:48,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 17:32:48,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 17:32:48,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 17:32:48,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 17:32:48,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 17:32:48,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 17:32:48,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 17:32:48,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 17:32:48,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 17:32:48,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 17:32:48,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 17:32:48,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 17:32:48,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 17:32:48,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 17:32:48,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 17:32:48,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 17:32:48,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 17:32:48,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 17:32:48,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 17:32:48,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 17:32:48,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 17:32:48,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 17:32:48,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 17:32:48,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 17:32:48,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 17:32:48,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 17:32:48,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 17:32:48,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 17:32:48,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 17:32:48,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 17:32:48,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 17:32:48,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 17:32:48,897 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 17:32:48,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 17:32:48,897 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 17:32:48,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 17:32:48,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 17:32:48,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 17:32:48,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 17:32:48,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 17:32:48,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 17:32:48,899 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 17:32:48,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 17:32:48,900 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 17:32:48,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 17:32:48,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 17:32:48,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 17:32:48,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 17:32:48,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 17:32:48,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 17:32:48,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 17:32:48,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 17:32:48,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 17:32:48,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 17:32:48,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 17:32:48,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 17:32:48,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 17:32:48,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 17:32:49,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 17:32:49,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 17:32:49,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 17:32:49,174 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 17:32:49,175 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 17:32:49,176 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-10-15 17:32:49,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad84deff9/ab4e6e214acc477bb868943a1a6046ad/FLAGc222a2e3f [2020-10-15 17:32:49,751 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 17:32:49,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2020-10-15 17:32:49,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad84deff9/ab4e6e214acc477bb868943a1a6046ad/FLAGc222a2e3f [2020-10-15 17:32:49,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad84deff9/ab4e6e214acc477bb868943a1a6046ad [2020-10-15 17:32:49,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 17:32:49,998 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 17:32:49,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 17:32:50,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 17:32:50,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 17:32:50,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:32:49" (1/1) ... [2020-10-15 17:32:50,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f59d0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50, skipping insertion in model container [2020-10-15 17:32:50,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:32:49" (1/1) ... [2020-10-15 17:32:50,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 17:32:50,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 17:32:50,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 17:32:50,470 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 17:32:50,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 17:32:50,578 INFO L208 MainTranslator]: Completed translation [2020-10-15 17:32:50,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50 WrapperNode [2020-10-15 17:32:50,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 17:32:50,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 17:32:50,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 17:32:50,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 17:32:50,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50" (1/1) ... [2020-10-15 17:32:50,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50" (1/1) ... [2020-10-15 17:32:50,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 17:32:50,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 17:32:50,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 17:32:50,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 17:32:50,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50" (1/1) ... [2020-10-15 17:32:50,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50" (1/1) ... [2020-10-15 17:32:50,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50" (1/1) ... [2020-10-15 17:32:50,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50" (1/1) ... [2020-10-15 17:32:50,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50" (1/1) ... [2020-10-15 17:32:50,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50" (1/1) ... [2020-10-15 17:32:50,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50" (1/1) ... [2020-10-15 17:32:50,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 17:32:50,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 17:32:50,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 17:32:50,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 17:32:50,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50" (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 [2020-10-15 17:32:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-15 17:32:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-15 17:32:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-15 17:32:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-15 17:32:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 17:32:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 