/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:25:25,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:25:25,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:25:25,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:25:25,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:25:25,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:25:25,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:25:25,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:25:25,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:25:25,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:25:25,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:25:25,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:25:25,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:25:25,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:25:25,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:25:25,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:25:25,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:25:25,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:25:25,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:25:25,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:25:25,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:25:25,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:25:25,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:25:25,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:25:25,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 05:25:25,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:25:25,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:25:25,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:25:25,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:25:26,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:25:26,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:25:26,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:25:26,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:25:26,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:25:26,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:25:26,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:25:26,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-19 05:25:26,018 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:25:26,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:25:26,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:25:26,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:25:26,020 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:25:26,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:25:26,021 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:25:26,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:25:26,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:25:26,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:25:26,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:25:26,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:25:26,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:25:26,022 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:25:26,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:25:26,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:25:26,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:25:26,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:25:26,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:25:26,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:25:26,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:25:26,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:25:26,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:25:26,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:25:26,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:25:26,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:25:26,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:25:26,025 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:25:26,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:25:26,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:25:26,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:25:26,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:25:26,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:25:26,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:25:26,314 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:25:26,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_rmo.opt.i [2019-12-19 05:25:26,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b570220b/5a6e2e008299439c9637d8c48111849e/FLAGfea076a1c [2019-12-19 05:25:26,921 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:25:26,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_rmo.opt.i [2019-12-19 05:25:26,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b570220b/5a6e2e008299439c9637d8c48111849e/FLAGfea076a1c [2019-12-19 05:25:27,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b570220b/5a6e2e008299439c9637d8c48111849e [2019-12-19 05:25:27,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:25:27,227 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:25:27,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:25:27,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:25:27,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:25:27,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:25:27" (1/1) ... [2019-12-19 05:25:27,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67bfb380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:27, skipping insertion in model container [2019-12-19 05:25:27,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:25:27" (1/1) ... [2019-12-19 05:25:27,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:25:27,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:25:27,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:25:27,941 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:25:28,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:25:28,100 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:25:28,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28 WrapperNode [2019-12-19 05:25:28,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:25:28,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:25:28,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:25:28,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:25:28,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28" (1/1) ... [2019-12-19 05:25:28,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28" (1/1) ... [2019-12-19 05:25:28,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:25:28,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:25:28,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:25:28,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:25:28,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28" (1/1) ... [2019-12-19 05:25:28,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28" (1/1) ... [2019-12-19 05:25:28,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28" (1/1) ... [2019-12-19 05:25:28,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28" (1/1) ... [2019-12-19 05:25:28,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28" (1/1) ... [2019-12-19 05:25:28,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28" (1/1) ... [2019-12-19 05:25:28,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28" (1/1) ... [2019-12-19 05:25:28,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:25:28,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:25:28,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:25:28,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:25:28,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:25:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:25:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 05:25:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:25:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:25:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 05:25:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 