/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe025_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 05:09:29,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 05:09:29,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 05:09:29,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 05:09:29,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 05:09:29,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 05:09:29,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 05:09:29,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 05:09:29,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 05:09:29,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 05:09:29,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 05:09:29,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 05:09:29,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 05:09:29,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 05:09:29,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 05:09:29,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 05:09:29,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 05:09:29,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 05:09:29,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 05:09:29,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 05:09:29,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 05:09:29,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 05:09:29,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 05:09:29,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 05:09:29,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-28 05:09:29,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 05:09:29,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 05:09:29,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 05:09:29,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 05:09:29,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 05:09:29,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 05:09:29,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 05:09:29,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 05:09:29,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 05:09:29,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 05:09:29,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 05:09:29,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 05:09:29,185 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 05:09:29,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 05:09:29,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 05:09:29,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 05:09:29,187 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 05:09:29,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 05:09:29,188 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 05:09:29,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 05:09:29,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 05:09:29,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 05:09:29,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 05:09:29,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 05:09:29,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 05:09:29,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 05:09:29,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 05:09:29,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 05:09:29,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 05:09:29,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 05:09:29,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 05:09:29,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 05:09:29,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 05:09:29,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 05:09:29,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 05:09:29,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 05:09:29,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 05:09:29,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 05:09:29,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 05:09:29,192 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 05:09:29,192 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 05:09:29,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 05:09:29,192 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 05:09:29,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 05:09:29,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 05:09:29,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 05:09:29,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 05:09:29,516 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 05:09:29,516 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 05:09:29,517 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_tso.opt.i [2019-12-28 05:09:29,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17423771a/e88f126f82664e95a2a262ffc0b2b894/FLAG3674aea85 [2019-12-28 05:09:30,105 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 05:09:30,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_tso.opt.i [2019-12-28 05:09:30,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17423771a/e88f126f82664e95a2a262ffc0b2b894/FLAG3674aea85 [2019-12-28 05:09:30,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17423771a/e88f126f82664e95a2a262ffc0b2b894 [2019-12-28 05:09:30,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 05:09:30,435 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 05:09:30,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 05:09:30,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 05:09:30,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 05:09:30,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:09:30" (1/1) ... [2019-12-28 05:09:30,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3925f476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:30, skipping insertion in model container [2019-12-28 05:09:30,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:09:30" (1/1) ... [2019-12-28 05:09:30,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 05:09:30,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 05:09:31,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:09:31,020 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 05:09:31,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 05:09:31,176 INFO L208 MainTranslator]: Completed translation [2019-12-28 05:09:31,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31 WrapperNode [2019-12-28 05:09:31,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 05:09:31,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 05:09:31,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 05:09:31,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 05:09:31,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31" (1/1) ... [2019-12-28 05:09:31,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31" (1/1) ... [2019-12-28 05:09:31,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 05:09:31,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 05:09:31,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 05:09:31,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 05:09:31,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31" (1/1) ... [2019-12-28 05:09:31,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31" (1/1) ... [2019-12-28 05:09:31,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31" (1/1) ... [2019-12-28 05:09:31,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31" (1/1) ... [2019-12-28 05:09:31,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31" (1/1) ... [2019-12-28 05:09:31,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31" (1/1) ... [2019-12-28 05:09:31,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31" (1/1) ... [2019-12-28 05:09:31,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 05:09:31,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 05:09:31,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 05:09:31,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 05:09:31,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31" (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 [2019-12-28 05:09:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 05:09:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 05:09:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 05:09:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 05:09:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 05:09:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 05:09:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 05:09:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 05:09:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 05:09:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 05:09:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 05:09:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 05:09:31,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 05:09:31,341 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 05:09:31,756 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 05:09:31,757 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 05:09:31,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:09:31 BoogieIcfgContainer [2019-12-28 05:09:31,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 05:09:31,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 05:09:31,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 05:09:31,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 05:09:31,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:09:30" (1/3) ... [2019-12-28 05:09:31,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37808268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:09:31, skipping insertion in model container [2019-12-28 05:09:31,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:09:31" (2/3) ... [2019-12-28 05:09:31,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37808268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:09:31, skipping insertion in model container [2019-12-28 05:09:31,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:09:31" (3/3) ... [2019-12-28 05:09:31,767 INFO L109 eAbstractionObserver]: Analyzing ICFG safe025_tso.opt.i [2019-12-28 05:09:31,775 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 05:09:31,775 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 05:09:31,785 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 05:09:31,786 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 05:09:31,819 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,819 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,819 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,820 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,820 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,820 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,821 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,821 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,821 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,825 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,825 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,825 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,826 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,826 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,826 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,827 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,827 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,827 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,832 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,833 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,833 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,833 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,850 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,851 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,851 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,851 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,854 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,855 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,855 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,855 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 05:09:31,869 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 05:09:31,887 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 05:09:31,887 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 05:09:31,887 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 05:09:31,887 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 05:09:31,887 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 05:09:31,888 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 05:09:31,888 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 05:09:31,888 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 05:09:31,900 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 54 transitions [2019-12-28 05:09:31,991 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-12-28 05:09:31,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-12-28 05:09:32,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 05:09:32,021 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:09:32,022 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] [2019-12-28 05:09:32,022 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:09:32,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:09:32,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2051529162, now seen corresponding path program 1 times [2019-12-28 05:09:32,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:09:32,041 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115932689] [2019-12-28 05:09:32,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:09:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:09:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:09:32,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115932689] [2019-12-28 05:09:32,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:09:32,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 05:09:32,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [381137407] [2019-12-28 05:09:32,422 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:09:32,431 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:09:32,453 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 31 transitions. [2019-12-28 05:09:32,454 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:09:32,458 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:09:32,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 05:09:32,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:09:32,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 05:09:32,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 05:09:32,477 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-12-28 05:09:32,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:09:32,624 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-12-28 05:09:32,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 05:09:32,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-28 05:09:32,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:09:32,658 INFO L225 Difference]: With dead ends: 1295 [2019-12-28 05:09:32,658 INFO L226 Difference]: Without dead ends: 601 [2019-12-28 05:09:32,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:09:32,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-12-28 05:09:32,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-12-28 05:09:32,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-12-28 05:09:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-12-28 05:09:32,765 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-12-28 05:09:32,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:09:32,766 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-12-28 05:09:32,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 05:09:32,766 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-12-28 05:09:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 05:09:32,769 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:09:32,769 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] [2019-12-28 05:09:32,769 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:09:32,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:09:32,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1995748591, now seen corresponding path program 1 times [2019-12-28 05:09:32,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:09:32,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284169632] [2019-12-28 05:09:32,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:09:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:09:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:09:32,946 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284169632] [2019-12-28 05:09:32,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:09:32,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 05:09:32,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [573526477] [2019-12-28 05:09:32,947 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:09:32,953 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:09:32,958 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 37 states and 40 transitions. [2019-12-28 05:09:32,958 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:09:32,960 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:09:32,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 05:09:32,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:09:32,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 05:09:32,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 05:09:32,970 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-12-28 05:09:33,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:09:33,070 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-12-28 05:09:33,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 05:09:33,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-28 05:09:33,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:09:33,079 INFO L225 Difference]: With dead ends: 601 [2019-12-28 05:09:33,080 INFO L226 Difference]: Without dead ends: 538 [2019-12-28 05:09:33,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:09:33,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-28 05:09:33,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-12-28 05:09:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-28 05:09:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-12-28 05:09:33,137 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-12-28 05:09:33,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:09:33,138 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-12-28 05:09:33,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 05:09:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-12-28 05:09:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 05:09:33,140 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:09:33,140 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] [2019-12-28 05:09:33,141 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:09:33,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:09:33,141 INFO L82 PathProgramCache]: Analyzing trace with hash -505047863, now seen corresponding path program 1 times [2019-12-28 05:09:33,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:09:33,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720083096] [2019-12-28 05:09:33,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:09:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:09:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:09:33,319 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720083096] [2019-12-28 05:09:33,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:09:33,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 05:09:33,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1061025497] [2019-12-28 05:09:33,320 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:09:33,323 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:09:33,328 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 41 transitions. [2019-12-28 05:09:33,329 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:09:33,329 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:09:33,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 05:09:33,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:09:33,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 05:09:33,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 05:09:33,330 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-12-28 05:09:33,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:09:33,423 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-12-28 05:09:33,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:09:33,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-28 05:09:33,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:09:33,427 INFO L225 Difference]: With dead ends: 403 [2019-12-28 05:09:33,427 INFO L226 Difference]: Without dead ends: 349 [2019-12-28 05:09:33,428 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-28 05:09:33,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-28 05:09:33,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-12-28 05:09:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-12-28 05:09:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-12-28 05:09:33,443 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-12-28 05:09:33,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:09:33,443 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-12-28 05:09:33,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 05:09:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-12-28 05:09:33,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 05:09:33,445 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:09:33,445 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] [2019-12-28 05:09:33,445 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:09:33,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:09:33,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1707713269, now seen corresponding path program 1 times [2019-12-28 05:09:33,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:09:33,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734130530] [2019-12-28 05:09:33,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:09:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:09:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:09:33,610 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734130530] [2019-12-28 05:09:33,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:09:33,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:09:33,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1507286554] [2019-12-28 05:09:33,611 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:09:33,617 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:09:33,626 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 39 states and 42 transitions. [2019-12-28 05:09:33,627 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:09:33,627 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:09:33,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 05:09:33,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:09:33,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 05:09:33,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 05:09:33,629 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 7 states. [2019-12-28 05:09:33,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:09:33,975 INFO L93 Difference]: Finished difference Result 565 states and 1500 transitions. [2019-12-28 05:09:33,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 05:09:33,976 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-12-28 05:09:33,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:09:33,979 INFO L225 Difference]: With dead ends: 565 [2019-12-28 05:09:33,980 INFO L226 Difference]: Without dead ends: 394 [2019-12-28 05:09:33,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-28 05:09:33,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-12-28 05:09:33,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 340. [2019-12-28 05:09:33,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-12-28 05:09:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 888 transitions. [2019-12-28 05:09:33,995 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 888 transitions. Word has length 34 [2019-12-28 05:09:33,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:09:33,995 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 888 transitions. [2019-12-28 05:09:33,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 05:09:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 888 transitions. [2019-12-28 05:09:33,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 05:09:33,997 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:09:33,997 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] [2019-12-28 05:09:33,997 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:09:33,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:09:33,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1534465577, now seen corresponding path program 2 times [2019-12-28 05:09:33,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:09:33,999 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708215486] [2019-12-28 05:09:33,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:09:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:09:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:09:34,189 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708215486] [2019-12-28 05:09:34,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:09:34,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 05:09:34,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1576463130] [2019-12-28 05:09:34,190 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:09:34,193 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:09:34,200 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 43 states and 50 transitions. [2019-12-28 05:09:34,204 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:09:34,332 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 05:09:34,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 05:09:34,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:09:34,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 05:09:34,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-28 05:09:34,333 INFO L87 Difference]: Start difference. First operand 340 states and 888 transitions. Second operand 9 states. [2019-12-28 05:09:34,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:09:34,494 INFO L93 Difference]: Finished difference Result 556 states and 1473 transitions. [2019-12-28 05:09:34,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 05:09:34,495 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2019-12-28 05:09:34,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:09:34,498 INFO L225 Difference]: With dead ends: 556 [2019-12-28 05:09:34,498 INFO L226 Difference]: Without dead ends: 334 [2019-12-28 05:09:34,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-12-28 05:09:34,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-12-28 05:09:34,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 325. [2019-12-28 05:09:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-12-28 05:09:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 846 transitions. [2019-12-28 05:09:34,511 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 846 transitions. Word has length 34 [2019-12-28 05:09:34,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:09:34,511 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 846 transitions. [2019-12-28 05:09:34,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-28 05:09:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 846 transitions. [2019-12-28 05:09:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 05:09:34,513 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:09:34,513 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] [2019-12-28 05:09:34,513 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:09:34,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:09:34,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1612310977, now seen corresponding path program 3 times [2019-12-28 05:09:34,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:09:34,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241784139] [2019-12-28 05:09:34,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:09:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:09:34,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:09:34,696 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241784139] [2019-12-28 05:09:34,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:09:34,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 05:09:34,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1968093970] [2019-12-28 05:09:34,697 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:09:34,703 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:09:34,707 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 35 states and 34 transitions. [2019-12-28 05:09:34,708 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:09:34,709 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 05:09:34,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 05:09:34,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:09:34,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 05:09:34,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-28 05:09:34,710 INFO L87 Difference]: Start difference. First operand 325 states and 846 transitions. Second operand 8 states. [2019-12-28 05:09:34,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:09:34,819 INFO L93 Difference]: Finished difference Result 487 states and 1305 transitions. [2019-12-28 05:09:34,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:09:34,820 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-28 05:09:34,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:09:34,822 INFO L225 Difference]: With dead ends: 487 [2019-12-28 05:09:34,823 INFO L226 Difference]: Without dead ends: 313 [2019-12-28 05:09:34,823 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-12-28 05:09:34,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-12-28 05:09:34,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2019-12-28 05:09:34,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-12-28 05:09:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 816 transitions. [2019-12-28 05:09:34,835 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 816 transitions. Word has length 34 [2019-12-28 05:09:34,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:09:34,835 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 816 transitions. [2019-12-28 05:09:34,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 05:09:34,836 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 816 transitions. [2019-12-28 05:09:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 05:09:34,837 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 05:09:34,837 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] [2019-12-28 05:09:34,837 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 05:09:34,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 05:09:34,837 INFO L82 PathProgramCache]: Analyzing trace with hash -627162331, now seen corresponding path program 4 times [2019-12-28 05:09:34,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 05:09:34,838 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972409086] [2019-12-28 05:09:34,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 05:09:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 05:09:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 05:09:34,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972409086] [2019-12-28 05:09:34,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 05:09:34,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 05:09:34,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [305361969] [2019-12-28 05:09:34,986 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 05:09:34,992 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 05:09:35,002 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 47 states and 58 transitions. [2019-12-28 05:09:35,003 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 05:09:35,172 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2019-12-28 05:09:35,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 05:09:35,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 05:09:35,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 05:09:35,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-28 05:09:35,177 INFO L87 Difference]: Start difference. First operand 313 states and 816 transitions. Second operand 9 states. [2019-12-28 05:09:35,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 05:09:35,348 INFO L93 Difference]: Finished difference Result 259 states and 654 transitions. [2019-12-28 05:09:35,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 05:09:35,348 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2019-12-28 05:09:35,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 05:09:35,349 INFO L225 Difference]: With dead ends: 259 [2019-12-28 05:09:35,349 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 05:09:35,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-12-28 05:09:35,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 05:09:35,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 05:09:35,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 05:09:35,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 05:09:35,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-12-28 05:09:35,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 05:09:35,351 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 05:09:35,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-28 05:09:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 05:09:35,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 05:09:35,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 05:09:35 BasicIcfg [2019-12-28 05:09:35,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 05:09:35,364 INFO L168 Benchmark]: Toolchain (without parser) took 4927.18 ms. Allocated memory was 136.3 MB in the beginning and 253.8 MB in the end (delta: 117.4 MB). Free memory was 99.0 MB in the beginning and 197.1 MB in the end (delta: -98.1 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-12-28 05:09:35,372 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-28 05:09:35,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.96 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 157.9 MB in the end (delta: -59.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-12-28 05:09:35,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.90 ms. Allocated memory is still 200.8 MB. Free memory was 157.9 MB in the beginning and 155.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 05:09:35,376 INFO L168 Benchmark]: Boogie Preprocessor took 32.12 ms. Allocated memory is still 200.8 MB. Free memory was 155.9 MB in the beginning and 153.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 05:09:35,377 INFO L168 Benchmark]: RCFGBuilder took 484.59 ms. Allocated memory is still 200.8 MB. Free memory was 153.8 MB in the beginning and 133.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-12-28 05:09:35,382 INFO L168 Benchmark]: TraceAbstraction took 3599.72 ms. Allocated memory was 200.8 MB in the beginning and 253.8 MB in the end (delta: 53.0 MB). Free memory was 133.1 MB in the beginning and 197.1 MB in the end (delta: -64.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-28 05:09:35,393 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.96 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 157.9 MB in the end (delta: -59.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.90 ms. Allocated memory is still 200.8 MB. Free memory was 157.9 MB in the beginning and 155.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.12 ms. Allocated memory is still 200.8 MB. Free memory was 155.9 MB in the beginning and 153.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 484.59 ms. Allocated memory is still 200.8 MB. Free memory was 153.8 MB in the beginning and 133.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3599.72 ms. Allocated memory was 200.8 MB in the beginning and 253.8 MB in the end (delta: 53.0 MB). Free memory was 133.1 MB in the beginning and 197.1 MB in the end (delta: -64.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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, 54 locations, 1 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 375 SDtfs, 458 SDslu, 1149 SDs, 0 SdLazy, 199 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 63 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 21969 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...