17:32:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 17:32:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 17:32:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 17:32:50,719 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 17:32:51,166 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 17:32:51,166 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-15 17:32:51,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:32:51 BoogieIcfgContainer [2020-10-15 17:32:51,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 17:32:51,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 17:32:51,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 17:32:51,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 17:32:51,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:32:49" (1/3) ... [2020-10-15 17:32:51,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2324d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:32:51, skipping insertion in model container [2020-10-15 17:32:51,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:32:50" (2/3) ... [2020-10-15 17:32:51,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2324d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:32:51, skipping insertion in model container [2020-10-15 17:32:51,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:32:51" (3/3) ... [2020-10-15 17:32:51,181 INFO L111 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2020-10-15 17:32:51,196 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 17:32:51,197 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 17:32:51,204 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 17:32:51,205 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 17:32:51,234 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,235 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,236 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,236 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,237 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,237 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,239 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,239 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,240 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,240 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,242 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,242 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,250 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,250 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,251 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,252 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:51,284 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-15 17:32:51,305 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 17:32:51,305 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 17:32:51,305 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 17:32:51,305 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 17:32:51,306 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 17:32:51,306 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 17:32:51,306 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 17:32:51,307 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 17:32:51,319 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 17:32:51,322 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 50 transitions, 110 flow [2020-10-15 17:32:51,324 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 50 transitions, 110 flow [2020-10-15 17:32:51,326 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 110 flow [2020-10-15 17:32:51,358 INFO L129 PetriNetUnfolder]: 7/57 cut-off events. [2020-10-15 17:32:51,358 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 17:32:51,363 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. [2020-10-15 17:32:51,366 INFO L117 LiptonReduction]: Number of co-enabled transitions 816 [2020-10-15 17:32:52,022 INFO L132 LiptonReduction]: Checked pairs total: 1474 [2020-10-15 17:32:52,022 INFO L134 LiptonReduction]: Total number of compositions: 33 [2020-10-15 17:32:52,035 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 52 flow [2020-10-15 17:32:52,093 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 206 states. [2020-10-15 17:32:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-10-15 17:32:52,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 17:32:52,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 17:32:52,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 17:32:52,108 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 17:32:52,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 17:32:52,114 INFO L82 PathProgramCache]: Analyzing trace with hash 304347605, now seen corresponding path program 1 times [2020-10-15 17:32:52,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 17:32:52,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859530373] [2020-10-15 17:32:52,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 17:32:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 17:32:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 17:32:52,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859530373] [2020-10-15 17:32:52,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 17:32:52,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 17:32:52,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211909019] [2020-10-15 17:32:52,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 17:32:52,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 17:32:52,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 17:32:52,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 17:32:52,394 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-10-15 17:32:52,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 17:32:52,432 INFO L93 Difference]: Finished difference Result 142 states and 378 transitions. [2020-10-15 17:32:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 17:32:52,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-15 17:32:52,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 17:32:52,447 INFO L225 Difference]: With dead ends: 142 [2020-10-15 17:32:52,447 INFO L226 Difference]: Without dead ends: 142 [2020-10-15 17:32:52,448 INFO L677 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 [2020-10-15 17:32:52,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-15 17:32:52,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-10-15 17:32:52,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-15 17:32:52,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 378 transitions. [2020-10-15 17:32:52,502 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 378 transitions. Word has length 5 [2020-10-15 17:32:52,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 17:32:52,502 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 378 transitions. [2020-10-15 17:32:52,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 17:32:52,503 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 378 transitions. [2020-10-15 17:32:52,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 17:32:52,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 17:32:52,504 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-15 17:32:52,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 17:32:52,504 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 17:32:52,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 17:32:52,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1283510738, now seen corresponding path program 1 times [2020-10-15 17:32:52,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 17:32:52,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176744752] [2020-10-15 17:32:52,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 