05:25:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 05:25:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 05:25:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-19 05:25:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-19 05:25:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 05:25:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:25:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:25:28,313 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 05:25:29,068 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:25:29,068 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-19 05:25:29,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:25:29 BoogieIcfgContainer [2019-12-19 05:25:29,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:25:29,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:25:29,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:25:29,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:25:29,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:25:27" (1/3) ... [2019-12-19 05:25:29,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22822c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:25:29, skipping insertion in model container [2019-12-19 05:25:29,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:25:28" (2/3) ... [2019-12-19 05:25:29,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22822c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:25:29, skipping insertion in model container [2019-12-19 05:25:29,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:25:29" (3/3) ... [2019-12-19 05:25:29,080 INFO L109 eAbstractionObserver]: Analyzing ICFG safe031_rmo.opt.i [2019-12-19 05:25:29,090 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:25:29,090 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:25:29,098 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-19 05:25:29,099 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:25:29,138 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,138 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,138 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,139 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,139 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,140 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,141 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,141 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,142 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,142 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,142 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,142 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,143 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,143 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,148 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,149 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,149 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,149 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,150 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,150 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,150 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,150 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,151 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,152 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,152 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,152 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,152 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,153 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,153 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,153 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,153 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,154 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,154 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,154 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,154 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,155 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,157 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,157 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,157 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,158 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,159 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,159 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,162 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,162 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,162 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,163 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,163 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,163 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,163 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,163 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,164 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,164 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,164 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,165 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,165 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,165 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,165 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,166 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,166 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,166 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,166 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,167 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,167 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,167 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,167 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,168 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,168 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,168 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,168 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,169 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,172 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,173 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,173 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,173 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,174 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,174 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,174 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,174 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,175 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,175 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,175 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,175 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,178 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,178 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,179 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,179 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,181 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,181 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,182 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,182 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,182 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,182 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,183 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,183 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,183 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,183 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:25:29,198 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-19 05:25:29,215 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:25:29,215 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:25:29,215 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:25:29,215 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:25:29,216 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:25:29,216 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:25:29,216 