/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/thin001_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:51:30,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:51:30,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:51:31,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:51:31,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:51:31,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:51:31,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:51:31,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:51:31,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:51:31,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:51:31,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:51:31,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:51:31,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:51:31,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:51:31,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:51:31,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:51:31,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:51:31,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:51:31,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:51:31,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:51:31,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:51:31,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:51:31,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:51:31,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:51:31,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 13:51:31,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:51:31,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:51:31,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:51:31,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:51:31,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:51:31,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:51:31,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:51:31,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:51:31,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:51:31,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:51:31,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:51:31,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 13:51:31,108 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:51:31,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:51:31,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:51:31,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:51:31,110 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:51:31,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:51:31,110 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:51:31,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:51:31,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:51:31,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:51:31,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:51:31,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:51:31,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:51:31,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:51:31,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:51:31,112 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:51:31,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:51:31,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:51:31,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:51:31,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:51:31,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:51:31,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:51:31,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:51:31,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:51:31,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:51:31,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:51:31,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:51:31,114 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:51:31,114 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:51:31,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:51:31,115 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:51:31,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:51:31,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:51:31,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:51:31,437 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:51:31,437 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:51:31,438 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2020-10-16 13:51:31,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8abb678f1/7d8a8742e11c4e089ed1d013c6dc4d96/FLAG78516634b [2020-10-16 13:51:32,069 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:51:32,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/thin001_tso.oepc.i [2020-10-16 13:51:32,086 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8abb678f1/7d8a8742e11c4e089ed1d013c6dc4d96/FLAG78516634b [2020-10-16 13:51:32,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8abb678f1/7d8a8742e11c4e089ed1d013c6dc4d96 [2020-10-16 13:51:32,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:51:32,358 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:51:32,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:51:32,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:51:32,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:51:32,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:51:32" (1/1) ... [2020-10-16 13:51:32,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24be1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:32, skipping insertion in model container [2020-10-16 13:51:32,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:51:32" (1/1) ... [2020-10-16 13:51:32,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:51:32,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:51:32,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:51:32,874 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:51:32,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:51:33,020 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:51:33,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33 WrapperNode [2020-10-16 13:51:33,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:51:33,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:51:33,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:51:33,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:51:33,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33" (1/1) ... [2020-10-16 13:51:33,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33" (1/1) ... [2020-10-16 13:51:33,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:51:33,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:51:33,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:51:33,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:51:33,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33" (1/1) ... [2020-10-16 13:51:33,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33" (1/1) ... [2020-10-16 13:51:33,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33" (1/1) ... [2020-10-16 13:51:33,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33" (1/1) ... [2020-10-16 13:51:33,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33" (1/1) ... [2020-10-16 13:51:33,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33" (1/1) ... [2020-10-16 13:51:33,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33" (1/1) ... [2020-10-16 13:51:33,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:51:33,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:51:33,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:51:33,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:51:33,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 13:51:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:51:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 13:51:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:51:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:51:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 13:51:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 13:51:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 13:51:33,169 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 13:51:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 13:51:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 13:51:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 13:51:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:51:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:51:33,176 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 13:51:33,548 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:51:33,549 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 13:51:33,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:51:33 BoogieIcfgContainer [2020-10-16 