17:32:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 17:32:52,529 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 17:32:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 17:32:52,547 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 17:32:52,581 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 17:32:52,584 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 17:32:52,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 17:32:52,587 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 17:32:52,588 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-15 17:32:52,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,614 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,614 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,614 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,615 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,615 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,616 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,616 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,623 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,623 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,624 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,624 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,625 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,627 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,629 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,635 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,635 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,636 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,636 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,636 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,636 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:52,638 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 17:32:52,639 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 17:32:52,639 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 17:32:52,639 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 17:32:52,639 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 17:32:52,639 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 17:32:52,639 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 17:32:52,639 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 17:32:52,639 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 17:32:52,642 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 17:32:52,642 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 76 transitions, 176 flow [2020-10-15 17:32:52,642 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 76 transitions, 176 flow [2020-10-15 17:32:52,642 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 76 transitions, 176 flow [2020-10-15 17:32:52,659 INFO L129 PetriNetUnfolder]: 10/79 cut-off events. [2020-10-15 17:32:52,660 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 17:32:52,661 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. [2020-10-15 17:32:52,664 INFO L117 LiptonReduction]: Number of co-enabled transitions 1680 [2020-10-15 17:32:53,485 INFO L132 LiptonReduction]: Checked pairs total: 4577 [2020-10-15 17:32:53,486 INFO L134 LiptonReduction]: Total number of compositions: 49 [2020-10-15 17:32:53,486 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 37 transitions, 98 flow [2020-10-15 17:32:53,583 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2138 states. [2020-10-15 17:32:53,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states. [2020-10-15 17:32:53,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 17:32:53,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 17:32:53,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 17:32:53,584 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 17:32:53,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 17:32:53,585 INFO L82 PathProgramCache]: Analyzing trace with hash 447912364, now seen corresponding path program 1 times [2020-10-15 17:32:53,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 17:32:53,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598655027] [2020-10-15 17:32:53,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 17:32:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 17:32:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 17:32:53,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598655027] [2020-10-15 17:32:53,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 17:32:53,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 17:32:53,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368973553] [2020-10-15 17:32:53,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 17:32:53,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 17:32:53,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 17:32:53,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 17:32:53,641 INFO L87 Difference]: Start difference. First operand 2138 states. Second operand 3 states. [2020-10-15 17:32:53,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 17:32:53,704 INFO L93 Difference]: Finished difference Result 1368 states and 5000 transitions. [2020-10-15 17:32:53,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 17:32:53,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-15 17:32:53,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 17:32:53,724 INFO L225 Difference]: With dead ends: 1368 [2020-10-15 17:32:53,724 INFO L226 Difference]: Without dead ends: 1368 [2020-10-15 17:32:53,724 INFO L677 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 [2020-10-15 17:32:53,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-10-15 17:32:53,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1368. [2020-10-15 17:32:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2020-10-15 17:32:53,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 5000 transitions. [2020-10-15 17:32:53,823 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 5000 transitions. Word has length 5 [2020-10-15 17:32:53,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 17:32:53,823 INFO L481 AbstractCegarLoop]: Abstraction has 1368 states and 5000 transitions. [2020-10-15 17:32:53,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 17:32:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 5000 transitions. [2020-10-15 17:32:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 17:32:53,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 17:32:53,832 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2020-10-15 17:32:53,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 17:32:53,832 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 17:32:53,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 17:32:53,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1411337890, now seen corresponding path program 1 times [2020-10-15 17:32:53,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 17:32:53,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836973658] [2020-10-15 17:32:53,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 17:32:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 17:32:53,868 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 17:32:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 17:32:53,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 17:32:53,903 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 17:32:53,904 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 17:32:53,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 17:32:53,904 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 17:32:53,906 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-15 17:32:53,919 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,919 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,919 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,920 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,920 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,920 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,920 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,920 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,921 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,921 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,921 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,921 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,921 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,921 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,922 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,922 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,922 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,922 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,922 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,922 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,923 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,923 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,923 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,923 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,923 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,923 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,924 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,924 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,927 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,928 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,928 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,928 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,928 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,928 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,929 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,929 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,929 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,929 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,931 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,931 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,931 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,931 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,931 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,931 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,932 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,932 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,932 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,932 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,932 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,933 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,933 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,933 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,933 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,933 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,935 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,936 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,936 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,936 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,937 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,937 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,938 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,938 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,938 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,938 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,939 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,939 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,940 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,940 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,941 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,941 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,942 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:53,945 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 17:32:53,945 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 17:32:53,945 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 17:32:53,945 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 17:32:53,946 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 17:32:53,946 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 17:32:53,946 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 17:32:53,946 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 17:32:53,946 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 17:32:53,948 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 17:32:53,948 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 102 transitions, 246 flow [2020-10-15 17:32:53,948 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 102 transitions, 246 flow [2020-10-15 17:32:53,948 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 102 transitions, 246 flow [2020-10-15 17:32:53,967 INFO L129 PetriNetUnfolder]: 13/101 cut-off events. [2020-10-15 17:32:53,967 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-15 17:32:53,968 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. [2020-10-15 17:32:53,972 INFO L117 LiptonReduction]: Number of co-enabled transitions 2856 [2020-10-15 17:32:55,012 INFO L132 LiptonReduction]: Checked pairs total: 9399 [2020-10-15 17:32:55,012 INFO L134 LiptonReduction]: Total number of compositions: 69 [2020-10-15 17:32:55,012 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 52 transitions, 146 flow [2020-10-15 17:32:56,276 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 17114 states. [2020-10-15 17:32:56,276 INFO L276 IsEmpty]: Start isEmpty. Operand 17114 states. [2020-10-15 17:32:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 17:32:56,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 17:32:56,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 17:32:56,277 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 17:32:56,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 17:32:56,277 INFO L82 PathProgramCache]: Analyzing trace with hash 635263293, now seen corresponding path program 1 times [2020-10-15 17:32:56,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 17:32:56,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890793871] [2020-10-15 17:32:56,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 17:32:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 17:32:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 17:32:56,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890793871] [2020-10-15 17:32:56,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 17:32:56,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 17:32:56,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796237814] [2020-10-15 17:32:56,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 17:32:56,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 17:32:56,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 17:32:56,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 17:32:56,336 INFO L87 Difference]: Start difference. First operand 17114 states. Second operand 3 states. [2020-10-15 17:32:56,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 17:32:56,499 INFO L93 Difference]: Finished difference Result 8928 states and 41442 transitions. [2020-10-15 17:32:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 17:32:56,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-15 17:32:56,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 17:32:56,596 INFO L225 Difference]: With dead ends: 8928 [2020-10-15 17:32:56,597 INFO L226 Difference]: Without dead ends: 8928 [2020-10-15 17:32:56,597 INFO L677 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 [2020-10-15 17:32:56,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8928 states. [2020-10-15 17:32:57,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8928 to 8928. [2020-10-15 17:32:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8928 states. [2020-10-15 17:32:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8928 states to 8928 states and 41442 transitions. [2020-10-15 17:32:57,199 INFO L78 Accepts]: Start accepts. Automaton has 8928 states and 41442 transitions. Word has length 5 [2020-10-15 17:32:57,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 17:32:57,199 INFO L481 AbstractCegarLoop]: Abstraction has 8928 states and 41442 transitions. [2020-10-15 17:32:57,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 17:32:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 8928 states and 41442 transitions. [2020-10-15 17:32:57,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 17:32:57,207 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 17:32:57,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 17:32:57,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 17:32:57,208 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 17:32:57,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 17:32:57,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1729216085, now seen corresponding path program 1 times [2020-10-15 17:32:57,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 17:32:57,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657638536] [2020-10-15 17:32:57,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 17:32:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 17:32:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 17:32:57,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657638536] [2020-10-15 17:32:57,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 17:32:57,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 17:32:57,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834209869] [2020-10-15 17:32:57,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 17:32:57,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 17:32:57,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 17:32:57,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 17:32:57,262 INFO L87 Difference]: Start difference. First operand 8928 states and 41442 transitions. Second operand 3 states. [2020-10-15 17:32:57,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 17:32:57,300 INFO L93 Difference]: Finished difference Result 1296 states and 4266 transitions. [2020-10-15 17:32:57,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 17:32:57,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-15 17:32:57,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 17:32:57,323 INFO L225 Difference]: With dead ends: 1296 [2020-10-15 17:32:57,323 INFO L226 Difference]: Without dead ends: 1296 [2020-10-15 17:32:57,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 17:32:57,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2020-10-15 17:32:57,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1044. [2020-10-15 17:32:57,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2020-10-15 17:32:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 3468 transitions. [2020-10-15 17:32:57,355 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 3468 transitions. Word has length 12 [2020-10-15 17:32:57,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 17:32:57,356 INFO L481 AbstractCegarLoop]: Abstraction has 1044 states and 3468 transitions. [2020-10-15 17:32:57,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 17:32:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 3468 transitions. [2020-10-15 17:32:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 17:32:57,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 17:32:57,358 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 17:32:57,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 17:32:57,358 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 17:32:57,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 17:32:57,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1085212391, now seen corresponding path program 1 times [2020-10-15 17:32:57,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 17:32:57,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399630431] [2020-10-15 17:32:57,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 17:32:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 17:32:57,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 17:32:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 17:32:57,395 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 17:32:57,404 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 17:32:57,404 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 17:32:57,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 17:32:57,405 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 17:32:57,405 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-15 17:32:57,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,419 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,420 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,420 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,421 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,421 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,422 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,422 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,423 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,423 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,423 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,423 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,423 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,423 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,424 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,424 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,424 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,424 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,424 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,426 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,426 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,426 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,426 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,426 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,426 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,427 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,427 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,428 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,430 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,430 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,431 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,431 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,432 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,432 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,433 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,433 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,434 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,434 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,434 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,434 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,434 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,434 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,435 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,435 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,436 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,436 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,436 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,436 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,436 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,437 