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:25:29,216 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:25:29,233 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 162 places, 193 transitions [2019-12-19 05:25:42,201 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92465 states. [2019-12-19 05:25:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 92465 states. [2019-12-19 05:25:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-19 05:25:42,217 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:25:42,218 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:25:42,219 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:25:42,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:25:42,226 INFO L82 PathProgramCache]: Analyzing trace with hash 799143583, now seen corresponding path program 1 times [2019-12-19 05:25:42,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:25:42,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150675611] [2019-12-19 05:25:42,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:25:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:25:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:25:42,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150675611] [2019-12-19 05:25:42,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:25:42,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:25:42,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759375848] [2019-12-19 05:25:42,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:25:42,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:25:42,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:25:42,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:25:42,616 INFO L87 Difference]: Start difference. First operand 92465 states. Second operand 4 states. [2019-12-19 05:25:46,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:25:46,502 INFO L93 Difference]: Finished difference Result 96401 states and 448737 transitions. [2019-12-19 05:25:46,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-19 05:25:46,504 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-19 05:25:46,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:25:47,176 INFO L225 Difference]: With dead ends: 96401 [2019-12-19 05:25:47,177 INFO L226 Difference]: Without dead ends: 85521 [2019-12-19 05:25:47,181 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:25:47,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85521 states. [2019-12-19 05:25:50,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85521 to 85521. [2019-12-19 05:25:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85521 states. [2019-12-19 05:25:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85521 states to 85521 states and 400697 transitions. [2019-12-19 05:25:53,653 INFO L78 Accepts]: Start accepts. Automaton has 85521 states and 400697 transitions. Word has length 44 [2019-12-19 05:25:53,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:25:53,654 INFO L462 AbstractCegarLoop]: Abstraction has 85521 states and 400697 transitions. [2019-12-19 05:25:53,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:25:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 85521 states and 400697 transitions. [2019-12-19 05:25:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-19 05:25:53,667 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:25:53,667 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:25:53,668 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:25:53,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:25:53,668 INFO L82 PathProgramCache]: Analyzing trace with hash 727988385, now seen corresponding path program 1 times [2019-12-19 05:25:53,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:25:53,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003131378] [2019-12-19 05:25:53,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:25:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:25:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:25:53,793 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003131378] [2019-12-19 05:25:53,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:25:53,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:25:53,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610058370] [2019-12-19 05:25:53,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:25:53,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:25:53,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:25:53,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:25:53,800 INFO L87 Difference]: Start difference. First operand 85521 states and 400697 transitions. Second operand 5 states. [2019-12-19 05:25:58,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:25:58,953 INFO L93 Difference]: Finished difference Result 139649 states and 623533 transitions. [2019-12-19 05:25:58,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:25:58,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-19 05:25:58,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:25:59,777 INFO L225 Difference]: With dead ends: 139649 [2019-12-19 05:25:59,777 INFO L226 Difference]: Without dead ends: 138929 [2019-12-19 05:25:59,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:26:00,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138929 states. [2019-12-19 05:26:03,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138929 to 132785. [2019-12-19 05:26:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132785 states. [2019-12-19 05:26:09,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132785 states to 132785 states and 597161 transitions. [2019-12-19 05:26:09,971 INFO L78 Accepts]: Start accepts. Automaton has 132785 states and 597161 transitions. Word has length 51 [2019-12-19 05:26:09,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:26:09,972 INFO L462 AbstractCegarLoop]: Abstraction has 132785 states and 597161 transitions. [2019-12-19 05:26:09,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:26:09,972 INFO L276 IsEmpty]: Start isEmpty. Operand 132785 states and 597161 transitions. [2019-12-19 05:26:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-19 05:26:09,982 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:26:09,982 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:26:09,983 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:26:09,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:26:09,983 INFO L82 PathProgramCache]: Analyzing trace with hash 893608449, now seen corresponding path program 1 times [2019-12-19 05:26:09,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:26:09,984 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378069754] [2019-12-19 05:26:09,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:26:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:26:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:26:10,121 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378069754] [2019-12-19 05:26:10,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:26:10,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:26:10,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809411517] [2019-12-19 05:26:10,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:26:10,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:26:10,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:26:10,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:26:10,123 INFO L87 Difference]: Start difference. First operand 132785 states and 597161 transitions. Second operand 5 states. [2019-12-19 05:26:16,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:26:16,738 INFO L93 Difference]: Finished difference Result 161553 states and 717781 transitions. [2019-12-19 05:26:16,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:26:16,739 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-19 05:26:16,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:26:17,319 INFO L225 Difference]: With dead ends: 161553 [2019-12-19 05:26:17,319 INFO L226 Difference]: Without dead ends: 160753 [2019-12-19 05:26:17,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:26:18,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160753 states. [2019-12-19 05:26:20,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160753 to 139077. [2019-12-19 05:26:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139077 states. [2019-12-19 05:26:21,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139077 states to 139077 states and 623064 transitions. [2019-12-19 05:26:21,295 INFO L78 Accepts]: Start accepts. Automaton has 139077 states and 623064 transitions. Word has length 52 [2019-12-19 05:26:21,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:26:21,295 INFO L462 AbstractCegarLoop]: Abstraction has 139077 states and 623064 transitions. [2019-12-19 05:26:21,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:26:21,296 INFO L276 IsEmpty]: Start isEmpty. Operand 139077 states and 623064 transitions. [2019-12-19 05:26:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-19 05:26:21,332 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:26:21,332 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:26:21,332 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:26:21,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:26:21,332 INFO L82 PathProgramCache]: Analyzing trace with hash 472678915, now seen corresponding path program 1 times [2019-12-19 05:26:21,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:26:21,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128290645] [2019-12-19 05:26:21,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:26:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:26:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:26:21,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128290645] [2019-12-19 05:26:21,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:26:21,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:26:21,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529836461] [2019-12-19 05:26:21,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:26:21,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:26:21,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:26:21,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:26:21,439 INFO L87 Difference]: Start difference. First operand 139077 states and 623064 transitions. Second operand 6 states. [2019-12-19 05:26:24,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:26:24,301 INFO L93 Difference]: Finished difference Result 183581 states and 805090 transitions. [2019-12-19 05:26:24,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-19 05:26:24,302 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-19 05:26:24,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:26:31,740 INFO L225 Difference]: With dead ends: 183581 [2019-12-19 05:26:31,740 INFO L226 Difference]: Without dead ends: 182861 [2019-12-19 05:26:31,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-19 05:26:32,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182861 states. [2019-12-19 05:26:35,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182861 to 134929. [2019-12-19 05:26:35,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134929 states. [2019-12-19 05:26:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134929 states to 134929 states and 604573 transitions. [2019-12-19 05:26:35,863 INFO L78 Accepts]: Start accepts. Automaton has 134929 states and 604573 transitions. Word has length 59 [2019-12-19 05:26:35,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:26:35,863 INFO L462 AbstractCegarLoop]: Abstraction has 134929 states and 604573 transitions. [2019-12-19 05:26:35,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:26:35,864 INFO L276 IsEmpty]: Start isEmpty. Operand 134929 states and 604573 transitions. [2019-12-19 05:26:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-19 05:26:35,942 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:26:35,942 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:26:35,942 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:26:35,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:26:35,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1134933375, now seen corresponding path program 1 times [2019-12-19 05:26:35,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:26:35,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522545824] [2019-12-19 05:26:35,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:26:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:26:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:26:36,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522545824] [2019-12-19 05:26:36,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:26:36,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:26:36,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078065362] [2019-12-19 05:26:36,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:26:36,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:26:36,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:26:36,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:26:36,051 INFO L87 Difference]: Start difference. First operand 134929 states and 604573 transitions. Second operand 6 states. [2019-12-19 05:26:38,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:26:38,462 INFO L93 Difference]: Finished difference Result 185113 states and 812727 transitions. [2019-12-19 05:26:38,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-19 05:26:38,462 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-12-19 05:26:38,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:26:39,058 INFO L225 Difference]: With dead ends: 185113 [2019-12-19 05:26:39,058 INFO L226 Difference]: Without dead ends: 183913 [2019-12-19 05:26:39,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-19 05:26:46,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183913 states. [2019-12-19 05:26:49,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183913 to 160429. [2019-12-19 05:26:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160429 states. [2019-12-19 05:26:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160429 states to 160429 states and 711514 transitions. [2019-12-19 05:26:50,048 INFO L78 Accepts]: Start accepts. Automaton has 160429 states and 711514 transitions. Word has length 66 [2019-12-19 05:26:50,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:26:50,049 INFO L462 AbstractCegarLoop]: Abstraction has 160429 states and 711514 transitions. [2019-12-19 05:26:50,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:26:50,049 INFO L276 IsEmpty]: Start isEmpty. Operand 160429 states and 711514 transitions. [2019-12-19 05:26:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-19 05:26:50,151 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:26:50,151 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:26:50,151 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:26:50,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:26:50,151 INFO L82 PathProgramCache]: Analyzing trace with hash 770590772, now seen corresponding path program 1 times [2019-12-19 05:26:50,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:26:50,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766603694] [2019-12-19 05:26:50,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:26:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:26:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:26:50,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766603694] [2019-12-19 05:26:50,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:26:50,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-19 05:26:50,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068025333] [2019-12-19 05:26:50,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-19 05:26:50,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:26:50,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-19 05:26:50,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 05:26:50,204 INFO L87 Difference]: Start difference. First operand 160429 states and 711514 transitions. Second operand 3 states. [2019-12-19 05:26:52,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:26:52,428 INFO L93 Difference]: Finished difference Result 202237 states and 884074 transitions. [2019-12-19 05:26:52,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-19 05:26:52,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-12-19 05:26:52,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:27:00,648 INFO L225 Difference]: With dead ends: 202237 [2019-12-19 05:27:00,649 INFO L226 Difference]: Without dead ends: 202237 [2019-12-19 05:27:00,649 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 05:27:01,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202237 states. [2019-12-19 05:27:04,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202237 to 176149. [2019-12-19 05:27:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176149 states. [2019-12-19 05:27:06,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176149 states to 176149 states and 777056 transitions. [2019-12-19 05:27:06,285 INFO L78 Accepts]: Start accepts. Automaton has 176149 states and 777056 transitions. Word has length 68 [2019-12-19 05:27:06,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:27:06,285 INFO L462 AbstractCegarLoop]: Abstraction has 176149 states and 777056 transitions. [2019-12-19 05:27:06,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-19 05:27:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 176149 states and 777056 transitions. [2019-12-19 05:27:06,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-19 05:27:06,458 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:27:06,458 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:27:06,458 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:27:06,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:27:06,459 INFO L82 PathProgramCache]: Analyzing trace with hash -262866000, now seen corresponding path program 1 times [2019-12-19 05:27:06,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:27:06,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030371978] [2019-12-19 05:27:06,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:27:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:27:06,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:27:06,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030371978] [2019-12-19 05:27:06,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:27:06,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:27:06,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027304162] [2019-12-19 05:27:06,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:27:06,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:27:06,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:27:06,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:27:06,571 INFO L87 Difference]: Start difference. First operand 176149 states and 777056 transitions. Second operand 7 states. [2019-12-19 05:27:15,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:27:15,046 INFO L93 Difference]: Finished difference Result 224101 states and 971732 transitions. [2019-12-19 05:27:15,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 05:27:15,046 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-19 05:27:15,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:27:15,852 INFO L225 Difference]: With dead ends: 224101 [2019-12-19 05:27:15,852 INFO L226 Difference]: Without dead ends: 222901 [2019-12-19 05:27:15,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-19 05:27:17,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222901 states. [2019-12-19 05:27:21,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222901 to 180725. [2019-12-19 05:27:21,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180725 states. [2019-12-19 05:27:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180725 states to 180725 states and 796148 transitions. [2019-12-19 05:27:22,174 INFO L78 Accepts]: Start accepts. Automaton has 180725 states and 796148 transitions. Word has length 72 [2019-12-19 05:27:22,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:27:22,174 INFO L462 AbstractCegarLoop]: Abstraction has 180725 states and 796148 transitions. [2019-12-19 05:27:22,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:27:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 180725 states and 796148 transitions. [2019-12-19 05:27:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-19 05:27:22,325 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:27:22,325 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:27:22,325 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:27:22,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:27:22,326 INFO L82 PathProgramCache]: Analyzing trace with hash 2144184833, now seen corresponding path program 1 times [2019-12-19 05:27:22,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:27:22,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079542595] [2019-12-19 05:27:22,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:27:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:27:22,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:27:22,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079542595] [2019-12-19 05:27:22,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:27:22,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:27:22,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947473710] [2019-12-19 05:27:22,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:27:22,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:27:22,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:27:22,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:27:22,430 INFO L87 Difference]: Start difference. First operand 180725 states and 796148 transitions. Second operand 7 states. [2019-12-19 05:27:26,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:27:26,097 INFO L93 Difference]: Finished difference Result 220861 states and 957730 transitions. [2019-12-19 05:27:26,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 05:27:26,098 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-12-19 05:27:26,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:27:34,826 INFO L225 Difference]: With dead ends: 220861 [2019-12-19 05:27:34,826 INFO L226 Difference]: Without dead ends: 219861 [2019-12-19 05:27:34,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-19 05:27:35,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219861 states. [2019-12-19 05:27:39,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219861 to 184237. [2019-12-19 05:27:39,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184237 states. [2019-12-19 05:27:40,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184237 states to 184237 states and 810266 transitions. [2019-12-19 05:27:40,775 INFO L78 Accepts]: Start accepts. Automaton has 184237 states and 810266 transitions. Word has length 73 [2019-12-19 05:27:40,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:27:40,776 INFO L462 AbstractCegarLoop]: Abstraction has 184237 states and 810266 transitions. [2019-12-19 05:27:40,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:27:40,776 INFO L276 IsEmpty]: Start isEmpty. Operand 184237 states and 810266 transitions. [2019-12-19 05:27:40,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 05:27:40,961 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:27:40,961 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:27:40,961 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:27:40,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:27:40,961 INFO L82 PathProgramCache]: Analyzing trace with hash 698442490, now seen corresponding path program 1 times [2019-12-19 05:27:40,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:27:40,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278931313] [2019-12-19 