13:51:33,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:51:33,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:51:33,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:51:33,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:51:33,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:51:32" (1/3) ... [2020-10-16 13:51:33,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190d1d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:51:33, skipping insertion in model container [2020-10-16 13:51:33,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:51:33" (2/3) ... [2020-10-16 13:51:33,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190d1d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:51:33, skipping insertion in model container [2020-10-16 13:51:33,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:51:33" (3/3) ... [2020-10-16 13:51:33,561 INFO L111 eAbstractionObserver]: Analyzing ICFG thin001_tso.oepc.i [2020-10-16 13:51:33,575 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:51:33,575 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:51:33,584 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 13:51:33,585 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:51:33,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,614 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,614 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,616 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,616 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,616 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,616 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,617 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,617 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,618 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,618 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,624 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,624 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,630 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,630 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,631 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,633 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,634 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:51:33,643 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:51:33,659 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 13:51:33,682 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:51:33,682 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:51:33,683 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:51:33,683 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:51:33,683 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:51:33,683 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:51:33,683 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:51:33,684 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:51:33,698 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:51:33,699 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-16 13:51:33,702 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-16 13:51:33,704 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-16 13:51:33,750 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-16 13:51:33,751 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 13:51:33,756 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-16 13:51:33,759 INFO L117 LiptonReduction]: Number of co-enabled transitions 1260 [2020-10-16 13:51:34,918 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-10-16 13:51:35,017 INFO L132 LiptonReduction]: Checked pairs total: 2579 [2020-10-16 13:51:35,018 INFO L134 LiptonReduction]: Total number of compositions: 58 [2020-10-16 13:51:35,025 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-16 13:51:35,055 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-16 13:51:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-16 13:51:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 13:51:35,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:35,066 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:51:35,067 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:35,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:35,073 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-10-16 13:51:35,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:35,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963322975] [2020-10-16 13:51:35,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:51:35,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963322975] [2020-10-16 13:51:35,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:35,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:51:35,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1716656384] [2020-10-16 13:51:35,307 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:35,310 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:35,325 INFO L258 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-16 13:51:35,325 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:35,329 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:35,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 13:51:35,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:35,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 13:51:35,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 13:51:35,348 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-16 13:51:35,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:35,373 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-16 13:51:35,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 13:51:35,374 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-16 13:51:35,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:35,392 INFO L225 Difference]: With dead ends: 362 [2020-10-16 13:51:35,392 INFO L226 Difference]: Without dead ends: 298 [2020-10-16 13:51:35,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 13:51:35,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-16 13:51:35,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-16 13:51:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-16 13:51:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-16 13:51:35,484 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-16 13:51:35,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:35,486 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-16 13:51:35,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 13:51:35,486 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-16 13:51:35,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:51:35,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:35,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:51:35,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:51:35,488 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:35,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:35,489 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-10-16 13:51:35,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:35,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173026899] [2020-10-16 13:51:35,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:35,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:51:35,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173026899] [2020-10-16 13:51:35,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:35,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:51:35,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1845020868] [2020-10-16 13:51:35,626 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:35,627 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:35,629 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-16 13:51:35,629 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:35,630 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:35,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:51:35,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:35,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:51:35,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:51:35,632 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-10-16 13:51:35,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:35,672 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-10-16 13:51:35,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 13:51:35,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-16 13:51:35,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:35,677 INFO L225 Difference]: With dead ends: 330 [2020-10-16 13:51:35,677 INFO L226 Difference]: Without dead ends: 266 [2020-10-16 13:51:35,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:51:35,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-16 13:51:35,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-16 13:51:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-16 13:51:35,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-10-16 13:51:35,703 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-10-16 13:51:35,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:35,703 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-10-16 13:51:35,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:51:35,703 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-10-16 13:51:35,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 13:51:35,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:35,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:51:35,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:51:35,706 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:35,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:35,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1345064228, now seen corresponding path program 1 times [2020-10-16 13:51:35,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:35,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073790720] [2020-10-16 13:51:35,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:51:35,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073790720] [2020-10-16 13:51:35,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:35,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:51:35,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1458684009] [2020-10-16 13:51:35,794 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:35,795 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:35,797 INFO L258 McrAutomatonBuilder]: Finished intersection with 12 states and 12 transitions. [2020-10-16 13:51:35,797 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:35,804 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:35,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 13:51:35,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:35,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 13:51:35,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:51:35,806 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 5 states. [2020-10-16 13:51:35,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:35,877 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-10-16 13:51:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 13:51:35,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-16 13:51:35,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:35,880 INFO L225 Difference]: With dead ends: 290 [2020-10-16 13:51:35,881 INFO L226 Difference]: Without dead ends: 242 [2020-10-16 13:51:35,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-16 13:51:35,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-16 13:51:35,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-10-16 13:51:35,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-16 13:51:35,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-10-16 13:51:35,902 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-10-16 13:51:35,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:35,903 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-10-16 13:51:35,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 13:51:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-10-16 13:51:35,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 13:51:35,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:35,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:51:35,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:51:35,905 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:35,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:35,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1654538757, now seen corresponding path program 1 times [2020-10-16 13:51:35,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:35,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611069594] [2020-10-16 13:51:35,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:51:35,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611069594] [2020-10-16 13:51:35,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:35,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:51:35,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [231313851] [2020-10-16 13:51:35,967 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:35,968 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:35,970 INFO L258 McrAutomatonBuilder]: Finished intersection with 20 states and 28 transitions. [2020-10-16 13:51:35,971 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:36,031 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:36,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:51:36,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:36,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:51:36,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:51:36,033 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 4 states. [2020-10-16 13:51:36,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:36,055 INFO L93 Difference]: Finished difference Result 260 states and 694 transitions. [2020-10-16 13:51:36,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 13:51:36,056 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-16 13:51:36,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:36,058 INFO L225 Difference]: With dead ends: 260 [2020-10-16 13:51:36,059 INFO L226 Difference]: Without dead ends: 224 [2020-10-16 13:51:36,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:51:36,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-16 13:51:36,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-10-16 13:51:36,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-16 13:51:36,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 610 transitions. [2020-10-16 13:51:36,071 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 610 transitions. Word has length 11 [2020-10-16 13:51:36,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:36,072 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 610 transitions. [2020-10-16 13:51:36,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:51:36,072 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-10-16 13:51:36,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 13:51:36,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:36,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:51:36,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 13:51:36,075 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:36,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:36,075 INFO L82 PathProgramCache]: Analyzing trace with hash 368404844, now seen corresponding path program 1 times [2020-10-16 13:51:36,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:36,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359584344] [2020-10-16 13:51:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:51:36,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359584344] [2020-10-16 13:51:36,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:36,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:51:36,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [576223827] [2020-10-16 13:51:36,136 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:36,137 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:36,141 INFO L258 McrAutomatonBuilder]: Finished intersection with 32 states and 58 transitions. [2020-10-16 13:51:36,141 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:36,254 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:36,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 13:51:36,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:36,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 13:51:36,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:51:36,255 INFO L87 Difference]: Start difference. First operand 224 states and 610 transitions. Second operand 5 states. [2020-10-16 13:51:36,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:36,327 INFO L93 Difference]: Finished difference Result 293 states and 773 transitions. [2020-10-16 13:51:36,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 13:51:36,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-16 13:51:36,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:36,330 INFO L225 Difference]: With dead ends: 293 [2020-10-16 13:51:36,330 INFO L226 Difference]: Without dead ends: 146 [2020-10-16 13:51:36,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 13:51:36,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-16 13:51:36,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-10-16 13:51:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-16 13:51:36,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 358 transitions. [2020-10-16 13:51:36,339 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 358 transitions. Word has length 12 [2020-10-16 13:51:36,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:36,339 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 358 transitions. [2020-10-16 13:51:36,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 13:51:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-10-16 13:51:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 13:51:36,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:36,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:51:36,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 13:51:36,342 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:36,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:36,342 INFO L82 PathProgramCache]: Analyzing trace with hash 257080554, now seen corresponding path program 1 times [2020-10-16 13:51:36,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:36,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846389231] [2020-10-16 13:51:36,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:51:36,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846389231] [2020-10-16 13:51:36,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:36,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:51:36,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1506463405] [2020-10-16 13:51:36,413 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:36,415 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:36,420 INFO L258 McrAutomatonBuilder]: Finished intersection with 34 states and 56 transitions. [2020-10-16 13:51:36,420 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:36,515 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:36,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 13:51:36,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:36,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 13:51:36,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:51:36,517 INFO L87 Difference]: Start difference. First operand 146 states and 358 transitions. Second operand 5 states. [2020-10-16 13:51:36,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:36,562 INFO L93 Difference]: Finished difference Result 188 states and 451 transitions. [2020-10-16 13:51:36,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 13:51:36,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-16 13:51:36,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:36,564 INFO L225 Difference]: With dead ends: 188 [2020-10-16 13:51:36,564 INFO L226 Difference]: Without dead ends: 74 [2020-10-16 13:51:36,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 13:51:36,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-16 13:51:36,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-16 13:51:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-16 13:51:36,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 164 transitions. [2020-10-16 13:51:36,568 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 164 transitions. Word has length 13 [2020-10-16 13:51:36,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:36,568 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 164 transitions. [2020-10-16 13:51:36,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 13:51:36,569 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2020-10-16 13:51:36,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 13:51:36,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:51:36,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:51:36,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 13:51:36,570 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:51:36,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:51:36,571 INFO L82 PathProgramCache]: Analyzing trace with hash -2118870046, now seen corresponding path program 1 times [2020-10-16 13:51:36,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:51:36,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172454361] [2020-10-16 13:51:36,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:51:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:51:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:51:36,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172454361] [2020-10-16 13:51:36,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:51:36,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 13:51:36,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1283662416] [2020-10-16 13:51:36,623 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:51:36,625 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:51:36,628 INFO L258 McrAutomatonBuilder]: Finished intersection with 20 states and 24 transitions. [2020-10-16 13:51:36,628 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:51:36,636 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:51:36,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 13:51:36,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:51:36,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 13:51:36,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:51:36,637 INFO L87 Difference]: Start difference. First operand 74 states and 164 transitions. Second operand 5 states. [2020-10-16 13:51:36,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:51:36,678 INFO L93 Difference]: Finished difference Result 62 states and 132 transitions. [2020-10-16 13:51:36,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 13:51:36,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-16 13:51:36,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:51:36,679 INFO L225 Difference]: With dead ends: 62 [2020-10-16 13:51:36,679 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 13:51:36,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-16 13:51:36,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 13:51:36,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 13:51:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 13:51:36,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 13:51:36,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-16 13:51:36,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:51:36,681 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 13:51:36,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 13:51:36,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 13:51:36,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 13:51:36,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 13:51:36,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:51:36 BasicIcfg [2020-10-16 13:51:36,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:51:36,688 INFO L168 Benchmark]: Toolchain (without parser) took 4330.45 ms. Allocated memory was 148.9 MB in the beginning and 246.4 MB in the end (delta: 97.5 MB). Free memory was 103.2 MB in the beginning and 151.2 MB in the end (delta: -48.0 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:36,688 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 13:51:36,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.76 ms. Allocated memory was 148.9 MB in the beginning and 206.6 MB in the end (delta: 57.7 MB). Free memory was 103.0 MB in the beginning and 163.5 MB in the end (delta: -60.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:36,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 206.6 MB. Free memory was 163.5 MB in the beginning and 160.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:36,691 INFO L168 Benchmark]: Boogie Preprocessor took 27.66 ms. Allocated memory is still 206.6 MB. Free memory was 160.9 MB in the beginning and 159.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:36,692 INFO L168 Benchmark]: RCFGBuilder took 451.35 ms. Allocated memory is still 206.6 MB. Free memory was 159.6 MB in the beginning and 136.9 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:36,693 INFO L168 Benchmark]: TraceAbstraction took 3132.89 ms. Allocated memory was 206.6 MB in the beginning and 246.4 MB in the end (delta: 39.8 MB). Free memory was 136.3 MB in the beginning and 151.2 MB in the end (delta: -14.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-10-16 13:51:36,697 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.76 ms. Allocated memory was 148.9 MB in the beginning and 206.6 MB in the end (delta: 57.7 MB). Free memory was 103.0 MB in the beginning and 163.5 MB in the end (delta: -60.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 206.6 MB. Free memory was 163.5 MB in the beginning and 160.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.66 ms. Allocated memory is still 206.6 MB. Free memory was 160.9 MB in the beginning and 159.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 451.35 ms. Allocated memory is still 206.6 MB. Free memory was 159.6 MB in the beginning and 136.9 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3132.89 ms. Allocated memory was 206.6 MB in the beginning and 246.4 MB in the end (delta: 39.8 MB). Free memory was 136.3 MB in the beginning and 151.2 MB in the end (delta: -14.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 676 VarBasedMoverChecksPositive, 20 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 46 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 79 PlacesBefore, 32 PlacesAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 2579 MoverChecksTotal - 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 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 151 SDtfs, 152 SDslu, 227 SDs, 0 SdLazy, 66 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2725 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...