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,438 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,438 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,438 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,438 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,439 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,440 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,440 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,440 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,444 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:32:57,448 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-15 17:32:57,449 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 17:32:57,449 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 17:32:57,449 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 17:32:57,449 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 17:32:57,449 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 17:32:57,449 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 17:32:57,449 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 17:32:57,450 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 17:32:57,451 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 17:32:57,451 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 128 transitions, 320 flow [2020-10-15 17:32:57,452 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 128 transitions, 320 flow [2020-10-15 17:32:57,452 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 128 transitions, 320 flow [2020-10-15 17:32:57,469 INFO L129 PetriNetUnfolder]: 16/123 cut-off events. [2020-10-15 17:32:57,469 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-15 17:32:57,471 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 320 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. [2020-10-15 17:32:57,476 INFO L117 LiptonReduction]: Number of co-enabled transitions 4344 [2020-10-15 17:32:58,774 INFO L132 LiptonReduction]: Checked pairs total: 14072 [2020-10-15 17:32:58,774 INFO L134 LiptonReduction]: Total number of compositions: 85 [2020-10-15 17:32:58,774 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 65 transitions, 194 flow [2020-10-15 17:33:45,989 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 136922 states. [2020-10-15 17:33:45,989 INFO L276 IsEmpty]: Start isEmpty. Operand 136922 states. [2020-10-15 17:33:45,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 17:33:45,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 17:33:45,990 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 17:33:45,990 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 17:33:45,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 17:33:45,990 INFO L82 PathProgramCache]: Analyzing trace with hash 862829487, now seen corresponding path program 1 times [2020-10-15 17:33:45,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 17:33:45,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929353646] [2020-10-15 17:33:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 17:33:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 17:33:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 17:33:46,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929353646] [2020-10-15 17:33:46,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 17:33:46,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 17:33:46,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446874351] [2020-10-15 17:33:46,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 17:33:46,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 17:33:46,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 17:33:46,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 17:33:46,040 INFO L87 Difference]: Start difference. First operand 136922 states. Second operand 3 states. [2020-10-15 17:33:46,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 17:33:46,482 INFO L93 Difference]: Finished difference Result 59058 states and 333130 transitions. [2020-10-15 17:33:46,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 17:33:46,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-15 17:33:46,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 17:33:46,888 INFO L225 Difference]: With dead ends: 59058 [2020-10-15 17:33:46,888 INFO L226 Difference]: Without dead ends: 59058 [2020-10-15 17:33:46,889 INFO L677 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 [2020-10-15 17:33:51,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59058 states. [2020-10-15 17:33:53,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59058 to 59058. [2020-10-15 17:33:53,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59058 states. [2020-10-15 17:33:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59058 states to 59058 states and 333130 transitions. [2020-10-15 17:33:53,498 INFO L78 Accepts]: Start accepts. Automaton has 59058 states and 333130 transitions. Word has length 5 [2020-10-15 17:33:53,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 17:33:53,499 INFO L481 AbstractCegarLoop]: Abstraction has 59058 states and 333130 transitions. [2020-10-15 17:33:53,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 17:33:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 59058 states and 333130 transitions. [2020-10-15 17:33:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 17:33:53,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 17:33:53,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 17:33:53,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 17:33:53,500 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 17:33:53,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 17:33:53,500 INFO L82 PathProgramCache]: Analyzing trace with hash -100722456, now seen corresponding path program 1 times [2020-10-15 17:33:53,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 17:33:53,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336676656] [2020-10-15 17:33:53,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 17:33:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 17:33:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 17:33:53,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336676656] [2020-10-15 17:33:53,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 17:33:53,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 17:33:53,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664892141] [2020-10-15 17:33:53,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 17:33:53,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 17:33:53,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 17:33:53,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 17:33:53,520 INFO L87 Difference]: Start difference. First operand 59058 states and 333130 transitions. Second operand 3 states. [2020-10-15 17:33:53,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 17:33:53,577 INFO L93 Difference]: Finished difference Result 3409 states and 12915 transitions. [2020-10-15 17:33:53,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 17:33:53,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-15 17:33:53,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 17:33:53,589 INFO L225 Difference]: With dead ends: 3409 [2020-10-15 17:33:53,590 INFO L226 Difference]: Without dead ends: 3409 [2020-10-15 17:33:53,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 17:33:53,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2020-10-15 17:33:53,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 2693. [2020-10-15 17:33:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2693 states. [2020-10-15 17:33:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 10317 transitions. [2020-10-15 17:33:53,676 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 10317 transitions. Word has length 12 [2020-10-15 17:33:53,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 17:33:53,676 INFO L481 AbstractCegarLoop]: Abstraction has 2693 states and 10317 transitions. [2020-10-15 17:33:53,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 17:33:53,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 10317 transitions. [2020-10-15 17:33:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 17:33:53,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 17:33:53,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 17:33:53,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 17:33:53,678 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 17:33:53,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 17:33:53,678 INFO L82 PathProgramCache]: Analyzing trace with hash -2082374841, now seen corresponding path program 1 times [2020-10-15 17:33:53,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 17:33:53,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988362603] [2020-10-15 17:33:53,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 17:33:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 17:33:53,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 17:33:53,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988362603] [2020-10-15 17:33:53,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 17:33:53,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 17:33:53,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542703609] [2020-10-15 17:33:53,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 17:33:53,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 17:33:53,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 17:33:53,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 17:33:53,727 INFO L87 Difference]: Start difference. First operand 2693 states and 10317 transitions. Second operand 5 states. [2020-10-15 17:33:54,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 17:33:54,515 INFO L93 Difference]: Finished difference Result 5571 states and 21032 transitions. [2020-10-15 17:33:54,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 17:33:54,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-15 17:33:54,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 17:33:54,532 INFO L225 Difference]: With dead ends: 5571 [2020-10-15 17:33:54,532 INFO L226 Difference]: Without dead ends: 5571 [2020-10-15 17:33:54,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 17:33:54,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2020-10-15 17:33:54,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 4855. [2020-10-15 17:33:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4855 states. [2020-10-15 17:33:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 18434 transitions. [2020-10-15 17:33:54,663 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 18434 transitions. Word has length 15 [2020-10-15 17:33:54,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 17:33:54,663 INFO L481 AbstractCegarLoop]: Abstraction has 4855 states and 18434 transitions. [2020-10-15 17:33:54,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 17:33:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 18434 transitions. [2020-10-15 17:33:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 17:33:54,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 17:33:54,666 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 17:33:54,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 17:33:54,667 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 17:33:54,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 17:33:54,667 INFO L82 PathProgramCache]: Analyzing trace with hash -828571092, now seen corresponding path program 1 times [2020-10-15 17:33:54,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 17:33:54,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955227683] [2020-10-15 17:33:54,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 17:33:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 17:33:54,686 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 17:33:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 17:33:54,697 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 17:33:54,713 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 17:33:54,713 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 17:33:54,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 17:33:54,714 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 17:33:54,714 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-15 17:33:54,727 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,727 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,727 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,737 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,737 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,737 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,739 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,739 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,742 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,742 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,742 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,743 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,743 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,743 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,744 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,744 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,744 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,748 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,748 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,748 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,748 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,748 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,748 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,749 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,750 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,750 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,750 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,750 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,750 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,751 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,751 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,751 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,751 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,752 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,752 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,753 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,753 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,753 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,753 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,753 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,753 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,754 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,757 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,757 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,759 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,760 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,760 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,760 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,761 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,761 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,761 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,762 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,762 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,763 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,763 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,763 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 17:33:54,764 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-15 17:33:54,765 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 17:33:54,765 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 17:33:54,765 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 17:33:54,765 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 17:33:54,765 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 17:33:54,765 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 17:33:54,765 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 17:33:54,765 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 17:33:54,767 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 17:33:54,767 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 154 transitions, 398 flow [2020-10-15 17:33:54,767 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 154 transitions, 398 flow [2020-10-15 17:33:54,767 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 150 places, 154 transitions, 398 flow [2020-10-15 17:33:54,789 INFO L129 PetriNetUnfolder]: 19/145 cut-off events. [2020-10-15 17:33:54,790 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-15 17:33:54,792 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 389 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. [2020-10-15 17:33:54,798 INFO L117 LiptonReduction]: Number of co-enabled transitions 6144 [2020-10-15 17:33:56,118 INFO L132 LiptonReduction]: Checked pairs total: 18139 [2020-10-15 17:33:56,118 INFO L134 LiptonReduction]: Total number of compositions: 103 [2020-10-15 17:33:56,119 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 79 transitions, 248 flow Received shutdown request... [2020-10-15 17:46:51,859 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-15 17:46:51,861 WARN L235 ceAbstractionStarter]: Timeout [2020-10-15 17:46:51,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 05:46:51 BasicIcfg [2020-10-15 17:46:51,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 17:46:51,864 INFO L168 Benchmark]: Toolchain (without parser) took 841865.48 ms. Allocated memory was 253.8 MB in the beginning and 6.3 GB in the end (delta: 6.0 GB). Free memory was 208.9 MB in the beginning and 731.7 MB in the end (delta: -522.8 MB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. [2020-10-15 17:46:51,865 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 17:46:51,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.12 ms. Allocated memory was 253.8 MB in the beginning and 323.0 MB in the end (delta: 69.2 MB). Free memory was 208.9 MB in the beginning and 279.0 MB in the end (delta: -70.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 14.2 GB. [2020-10-15 17:46:51,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.58 ms. Allocated memory is still 323.0 MB. Free memory was 279.0 MB in the beginning and 276.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 17:46:51,867 INFO L168 Benchmark]: Boogie Preprocessor took 28.21 ms. Allocated memory is still 323.0 MB. Free memory is still 276.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 17:46:51,868 INFO L168 Benchmark]: RCFGBuilder took 512.99 ms. Allocated memory is still 323.0 MB. Free memory was 276.5 MB in the beginning and 241.4 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 14.2 GB. [2020-10-15 17:46:51,869 INFO L168 Benchmark]: TraceAbstraction took 840692.50 ms. Allocated memory was 323.0 MB in the beginning and 6.3 GB in the end (delta: 6.0 GB). Free memory was 241.4 MB in the beginning and 731.7 MB in the end (delta: -490.3 MB). Peak memory consumption was 5.9 GB. Max. memory is 14.2 GB. [2020-10-15 17:46:51,873 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 580.12 ms. Allocated memory was 253.8 MB in the beginning and 323.0 MB in the end (delta: 69.2 MB). Free memory was 208.9 MB in the beginning and 279.0 MB in the end (delta: -70.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 46.58 ms. Allocated memory is still 323.0 MB. Free memory was 279.0 MB in the beginning and 276.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 28.21 ms. Allocated memory is still 323.0 MB. Free memory is still 276.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 512.99 ms. Allocated memory is still 323.0 MB. Free memory was 276.5 MB in the beginning and 241.4 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 840692.50 ms. Allocated memory was 323.0 MB in the beginning and 6.3 GB in the end (delta: 6.0 GB). Free memory was 241.4 MB in the beginning and 731.7 MB in the end (delta: -490.3 MB). Peak memory consumption was 5.9 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 469 VarBasedMoverChecksPositive, 20 VarBasedMoverChecksNegative, 6 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 58 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.6s, 50 PlacesBefore, 25 PlacesAfterwards, 50 TransitionsBefore, 21 TransitionsAfterwards, 816 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 4 ChoiceCompositions, 33 TotalNumberOfCompositions, 1474 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 971 VarBasedMoverChecksPositive, 43 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 226 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.8s, 75 PlacesBefore, 43 PlacesAfterwards, 76 TransitionsBefore, 37 TransitionsAfterwards, 1680 CoEnabledTransitionPairs, 5 FixpointIterations, 19 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 7 ChoiceCompositions, 49 TotalNumberOfCompositions, 4577 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1439 VarBasedMoverChecksPositive, 64 VarBasedMoverChecksNegative, 27 SemBasedMoverChecksPositive, 37 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 272 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 100 PlacesBefore, 59 PlacesAfterwards, 102 TransitionsBefore, 52 TransitionsAfterwards, 2856 CoEnabledTransitionPairs, 5 FixpointIterations, 28 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 11 ConcurrentYvCompositions, 9 ChoiceCompositions, 69 TotalNumberOfCompositions, 9399 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2397 VarBasedMoverChecksPositive, 87 VarBasedMoverChecksNegative, 24 SemBasedMoverChecksPositive, 63 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 640 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 125 PlacesBefore, 75 PlacesAfterwards, 128 TransitionsBefore, 65 TransitionsAfterwards, 4344 CoEnabledTransitionPairs, 5 FixpointIterations, 34 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 12 ConcurrentYvCompositions, 13 ChoiceCompositions, 85 TotalNumberOfCompositions, 14072 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3019 VarBasedMoverChecksPositive, 79 VarBasedMoverChecksNegative, 21 SemBasedMoverChecksPositive, 58 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 648 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 150 PlacesBefore, 91 PlacesAfterwards, 154 TransitionsBefore, 79 TransitionsAfterwards, 6144 CoEnabledTransitionPairs, 4 FixpointIterations, 43 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 14 ConcurrentYvCompositions, 16 ChoiceCompositions, 103 TotalNumberOfCompositions, 18139 MoverChecksTotal - 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 646619 states. Currently 89593 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 44 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 840.3s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 829.6s, HoareTripleCheckerStatistics: 222 SDtfs, 248 SDslu, 161 SDs, 0 SdLazy, 143 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s 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: 7.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 1684 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1840 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