/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 23:44:16,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 23:44:16,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 23:44:16,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 23:44:16,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 23:44:16,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 23:44:16,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 23:44:16,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 23:44:16,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 23:44:16,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 23:44:16,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 23:44:16,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 23:44:16,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 23:44:16,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 23:44:16,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 23:44:16,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 23:44:16,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 23:44:16,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 23:44:16,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 23:44:16,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 23:44:16,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 23:44:16,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 23:44:16,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 23:44:16,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 23:44:16,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 23:44:16,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 23:44:16,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 23:44:16,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 23:44:16,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 23:44:16,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 23:44:16,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 23:44:16,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 23:44:16,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 23:44:16,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 23:44:16,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 23:44:16,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 23:44:16,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-27 23:44:16,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 23:44:16,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 23:44:16,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 23:44:16,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 23:44:16,241 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 23:44:16,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 23:44:16,241 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 23:44:16,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 23:44:16,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 23:44:16,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 23:44:16,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 23:44:16,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 23:44:16,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 23:44:16,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 23:44:16,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 23:44:16,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 23:44:16,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 23:44:16,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 23:44:16,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 23:44:16,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 23:44:16,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 23:44:16,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 23:44:16,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 23:44:16,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 23:44:16,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 23:44:16,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 23:44:16,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 23:44:16,247 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 23:44:16,248 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 23:44:16,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 23:44:16,249 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 23:44:16,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 23:44:16,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 23:44:16,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 23:44:16,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 23:44:16,593 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 23:44:16,594 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 23:44:16,594 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2019-12-27 23:44:16,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc40de360/5125d052f8ef4824b730269d3b3effcb/FLAG313704c02 [2019-12-27 23:44:17,282 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 23:44:17,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2019-12-27 23:44:17,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc40de360/5125d052f8ef4824b730269d3b3effcb/FLAG313704c02 [2019-12-27 23:44:17,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc40de360/5125d052f8ef4824b730269d3b3effcb [2019-12-27 23:44:17,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 23:44:17,533 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 23:44:17,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 23:44:17,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 23:44:17,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 23:44:17,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:44:17" (1/1) ... [2019-12-27 23:44:17,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183e0aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:17, skipping insertion in model container [2019-12-27 23:44:17,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:44:17" (1/1) ... [2019-12-27 23:44:17,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 23:44:17,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 23:44:18,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:44:18,040 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 23:44:18,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:44:18,186 INFO L208 MainTranslator]: Completed translation [2019-12-27 23:44:18,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18 WrapperNode [2019-12-27 23:44:18,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 23:44:18,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 23:44:18,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 23:44:18,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 23:44:18,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18" (1/1) ... [2019-12-27 23:44:18,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18" (1/1) ... [2019-12-27 23:44:18,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 23:44:18,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 23:44:18,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 23:44:18,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 23:44:18,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18" (1/1) ... [2019-12-27 23:44:18,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18" (1/1) ... [2019-12-27 23:44:18,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18" (1/1) ... [2019-12-27 23:44:18,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18" (1/1) ... [2019-12-27 23:44:18,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18" (1/1) ... [2019-12-27 23:44:18,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18" (1/1) ... [2019-12-27 23:44:18,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18" (1/1) ... [2019-12-27 23:44:18,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 23:44:18,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 23:44:18,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 23:44:18,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 23:44:18,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18" (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 [2019-12-27 23:44:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 23:44:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 23:44:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 23:44:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 23:44:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 23:44:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 23:44:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 23:44:18,365 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 23:44:18,641 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 23:44:18,641 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-27 23:44:18,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:44:18 BoogieIcfgContainer [2019-12-27 23:44:18,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 23:44:18,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 23:44:18,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 23:44:18,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 23:44:18,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:44:17" (1/3) ... [2019-12-27 23:44:18,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cf39d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:44:18, skipping insertion in model container [2019-12-27 23:44:18,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:18" (2/3) ... [2019-12-27 23:44:18,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cf39d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:44:18, skipping insertion in model container [2019-12-27 23:44:18,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:44:18" (3/3) ... [2019-12-27 