05:27:40,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:27:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:27:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:27:41,109 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278931313] [2019-12-19 05:27:41,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:27:41,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:27:41,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373552211] [2019-12-19 05:27:41,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:27:41,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:27:41,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:27:41,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:27:41,114 INFO L87 Difference]: Start difference. First operand 184237 states and 810266 transitions. Second operand 6 states. [2019-12-19 05:27:48,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:27:48,813 INFO L93 Difference]: Finished difference Result 262765 states and 1148126 transitions. [2019-12-19 05:27:48,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:27:48,814 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2019-12-19 05:27:48,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:27:50,515 INFO L225 Difference]: With dead ends: 262765 [2019-12-19 05:27:50,515 INFO L226 Difference]: Without dead ends: 260189 [2019-12-19 05:27:50,516 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:27:51,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260189 states. [2019-12-19 05:28:01,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260189 to 224437. [2019-12-19 05:28:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224437 states. [2019-12-19 05:28:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224437 states to 224437 states and 986536 transitions. [2019-12-19 05:28:03,596 INFO L78 Accepts]: Start accepts. Automaton has 224437 states and 986536 transitions. Word has length 75 [2019-12-19 05:28:03,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:28:03,597 INFO L462 AbstractCegarLoop]: Abstraction has 224437 states and 986536 transitions. [2019-12-19 05:28:03,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:28:03,597 INFO L276 IsEmpty]: Start isEmpty. Operand 224437 states and 986536 transitions. [2019-12-19 05:28:03,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 05:28:03,849 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:28:03,849 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:28:03,849 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:28:03,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:28:03,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1660056507, now seen corresponding path program 1 times [2019-12-19 05:28:03,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:28:03,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550888494] [2019-12-19 05:28:03,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:28:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:28:03,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:28:03,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550888494] [2019-12-19 05:28:03,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:28:03,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:28:03,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569094505] [2019-12-19 05:28:03,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:28:03,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:28:03,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:28:03,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:28:03,976 INFO L87 Difference]: Start difference. First operand 224437 states and 986536 transitions. Second operand 7 states. [2019-12-19 05:28:13,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:28:13,308 INFO L93 Difference]: Finished difference Result 332389 states and 1421212 transitions. [2019-12-19 05:28:13,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-19 05:28:13,308 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-12-19 05:28:13,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:28:15,261 INFO L225 Difference]: With dead ends: 332389 [2019-12-19 05:28:15,262 INFO L226 Difference]: Without dead ends: 332389 [2019-12-19 05:28:15,262 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-12-19 05:28:16,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332389 states. [2019-12-19 05:28:23,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332389 to 304585. [2019-12-19 05:28:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304585 states. Received shutdown request... [2019-12-19 05:28:35,804 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-19 05:28:35,812 WARN L227 ceAbstractionStarter]: Timeout [2019-12-19 05:28:35,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:28:35 BasicIcfg [2019-12-19 05:28:35,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:28:35,814 INFO L168 Benchmark]: Toolchain (without parser) took 188587.56 ms. Allocated memory was 137.4 MB in the beginning and 6.1 GB in the end (delta: 6.0 GB). Free memory was 100.8 MB in the beginning and 3.0 GB in the end (delta: -2.9 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. [2019-12-19 05:28:35,815 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-19 05:28:35,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 873.37 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 155.0 MB in the end (delta: -54.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-12-19 05:28:35,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.57 ms. Allocated memory is still 201.3 MB. Free memory was 155.0 MB in the beginning and 152.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-12-19 05:28:35,818 INFO L168 Benchmark]: Boogie Preprocessor took 44.79 ms. Allocated memory is still 201.3 MB. Free memory was 152.2 MB in the beginning and 149.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-12-19 05:28:35,818 INFO L168 Benchmark]: RCFGBuilder took 837.21 ms. Allocated memory is still 201.3 MB. Free memory was 149.4 MB in the beginning and 103.0 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2019-12-19 05:28:35,819 INFO L168 Benchmark]: TraceAbstraction took 186741.31 ms. Allocated memory was 201.3 MB in the beginning and 6.1 GB in the end (delta: 5.9 GB). Free memory was 103.0 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. [2019-12-19 05:28:35,823 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 873.37 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 155.0 MB in the end (delta: -54.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 85.57 ms. Allocated memory is still 201.3 MB. Free memory was 155.0 MB in the beginning and 152.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.79 ms. Allocated memory is still 201.3 MB. Free memory was 152.2 MB in the beginning and 149.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 837.21 ms. Allocated memory is still 201.3 MB. Free memory was 149.4 MB in the beginning and 103.0 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 186741.31 ms. Allocated memory was 201.3 MB in the beginning and 6.1 GB in the end (delta: 5.9 GB). Free memory was 103.0 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while ReachableStatesComputation was computing reachable states (141652 states constructedinput type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while ReachableStatesComputation was computing reachable states (141652 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 153 locations, 2 error locations. Result: TIMEOUT, OverallTime: 186.5s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 83.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3510 SDtfs, 4232 SDslu, 8656 SDs, 0 SdLazy, 3743 SolverSat, 295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224437occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 87.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 238876 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 91511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown