/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 01:05:23,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 01:05:23,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 01:05:23,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 01:05:23,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 01:05:23,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 01:05:23,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 01:05:23,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 01:05:23,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 01:05:23,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 01:05:23,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 01:05:23,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 01:05:23,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 01:05:23,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 01:05:23,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 01:05:23,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 01:05:23,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 01:05:23,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 01:05:23,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 01:05:23,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 01:05:23,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 01:05:23,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 01:05:23,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 01:05:23,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 01:05:23,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 01:05:23,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 01:05:23,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 01:05:23,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 01:05:23,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 01:05:23,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 01:05:23,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 01:05:23,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 01:05:23,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 01:05:23,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 01:05:23,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 01:05:23,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 01:05:23,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 01:05:23,393 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 01:05:23,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 01:05:23,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 01:05:23,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 01:05:23,395 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 01:05:23,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 01:05:23,395 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 01:05:23,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 01:05:23,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 01:05:23,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 01:05:23,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 01:05:23,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 01:05:23,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 01:05:23,397 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 01:05:23,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 01:05:23,398 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 01:05:23,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 01:05:23,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 01:05:23,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 01:05:23,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 01:05:23,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 01:05:23,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 01:05:23,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 01:05:23,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 01:05:23,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 01:05:23,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 01:05:23,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 01:05:23,401 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 01:05:23,402 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 01:05:23,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 01:05:23,402 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 01:05:23,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 01:05:23,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 01:05:23,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 01:05:23,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 01:05:23,757 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 01:05:23,759 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2020-10-06 01:05:23,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0d9921cd/716ad6f08b804bcbb635495715dfd3d4/FLAGe8ce8a6f3 [2020-10-06 01:05:24,419 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 01:05:24,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2020-10-06 01:05:24,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0d9921cd/716ad6f08b804bcbb635495715dfd3d4/FLAGe8ce8a6f3 [2020-10-06 01:05:24,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0d9921cd/716ad6f08b804bcbb635495715dfd3d4 [2020-10-06 01:05:24,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 01:05:24,671 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 01:05:24,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 01:05:24,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 01:05:24,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 01:05:24,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:05:24" (1/1) ... [2020-10-06 01:05:24,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66afe92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:24, skipping insertion in model container [2020-10-06 01:05:24,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:05:24" (1/1) ... [2020-10-06 01:05:24,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 01:05:24,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 01:05:25,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:05:25,117 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 01:05:25,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:05:25,346 INFO L208 MainTranslator]: Completed translation [2020-10-06 01:05:25,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25 WrapperNode [2020-10-06 01:05:25,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 01:05:25,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 01:05:25,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 01:05:25,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 01:05:25,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25" (1/1) ... [2020-10-06 01:05:25,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25" (1/1) ... [2020-10-06 01:05:25,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 01:05:25,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 01:05:25,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 01:05:25,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 01:05:25,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25" (1/1) ... [2020-10-06 01:05:25,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25" (1/1) ... [2020-10-06 01:05:25,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25" (1/1) ... [2020-10-06 01:05:25,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25" (1/1) ... [2020-10-06 01:05:25,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25" (1/1) ... [2020-10-06 01:05:25,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25" (1/1) ... [2020-10-06 01:05:25,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25" (1/1) ... [2020-10-06 01:05:25,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 01:05:25,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 01:05:25,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 01:05:25,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 01:05:25,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 01:05:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 01:05:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 01:05:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 01:05:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 01:05:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 01:05:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 01:05:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 01:05:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 01:05:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-06 01:05:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-06 01:05:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-06 01:05:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-06 01:05:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 01:05:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 01:05:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 01:05:25,514 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 01:05:25,902 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 01:05:25,903 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-06 01:05:25,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:05:25 BoogieIcfgContainer [2020-10-06 01:05:25,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 01:05:25,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 01:05:25,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 01:05:25,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 01:05:25,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 01:05:24" (1/3) ... [2020-10-06 01:05:25,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c790884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:05:25, skipping insertion in model container [2020-10-06 01:05:25,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:05:25" (2/3) ... [2020-10-06 01:05:25,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c790884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:05:25, skipping insertion in model container [2020-10-06 01:05:25,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:05:25" (3/3) ... [2020-10-06 01:05:25,915 INFO L109 eAbstractionObserver]: Analyzing ICFG safe019_tso.oepc.i [2020-10-06 01:05:25,926 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 01:05:25,927 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 01:05:25,934 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 01:05:25,935 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 01:05:25,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,969 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,970 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,971 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,972 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,973 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,973 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,974 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,974 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,975 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,975 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,975 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,976 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,976 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,976 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,982 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,982 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,992 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,992 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,996 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,996 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,999 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:25,999 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:26,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:26,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:05:26,016 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 01:05:26,039 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:05:26,039 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:05:26,040 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:05:26,040 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:05:26,040 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:05:26,040 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:05:26,040 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:05:26,040 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:05:26,058 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 81 transitions, 182 flow [2020-10-06 01:05:26,060 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 182 flow [2020-10-06 01:05:26,113 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 01:05:26,113 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:05:26,119 INFO L80 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2020-10-06 01:05:26,123 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 182 flow [2020-10-06 01:05:26,152 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-06 01:05:26,152 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:05:26,153 INFO L80 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2020-10-06 01:05:26,155 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1822 [2020-10-06 01:05:26,157 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:05:27,697 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3093 [2020-10-06 01:05:27,698 INFO L214 etLargeBlockEncoding]: Total number of compositions: 65 [2020-10-06 01:05:27,702 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 25 transitions, 70 flow [2020-10-06 01:05:27,753 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-10-06 01:05:27,756 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-10-06 01:05:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 01:05:27,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:05:27,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:05:27,774 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:05:27,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:05:27,784 INFO L82 PathProgramCache]: Analyzing trace with hash -2005095105, now seen corresponding path program 1 times [2020-10-06 01:05:27,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:05:27,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128300127] [2020-10-06 01:05:27,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:05:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:05:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:05:28,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128300127] [2020-10-06 01:05:28,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:05:28,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:05:28,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [941769387] [2020-10-06 01:05:28,112 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:05:28,116 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:05:28,132 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-06 01:05:28,133 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:05:28,138 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:05:28,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:05:28,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:05:28,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:05:28,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:05:28,155 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-10-06 01:05:28,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:05:28,203 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-10-06 01:05:28,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:05:28,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-06 01:05:28,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:05:28,229 INFO L225 Difference]: With dead ends: 670 [2020-10-06 01:05:28,229 INFO L226 Difference]: Without dead ends: 526 [2020-10-06 01:05:28,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:05:28,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-06 01:05:28,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-10-06 01:05:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-10-06 01:05:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-10-06 01:05:28,340 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-10-06 01:05:28,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:05:28,341 INFO L479 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-10-06 01:05:28,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:05:28,342 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-10-06 01:05:28,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 01:05:28,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:05:28,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:05:28,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 01:05:28,345 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:05:28,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:05:28,346 INFO L82 PathProgramCache]: Analyzing trace with hash -2027540211, now seen corresponding path program 1 times [2020-10-06 01:05:28,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:05:28,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347690476] [2020-10-06 01:05:28,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:05:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:05:28,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:05:28,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347690476] [2020-10-06 01:05:28,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:05:28,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:05:28,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1014633627] [2020-10-06 01:05:28,439 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:05:28,441 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:05:28,443 INFO L258 McrAutomatonBuilder]: Finished intersection with 19 states and 25 transitions. [2020-10-06 01:05:28,444 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:05:28,506 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:05:28,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:05:28,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:05:28,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:05:28,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:05:28,509 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-10-06 01:05:28,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:05:28,547 INFO L93 Difference]: Finished difference Result 724 states and 2331 transitions. [2020-10-06 01:05:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:05:28,548 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-06 01:05:28,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:05:28,553 INFO L225 Difference]: With dead ends: 724 [2020-10-06 01:05:28,553 INFO L226 Difference]: Without dead ends: 412 [2020-10-06 01:05:28,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:05:28,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-10-06 01:05:28,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2020-10-06 01:05:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-10-06 01:05:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 1323 transitions. [2020-10-06 01:05:28,584 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 1323 transitions. Word has length 11 [2020-10-06 01:05:28,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:05:28,584 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 1323 transitions. [2020-10-06 01:05:28,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:05:28,584 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1323 transitions. [2020-10-06 01:05:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 01:05:28,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:05:28,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:05:28,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 01:05:28,587 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:05:28,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:05:28,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1543893440, now seen corresponding path program 1 times [2020-10-06 01:05:28,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:05:28,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462845538] [2020-10-06 01:05:28,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:05:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:05:28,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:05:28,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462845538] [2020-10-06 01:05:28,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:05:28,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:05:28,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1423094108] [2020-10-06 01:05:28,684 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:05:28,686 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:05:28,688 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 16 transitions. [2020-10-06 01:05:28,688 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:05:28,699 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:05:28,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:05:28,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:05:28,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:05:28,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:05:28,701 INFO L87 Difference]: Start difference. First operand 412 states and 1323 transitions. Second operand 3 states. [2020-10-06 01:05:28,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:05:28,710 INFO L93 Difference]: Finished difference Result 394 states and 1254 transitions. [2020-10-06 01:05:28,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:05:28,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-06 01:05:28,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:05:28,714 INFO L225 Difference]: With dead ends: 394 [2020-10-06 01:05:28,714 INFO L226 Difference]: Without dead ends: 394 [2020-10-06 01:05:28,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:05:28,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-10-06 01:05:28,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-10-06 01:05:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-06 01:05:28,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1254 transitions. [2020-10-06 01:05:28,734 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1254 transitions. Word has length 12 [2020-10-06 01:05:28,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:05:28,735 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 1254 transitions. [2020-10-06 01:05:28,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:05:28,735 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1254 transitions. [2020-10-06 01:05:28,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-06 01:05:28,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:05:28,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:05:28,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 01:05:28,738 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:05:28,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:05:28,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1381595750, now seen corresponding path program 1 times [2020-10-06 01:05:28,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:05:28,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984128575] [2020-10-06 01:05:28,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:05:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:05:28,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:05:28,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984128575] [2020-10-06 01:05:28,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:05:28,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:05:28,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1903991816] [2020-10-06 01:05:28,789 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:05:28,790 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:05:28,794 INFO L258 McrAutomatonBuilder]: Finished intersection with 23 states and 31 transitions. [2020-10-06 01:05:28,794 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:05:28,822 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:05:28,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:05:28,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:05:28,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:05:28,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:05:28,824 INFO L87 Difference]: Start difference. First operand 394 states and 1254 transitions. Second operand 4 states. [2020-10-06 01:05:28,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:05:28,854 INFO L93 Difference]: Finished difference Result 652 states and 1957 transitions. [2020-10-06 01:05:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 01:05:28,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-06 01:05:28,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:05:28,857 INFO L225 Difference]: With dead ends: 652 [2020-10-06 01:05:28,858 INFO L226 Difference]: Without dead ends: 340 [2020-10-06 01:05:28,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:05:28,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-10-06 01:05:28,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 304. [2020-10-06 01:05:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-06 01:05:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 891 transitions. [2020-10-06 01:05:28,872 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 891 transitions. Word has length 13 [2020-10-06 01:05:28,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:05:28,872 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 891 transitions. [2020-10-06 01:05:28,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:05:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 891 transitions. [2020-10-06 01:05:28,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-06 01:05:28,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:05:28,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:05:28,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 01:05:28,874 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:05:28,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:05:28,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1391724752, now seen corresponding path program 1 times [2020-10-06 01:05:28,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:05:28,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521450500] [2020-10-06 01:05:28,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:05:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:05:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:05:28,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521450500] [2020-10-06 01:05:28,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:05:28,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:05:28,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [108818740] [2020-10-06 01:05:28,924 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:05:28,926 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:05:28,929 INFO L258 McrAutomatonBuilder]: Finished intersection with 23 states and 33 transitions. [2020-10-06 01:05:28,930 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:05:28,978 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:05:28,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:05:28,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:05:28,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:05:28,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:05:28,980 INFO L87 Difference]: Start difference. First operand 304 states and 891 transitions. Second operand 4 states. [2020-10-06 01:05:29,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:05:29,008 INFO L93 Difference]: Finished difference Result 406 states and 1128 transitions. [2020-10-06 01:05:29,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:05:29,008 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-06 01:05:29,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:05:29,010 INFO L225 Difference]: With dead ends: 406 [2020-10-06 01:05:29,011 INFO L226 Difference]: Without dead ends: 226 [2020-10-06 01:05:29,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:05:29,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-06 01:05:29,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-10-06 01:05:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-06 01:05:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 619 transitions. [2020-10-06 01:05:29,023 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 619 transitions. Word has length 13 [2020-10-06 01:05:29,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:05:29,023 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 619 transitions. [2020-10-06 01:05:29,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:05:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 619 transitions. [2020-10-06 01:05:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 01:05:29,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:05:29,024 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:05:29,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 01:05:29,025 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:05:29,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:05:29,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1162350155, now seen corresponding path program 1 times [2020-10-06 01:05:29,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:05:29,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163643576] [2020-10-06 01:05:29,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:05:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:05:29,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:05:29,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163643576] [2020-10-06 01:05:29,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:05:29,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:05:29,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1738804718] [2020-10-06 01:05:29,167 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:05:29,169 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:05:29,176 INFO L258 McrAutomatonBuilder]: Finished intersection with 33 states and 54 transitions. [2020-10-06 01:05:29,176 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:05:29,199 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:05:29,219 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:05:29,250 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:05:29,262 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:05:29,272 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:05:29,281 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:05:29,290 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:05:29,303 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:05:29,318 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:05:29,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:05:29,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:05:29,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:05:29,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:05:29,320 INFO L87 Difference]: Start difference. First operand 226 states and 619 transitions. Second operand 4 states. [2020-10-06 01:05:29,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:05:29,352 INFO L93 Difference]: Finished difference Result 190 states and 499 transitions. [2020-10-06 01:05:29,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 01:05:29,353 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-06 01:05:29,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:05:29,353 INFO L225 Difference]: With dead ends: 190 [2020-10-06 01:05:29,353 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 01:05:29,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:05:29,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 01:05:29,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 01:05:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 01:05:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 01:05:29,355 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-06 01:05:29,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:05:29,355 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 01:05:29,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:05:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 01:05:29,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 01:05:29,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 01:05:29,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 01:05:29 BasicIcfg [2020-10-06 01:05:29,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 01:05:29,363 INFO L168 Benchmark]: Toolchain (without parser) took 4692.17 ms. Allocated memory was 146.3 MB in the beginning and 248.0 MB in the end (delta: 101.7 MB). Free memory was 101.9 MB in the beginning and 112.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2020-10-06 01:05:29,364 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-06 01:05:29,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.46 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 101.7 MB in the beginning and 161.3 MB in the end (delta: -59.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-10-06 01:05:29,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.72 ms. Allocated memory is still 202.9 MB. Free memory was 161.3 MB in the beginning and 158.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-06 01:05:29,367 INFO L168 Benchmark]: Boogie Preprocessor took 29.57 ms. Allocated memory is still 202.9 MB. Free memory was 158.6 MB in the beginning and 157.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-06 01:05:29,368 INFO L168 Benchmark]: RCFGBuilder took 475.18 ms. Allocated memory is still 202.9 MB. Free memory was 157.2 MB in the beginning and 133.0 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-10-06 01:05:29,369 INFO L168 Benchmark]: TraceAbstraction took 3453.38 ms. Allocated memory was 202.9 MB in the beginning and 248.0 MB in the end (delta: 45.1 MB). Free memory was 132.3 MB in the beginning and 112.8 MB in the end (delta: 19.5 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. [2020-10-06 01:05:29,374 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.46 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 101.7 MB in the beginning and 161.3 MB in the end (delta: -59.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.72 ms. Allocated memory is still 202.9 MB. Free memory was 161.3 MB in the beginning and 158.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.57 ms. Allocated memory is still 202.9 MB. Free memory was 158.6 MB in the beginning and 157.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 475.18 ms. Allocated memory is still 202.9 MB. Free memory was 157.2 MB in the beginning and 133.0 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3453.38 ms. Allocated memory was 202.9 MB in the beginning and 248.0 MB in the end (delta: 45.1 MB). Free memory was 132.3 MB in the beginning and 112.8 MB in the end (delta: 19.5 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 92 ProgramPointsBefore, 38 ProgramPointsAfterwards, 81 TransitionsBefore, 25 TransitionsAfterwards, 1822 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 944 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3093 CheckedPairsTotal, 65 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 135 SDtfs, 93 SDslu, 156 SDs, 0 SdLazy, 52 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 2085 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...