23:44:18,655 INFO L109 eAbstractionObserver]: Analyzing ICFG 45_monabsex1_vs.i [2019-12-27 23:44:18,681 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 23:44:18,682 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 23:44:18,694 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 23:44:18,695 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 23:44:18,717 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,717 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,718 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,718 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,719 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,719 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,719 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,719 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,720 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,720 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,720 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,721 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,721 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,722 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,726 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,726 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,726 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,727 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,727 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,727 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:18,745 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 23:44:18,770 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:44:18,771 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:44:18,771 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:44:18,771 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:44:18,771 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:44:18,772 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:44:18,772 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:44:18,773 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:44:18,783 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 33 transitions [2019-12-27 23:44:18,802 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 138 states. [2019-12-27 23:44:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2019-12-27 23:44:18,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-27 23:44:18,813 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:44:18,814 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:44:18,814 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:44:18,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:44:18,820 INFO L82 PathProgramCache]: Analyzing trace with hash 5843665, now seen corresponding path program 1 times [2019-12-27 23:44:18,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:44:18,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400317277] [2019-12-27 23:44:18,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:44:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:19,004 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 23:44:19,005 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 23:44:19,006 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 23:44:19,006 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 23:44:19,016 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,016 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,017 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,017 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,017 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,018 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,018 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,018 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,019 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,019 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,019 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,020 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,020 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,020 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,021 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,021 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,022 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,022 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,022 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,023 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,023 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,023 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,023 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,024 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,024 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,024 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,025 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,025 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,026 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,026 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,026 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,027 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,027 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,027 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,031 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,031 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,031 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,032 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,032 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,032 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,037 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 23:44:19,038 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:44:19,038 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:44:19,038 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:44:19,038 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:44:19,038 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:44:19,038 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:44:19,039 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:44:19,040 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:44:19,045 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 46 transitions [2019-12-27 23:44:19,132 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1566 states. [2019-12-27 23:44:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states. [2019-12-27 23:44:19,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 23:44:19,136 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:44:19,137 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:44:19,137 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:44:19,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:44:19,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1806722581, now seen corresponding path program 1 times [2019-12-27 23:44:19,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:44:19,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952183793] [2019-12-27 23:44:19,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:44:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:19,189 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 23:44:19,189 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 23:44:19,189 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 23:44:19,189 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 23:44:19,210 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,210 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,210 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,211 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,211 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,212 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,212 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,213 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,213 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,213 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,214 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,214 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,214 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,215 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,215 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,216 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,216 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,216 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,217 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,218 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,218 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,218 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,218 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,220 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,220 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,221 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,222 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,222 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,222 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,223 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,224 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,224 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,225 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,228 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,229 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,229 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,232 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,233 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,233 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:19,236 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 23:44:19,237 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:44:19,237 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:44:19,237 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:44:19,237 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:44:19,237 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:44:19,238 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:44:19,238 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:44:19,238 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:44:19,241 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 59 transitions [2019-12-27 23:44:20,843 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 18702 states. [2019-12-27 23:44:20,843 INFO L276 IsEmpty]: Start isEmpty. Operand 18702 states. [2019-12-27 23:44:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 23:44:20,847 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:44:20,847 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:44:20,848 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:44:20,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:44:20,848 INFO L82 PathProgramCache]: Analyzing trace with hash -422681177, now seen corresponding path program 1 times [2019-12-27 23:44:20,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:44:20,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765809782] [2019-12-27 23:44:20,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:44:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:44:20,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 23:44:20,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765809782] [2019-12-27 23:44:20,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:44:20,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:44:20,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [241743328] [2019-12-27 23:44:20,969 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:44:20,974 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:44:20,991 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 22 states and 21 transitions. [2019-12-27 23:44:20,992 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:44:20,996 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:44:20,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:44:20,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:44:21,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:44:21,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:44:21,014 INFO L87 Difference]: Start difference. First operand 18702 states. Second operand 3 states. [2019-12-27 23:44:21,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:44:21,356 INFO L93 Difference]: Finished difference Result 11117 states and 38317 transitions. [2019-12-27 23:44:21,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:44:21,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-12-27 23:44:21,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:44:21,488 INFO L225 Difference]: With dead ends: 11117 [2019-12-27 23:44:21,488 INFO L226 Difference]: Without dead ends: 11117 [2019-12-27 23:44:21,491 INFO L631 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 [2019-12-27 23:44:21,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11117 states. [2019-12-27 23:44:22,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11117 to 9425. [2019-12-27 23:44:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9425 states. [2019-12-27 23:44:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9425 states to 9425 states and 32881 transitions. [2019-12-27 23:44:22,083 INFO L78 Accepts]: Start accepts. Automaton has 9425 states and 32881 transitions. Word has length 21 [2019-12-27 23:44:22,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:44:22,084 INFO L462 AbstractCegarLoop]: Abstraction has 9425 states and 32881 transitions. [2019-12-27 23:44:22,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:44:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 9425 states and 32881 transitions. [2019-12-27 23:44:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-27 23:44:22,087 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:44:22,087 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:44:22,088 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:44:22,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:44:22,088 INFO L82 PathProgramCache]: Analyzing trace with hash -524476033, now seen corresponding path program 1 times [2019-12-27 23:44:22,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:44:22,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593373467] [2019-12-27 23:44:22,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:44:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:22,167 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 23:44:22,168 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 23:44:22,169 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 23:44:22,170 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 23:44:22,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,182 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,182 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,183 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,187 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,188 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,188 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,188 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,189 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,189 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,189 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,189 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,191 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,191 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,192 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,192 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,192 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,192 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,192 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,193 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,193 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,193 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,193 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,193 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,193 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,194 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,194 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,194 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,194 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,195 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,195 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,195 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,195 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,195 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,195 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,196 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,196 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,196 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,196 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,196 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,196 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,197 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,197 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,197 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,197 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,198 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,198 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,198 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,198 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,198 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,198 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,199 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,199 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,199 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,200 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,200 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,201 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,205 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,206 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,206 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,206 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,206 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,209 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,210 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,210 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,210 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,210 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,210 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,213 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,214 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,214 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,214 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,214 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,214 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,219 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,219 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,219 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:22,223 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 23:44:22,224 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:44:22,224 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:44:22,224 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:44:22,224 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:44:22,225 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:44:22,226 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:44:22,226 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:44:22,226 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:44:22,229 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 76 places, 72 transitions [2019-12-27 23:46:38,081 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224334 states. [2019-12-27 23:46:38,081 INFO L276 IsEmpty]: Start isEmpty. Operand 224334 states. [2019-12-27 23:46:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 23:46:38,082 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:46:38,083 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:46:38,083 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:46:38,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:46:38,083 INFO L82 PathProgramCache]: Analyzing trace with hash 620332539, now seen corresponding path program 1 times [2019-12-27 23:46:38,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:46:38,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068767652] [2019-12-27 23:46:38,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:46:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:46:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 23:46:38,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068767652] [2019-12-27 23:46:38,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:46:38,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:46:38,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1670735879] [2019-12-27 23:46:38,125 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:46:38,126 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:46:38,129 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 22 states and 21 transitions. [2019-12-27 23:46:38,129 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:46:38,129 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:46:38,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:46:38,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:46:38,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:46:38,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:46:38,131 INFO L87 Difference]: Start difference. First operand 224334 states. Second operand 3 states. [2019-12-27 23:46:39,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:46:39,118 INFO L93 Difference]: Finished difference Result 140789 states and 614377 transitions. [2019-12-27 23:46:39,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:46:39,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-12-27 23:46:39,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:46:40,063 INFO L225 Difference]: With dead ends: 140789 [2019-12-27 23:46:40,064 INFO L226 Difference]: Without dead ends: 140789 [2019-12-27 23:46:40,064 INFO L631 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 [2019-12-27 23:46:49,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140789 states. [2019-12-27 23:46:52,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140789 to 116741. [2019-12-27 23:46:52,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116741 states. [2019-12-27 23:46:52,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116741 states to 116741 states and 514909 transitions. [2019-12-27 23:46:52,544 INFO L78 Accepts]: Start accepts. Automaton has 116741 states and 514909 transitions. Word has length 21 [2019-12-27 23:46:52,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:46:52,544 INFO L462 AbstractCegarLoop]: Abstraction has 116741 states and 514909 transitions. [2019-12-27 23:46:52,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:46:52,544 INFO L276 IsEmpty]: Start isEmpty. Operand 116741 states and 514909 transitions. [2019-12-27 23:46:52,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-27 23:46:52,546 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:46:52,546 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:46:52,546 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:46:52,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:46:52,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1645742255, now seen corresponding path program 1 times [2019-12-27 23:46:52,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:46:52,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747532745] [2019-12-27 23:46:52,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:46:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:46:52,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-27 23:46:52,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747532745] [2019-12-27 23:46:52,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:46:52,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:46:52,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1904912872] [2019-12-27 23:46:52,595 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:46:52,596 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:46:52,600 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 26 states and 25 transitions. [2019-12-27 23:46:52,600 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:46:52,600 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:46:52,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:46:52,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:46:52,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:46:52,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:46:52,602 INFO L87 Difference]: Start difference. First operand 116741 states and 514909 transitions. Second operand 3 states. [2019-12-27 23:47:00,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:47:00,035 INFO L93 Difference]: Finished difference Result 144881 states and 631505 transitions. [2019-12-27 23:47:00,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:47:00,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-27 23:47:00,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:47:00,492 INFO L225 Difference]: With dead ends: 144881 [2019-12-27 23:47:00,492 INFO L226 Difference]: Without dead ends: 144881 [2019-12-27 23:47:00,493 INFO L631 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 [2019-12-27 23:47:05,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144881 states. [2019-12-27 23:47:08,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144881 to 120389. [2019-12-27 23:47:08,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120389 states. [2019-12-27 23:47:08,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120389 states to 120389 states and 530325 transitions. [2019-12-27 23:47:08,558 INFO L78 Accepts]: Start accepts. Automaton has 120389 states and 530325 transitions. Word has length 25 [2019-12-27 23:47:08,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:47:08,558 INFO L462 AbstractCegarLoop]: Abstraction has 120389 states and 530325 transitions. [2019-12-27 23:47:08,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:47:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand 120389 states and 530325 transitions. [2019-12-27 23:47:08,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-27 23:47:08,562 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:47:08,562 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:47:08,563 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:47:08,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:47:08,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1233265832, now seen corresponding path program 1 times [2019-12-27 23:47:08,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:47:08,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477426454] [2019-12-27 23:47:08,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:47:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:47:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-27 23:47:08,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477426454] [2019-12-27 23:47:08,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:47:08,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:47:08,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [511571657] [2019-12-27 23:47:08,606 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:47:08,610 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:47:08,612 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 30 states and 29 transitions. [2019-12-27 23:47:08,613 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:47:08,613 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:47:08,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:47:08,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:47:08,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:47:08,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:47:08,614 INFO L87 Difference]: Start difference. First operand 120389 states and 530325 transitions. Second operand 3 states. [2019-12-27 23:47:14,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:47:14,741 INFO L93 Difference]: Finished difference Result 145337 states and 631791 transitions. [2019-12-27 23:47:14,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:47:14,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-12-27 23:47:14,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:47:15,355 INFO L225 Difference]: With dead ends: 145337 [2019-12-27 23:47:15,355 INFO L226 Difference]: Without dead ends: 145337 [2019-12-27 23:47:15,356 INFO L631 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 [2019-12-27 23:47:19,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145337 states. [2019-12-27 23:47:27,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145337 to 121343. [2019-12-27 23:47:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121343 states. [2019-12-27 23:47:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121343 states to 121343 states and 532965 transitions. [2019-12-27 23:47:27,750 INFO L78 Accepts]: Start accepts. Automaton has 121343 states and 532965 transitions. Word has length 29 [2019-12-27 23:47:27,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:47:27,752 INFO L462 AbstractCegarLoop]: Abstraction has 121343 states and 532965 transitions. [2019-12-27 23:47:27,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:47:27,752 INFO L276 IsEmpty]: Start isEmpty. Operand 121343 states and 532965 transitions. [2019-12-27 23:47:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-27 23:47:27,756 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:47:27,756 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:47:27,756 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:47:27,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:47:27,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1745426225, now seen corresponding path program 1 times [2019-12-27 23:47:27,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:47:27,757 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236434448] [2019-12-27 23:47:27,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:47:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:47:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:47:27,806 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 23:47:27,806 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 23:47:27,807 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 23:47:27,807 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-27 23:47:27,819 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,820 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,820 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,820 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,820 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,820 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,820 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,822 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,822 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,823 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,823 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,823 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,823 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,823 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,823 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,824 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,824 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,824 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,824 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,824 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,826 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,826 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,826 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,826 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,827 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,827 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,827 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,828 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,828 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,828 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,828 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,828 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,829 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,830 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,830 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,830 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,830 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,830 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,830 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,831 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,831 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,831 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,832 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,832 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,832 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,834 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,834 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,835 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,835 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,835 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,835 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,837 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,837 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,838 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,840 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,840 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,840 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,840 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,840 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,842 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,842 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,842 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,842 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,842 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,843 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:47:27,844 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 23:47:27,845 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:47:27,845 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:47:27,845 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:47:27,845 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:47:27,845 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:47:27,845 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:47:27,845 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:47:27,846 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:47:27,847 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 85 transitions Received shutdown request... [2019-12-27 23:48:24,906 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 23:48:24,910 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 23:48:24,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:48:24 BasicIcfg [2019-12-27 23:48:24,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 23:48:24,913 INFO L168 Benchmark]: Toolchain (without parser) took 247379.52 ms. Allocated memory was 142.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 98.8 MB in the beginning and 802.2 MB in the end (delta: -703.4 MB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. [2019-12-27 23:48:24,914 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 142.1 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-27 23:48:24,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.28 ms. Allocated memory was 142.1 MB in the beginning and 198.7 MB in the end (delta: 56.6 MB). Free memory was 98.4 MB in the beginning and 158.7 MB in the end (delta: -60.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-12-27 23:48:24,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.74 ms. Allocated memory is still 198.7 MB. Free memory was 158.7 MB in the beginning and 157.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 23:48:24,917 INFO L168 Benchmark]: Boogie Preprocessor took 46.86 ms. Allocated memory is still 198.7 MB. Free memory was 157.3 MB in the beginning and 155.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 23:48:24,918 INFO L168 Benchmark]: RCFGBuilder took 350.64 ms. Allocated memory is still 198.7 MB. Free memory was 155.9 MB in the beginning and 139.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-12-27 23:48:24,919 INFO L168 Benchmark]: TraceAbstraction took 246265.89 ms. Allocated memory was 198.7 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 139.1 MB in the beginning and 802.2 MB in the end (delta: -663.2 MB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. [2019-12-27 23:48:24,924 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 142.1 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.28 ms. Allocated memory was 142.1 MB in the beginning and 198.7 MB in the end (delta: 56.6 MB). Free memory was 98.4 MB in the beginning and 158.7 MB in the end (delta: -60.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.74 ms. Allocated memory is still 198.7 MB. Free memory was 158.7 MB in the beginning and 157.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.86 ms. Allocated memory is still 198.7 MB. Free memory was 157.3 MB in the beginning and 155.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 350.64 ms. Allocated memory is still 198.7 MB. Free memory was 155.9 MB in the beginning and 139.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 246265.89 ms. Allocated memory was 198.7 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 139.1 MB in the beginning and 802.2 MB in the end (delta: -663.2 MB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 680]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 680). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 90 places, 85 transitions. Already constructed 183286 states. Currently 41153 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Result: TIMEOUT, OverallTime: 57.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown