/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-VariableLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 22:33:03,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 22:33:03,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 22:33:03,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 22:33:03,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 22:33:03,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 22:33:03,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 22:33:03,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 22:33:03,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 22:33:03,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 22:33:03,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 22:33:03,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 22:33:03,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 22:33:03,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 22:33:03,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 22:33:03,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 22:33:03,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 22:33:03,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 22:33:03,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 22:33:03,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 22:33:03,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 22:33:03,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 22:33:03,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 22:33:03,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 22:33:03,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 22:33:03,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 22:33:03,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 22:33:03,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 22:33:03,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 22:33:03,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 22:33:03,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 22:33:03,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 22:33:03,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 22:33:03,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 22:33:03,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 22:33:03,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 22:33:03,196 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-VariableLbe-MCR.epf [2019-12-27 22:33:03,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 22:33:03,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 22:33:03,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 22:33:03,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 22:33:03,220 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 22:33:03,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 22:33:03,221 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 22:33:03,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 22:33:03,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 22:33:03,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 22:33:03,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 22:33:03,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 22:33:03,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 22:33:03,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 22:33:03,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 22:33:03,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 22:33:03,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 22:33:03,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 22:33:03,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 22:33:03,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 22:33:03,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 22:33:03,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 22:33:03,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 22:33:03,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 22:33:03,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 22:33:03,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 22:33:03,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 22:33:03,226 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 22:33:03,227 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 22:33:03,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 22:33:03,228 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 22:33:03,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 22:33:03,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 22:33:03,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 22:33:03,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 22:33:03,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 22:33:03,556 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 22:33:03,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i [2019-12-27 22:33:03,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db1c65d0/8909abecf48d4eee81bff4d68b112c3b/FLAG5ea0837ab [2019-12-27 22:33:04,141 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 22:33:04,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i [2019-12-27 22:33:04,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db1c65d0/8909abecf48d4eee81bff4d68b112c3b/FLAG5ea0837ab [2019-12-27 22:33:04,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db1c65d0/8909abecf48d4eee81bff4d68b112c3b [2019-12-27 22:33:04,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 22:33:04,452 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 22:33:04,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 22:33:04,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 22:33:04,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 22:33:04,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:33:04" (1/1) ... [2019-12-27 22:33:04,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207c4241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:04, skipping insertion in model container [2019-12-27 22:33:04,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:33:04" (1/1) ... [2019-12-27 22:33:04,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 22:33:04,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 22:33:04,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:33:04,985 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 22:33:05,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:33:05,123 INFO L208 MainTranslator]: Completed translation [2019-12-27 22:33:05,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05 WrapperNode [2019-12-27 22:33:05,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 22:33:05,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 22:33:05,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 22:33:05,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 22:33:05,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05" (1/1) ... [2019-12-27 22:33:05,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05" (1/1) ... [2019-12-27 22:33:05,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 22:33:05,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 22:33:05,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 22:33:05,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 22:33:05,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05" (1/1) ... [2019-12-27 22:33:05,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05" (1/1) ... [2019-12-27 22:33:05,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05" (1/1) ... [2019-12-27 22:33:05,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05" (1/1) ... [2019-12-27 22:33:05,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05" (1/1) ... [2019-12-27 22:33:05,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05" (1/1) ... [2019-12-27 22:33:05,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05" (1/1) ... [2019-12-27 22:33:05,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 22:33:05,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 22:33:05,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 22:33:05,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 22:33:05,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 22:33:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 22:33:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 22:33:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 22:33:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 22:33:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 22:33:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 22:33:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 22:33:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 22:33:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 22:33:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 22:33:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-27 22:33:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-27 22:33:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 22:33:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 22:33:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 22:33:05,274 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 22:33:05,650 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 22:33:05,650 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 22:33:05,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:33:05 BoogieIcfgContainer [2019-12-27 22:33:05,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 22:33:05,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 22:33:05,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 22:33:05,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 22:33:05,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 10:33:04" (1/3) ... [2019-12-27 22:33:05,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e7ed9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:33:05, skipping insertion in model container [2019-12-27 22:33:05,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:33:05" (2/3) ... [2019-12-27 22:33:05,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e7ed9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:33:05, skipping insertion in model container [2019-12-27 22:33:05,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:33:05" (3/3) ... [2019-12-27 22:33:05,661 INFO L109 eAbstractionObserver]: Analyzing ICFG safe016_tso.oepc.i [2019-12-27 22:33:05,671 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 22:33:05,672 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 22:33:05,680 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 22:33:05,681 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 22:33:05,722 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,722 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,723 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,723 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,724 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,724 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,724 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,725 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,725 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,725 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,726 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,726 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,726 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,727 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,727 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,727 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,727 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,728 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,728 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,728 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,729 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,729 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,729 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,730 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,736 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,737 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,737 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,737 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,750 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,750 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,751 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,751 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,757 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,757 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,757 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,758 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,765 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,765 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,766 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,766 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:33:05,784 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 22:33:05,808 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 22:33:05,809 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 22:33:05,809 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 22:33:05,809 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 22:33:05,809 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 22:33:05,809 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 22:33:05,810 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 22:33:05,810 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 22:33:05,823 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 63 transitions [2019-12-27 22:33:05,825 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-27 22:33:05,872 INFO L132 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-27 22:33:05,872 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:33:05,879 INFO L76 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 0/57 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 22:33:05,883 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-27 22:33:05,907 INFO L132 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-27 22:33:05,907 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:33:05,909 INFO L76 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 0/57 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 22:33:05,911 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-27 22:33:05,912 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 22:33:07,681 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-12-27 22:33:07,728 INFO L206 etLargeBlockEncoding]: Checked pairs total: 749 [2019-12-27 22:33:07,729 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-27 22:33:07,732 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-27 22:33:07,747 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-27 22:33:07,749 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-27 22:33:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 22:33:07,760 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:33:07,761 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:33:07,762 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:33:07,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:33:07,771 INFO L82 PathProgramCache]: Analyzing trace with hash 364087523, now seen corresponding path program 1 times [2019-12-27 22:33:07,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:33:07,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016590880] [2019-12-27 22:33:07,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:33:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:33:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:33:08,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016590880] [2019-12-27 22:33:08,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:33:08,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 22:33:08,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1552142655] [2019-12-27 22:33:08,109 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:33:08,116 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:33:08,132 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 22:33:08,133 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:33:08,136 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:33:08,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:33:08,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:33:08,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:33:08,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:33:08,149 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-27 22:33:08,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:33:08,186 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-27 22:33:08,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:33:08,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 22:33:08,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:33:08,201 INFO L225 Difference]: With dead ends: 86 [2019-12-27 22:33:08,204 INFO L226 Difference]: Without dead ends: 70 [2019-12-27 22:33:08,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:33:08,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-27 22:33:08,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-27 22:33:08,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-27 22:33:08,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-27 22:33:08,279 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-27 22:33:08,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:33:08,280 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-27 22:33:08,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:33:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-27 22:33:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 22:33:08,282 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:33:08,283 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:33:08,283 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:33:08,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:33:08,283 INFO L82 PathProgramCache]: Analyzing trace with hash -662886856, now seen corresponding path program 1 times [2019-12-27 22:33:08,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:33:08,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027319562] [2019-12-27 22:33:08,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:33:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:33:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:33:08,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027319562] [2019-12-27 22:33:08,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:33:08,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:33:08,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1498167491] [2019-12-27 22:33:08,381 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:33:08,384 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:33:08,390 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 18 states and 23 transitions. [2019-12-27 22:33:08,391 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:33:08,439 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 22:33:08,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 22:33:08,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:33:08,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 22:33:08,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:33:08,441 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 5 states. [2019-12-27 22:33:08,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:33:08,478 INFO L93 Difference]: Finished difference Result 84 states and 183 transitions. [2019-12-27 22:33:08,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 22:33:08,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-12-27 22:33:08,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:33:08,481 INFO L225 Difference]: With dead ends: 84 [2019-12-27 22:33:08,481 INFO L226 Difference]: Without dead ends: 54 [2019-12-27 22:33:08,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 22:33:08,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-27 22:33:08,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-27 22:33:08,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-27 22:33:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 113 transitions. [2019-12-27 22:33:08,490 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 113 transitions. Word has length 11 [2019-12-27 22:33:08,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:33:08,491 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 113 transitions. [2019-12-27 22:33:08,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 22:33:08,491 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2019-12-27 22:33:08,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 22:33:08,492 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:33:08,492 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:33:08,492 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:33:08,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:33:08,493 INFO L82 PathProgramCache]: Analyzing trace with hash 2027029566, now seen corresponding path program 1 times [2019-12-27 22:33:08,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:33:08,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180363347] [2019-12-27 22:33:08,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:33:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:33:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:33:08,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180363347] [2019-12-27 22:33:08,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:33:08,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 22:33:08,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2091141112] [2019-12-27 22:33:08,570 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:33:08,574 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:33:08,577 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 17 states and 20 transitions. [2019-12-27 22:33:08,577 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:33:08,607 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 22:33:08,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 22:33:08,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:33:08,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 22:33:08,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 22:33:08,609 INFO L87 Difference]: Start difference. First operand 54 states and 113 transitions. Second operand 6 states. [2019-12-27 22:33:08,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:33:08,681 INFO L93 Difference]: Finished difference Result 70 states and 129 transitions. [2019-12-27 22:33:08,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 22:33:08,681 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-12-27 22:33:08,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:33:08,682 INFO L225 Difference]: With dead ends: 70 [2019-12-27 22:33:08,682 INFO L226 Difference]: Without dead ends: 46 [2019-12-27 22:33:08,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-27 22:33:08,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-27 22:33:08,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2019-12-27 22:33:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-27 22:33:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2019-12-27 22:33:08,688 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 12 [2019-12-27 22:33:08,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:33:08,689 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2019-12-27 22:33:08,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 22:33:08,689 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2019-12-27 22:33:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 22:33:08,690 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:33:08,690 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:33:08,690 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:33:08,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:33:08,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1995753728, now seen corresponding path program 1 times [2019-12-27 22:33:08,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:33:08,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566266540] [2019-12-27 22:33:08,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:33:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:33:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:33:08,762 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566266540] [2019-12-27 22:33:08,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:33:08,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 22:33:08,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [650519417] [2019-12-27 22:33:08,763 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:33:08,764 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:33:08,766 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 13 states and 12 transitions. [2019-12-27 22:33:08,767 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:33:08,767 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:33:08,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:33:08,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:33:08,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:33:08,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:33:08,768 INFO L87 Difference]: Start difference. First operand 44 states and 78 transitions. Second operand 3 states. [2019-12-27 22:33:08,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:33:08,780 INFO L93 Difference]: Finished difference Result 42 states and 73 transitions. [2019-12-27 22:33:08,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:33:08,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-27 22:33:08,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:33:08,781 INFO L225 Difference]: With dead ends: 42 [2019-12-27 22:33:08,781 INFO L226 Difference]: Without dead ends: 34 [2019-12-27 22:33:08,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:33:08,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-27 22:33:08,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-27 22:33:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-27 22:33:08,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2019-12-27 22:33:08,788 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 12 [2019-12-27 22:33:08,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:33:08,788 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2019-12-27 22:33:08,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:33:08,788 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2019-12-27 22:33:08,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 22:33:08,789 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:33:08,789 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:33:08,789 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:33:08,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:33:08,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1621364820, now seen corresponding path program 1 times [2019-12-27 22:33:08,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:33:08,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170264134] [2019-12-27 22:33:08,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:33:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:33:08,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:33:08,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170264134] [2019-12-27 22:33:08,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:33:08,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:33:08,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1629787448] [2019-12-27 22:33:08,872 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:33:08,873 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:33:08,875 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 16 states and 17 transitions. [2019-12-27 22:33:08,875 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:33:08,902 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 22:33:08,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 22:33:08,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:33:08,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 22:33:08,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:33:08,903 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 5 states. [2019-12-27 22:33:08,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:33:08,939 INFO L93 Difference]: Finished difference Result 41 states and 64 transitions. [2019-12-27 22:33:08,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 22:33:08,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-12-27 22:33:08,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:33:08,941 INFO L225 Difference]: With dead ends: 41 [2019-12-27 22:33:08,941 INFO L226 Difference]: Without dead ends: 25 [2019-12-27 22:33:08,942 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 22:33:08,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-27 22:33:08,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-27 22:33:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-27 22:33:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-27 22:33:08,945 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 13 [2019-12-27 22:33:08,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:33:08,945 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-27 22:33:08,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 22:33:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-27 22:33:08,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 22:33:08,946 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:33:08,946 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:33:08,947 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:33:08,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:33:08,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1930279037, now seen corresponding path program 1 times [2019-12-27 22:33:08,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:33:08,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791043142] [2019-12-27 22:33:08,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:33:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:33:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:33:08,978 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791043142] [2019-12-27 22:33:08,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:33:08,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:33:08,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2039679081] [2019-12-27 22:33:08,979 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:33:08,981 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:33:08,984 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 14 transitions. [2019-12-27 22:33:08,985 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:33:08,985 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:33:08,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:33:08,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:33:08,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:33:08,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:33:08,986 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 3 states. [2019-12-27 22:33:08,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:33:08,994 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-12-27 22:33:08,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:33:08,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-27 22:33:08,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:33:08,995 INFO L225 Difference]: With dead ends: 24 [2019-12-27 22:33:08,995 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 22:33:08,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:33:08,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 22:33:08,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 22:33:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 22:33:08,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 22:33:08,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-27 22:33:08,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:33:08,997 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 22:33:08,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:33:08,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 22:33:08,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 22:33:09,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 10:33:09 BasicIcfg [2019-12-27 22:33:09,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 22:33:09,004 INFO L168 Benchmark]: Toolchain (without parser) took 4552.08 ms. Allocated memory was 146.3 MB in the beginning and 246.9 MB in the end (delta: 100.7 MB). Free memory was 102.3 MB in the beginning and 199.8 MB in the end (delta: -97.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-12-27 22:33:09,005 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 22:33:09,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.68 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.1 MB in the beginning and 159.5 MB in the end (delta: -57.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-12-27 22:33:09,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.90 ms. Allocated memory is still 202.9 MB. Free memory was 159.5 MB in the beginning and 157.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 22:33:09,007 INFO L168 Benchmark]: Boogie Preprocessor took 30.09 ms. Allocated memory is still 202.9 MB. Free memory was 157.5 MB in the beginning and 155.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-27 22:33:09,008 INFO L168 Benchmark]: RCFGBuilder took 445.66 ms. Allocated memory is still 202.9 MB. Free memory was 155.5 MB in the beginning and 133.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-12-27 22:33:09,009 INFO L168 Benchmark]: TraceAbstraction took 3348.85 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 133.3 MB in the beginning and 199.8 MB in the end (delta: -66.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 22:33:09,014 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.68 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.1 MB in the beginning and 159.5 MB in the end (delta: -57.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.90 ms. Allocated memory is still 202.9 MB. Free memory was 159.5 MB in the beginning and 157.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.09 ms. Allocated memory is still 202.9 MB. Free memory was 157.5 MB in the beginning and 155.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 445.66 ms. Allocated memory is still 202.9 MB. Free memory was 155.5 MB in the beginning and 133.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3348.85 ms. Allocated memory was 202.9 MB in the beginning and 246.9 MB in the end (delta: 44.0 MB). Free memory was 133.3 MB in the beginning and 199.8 MB in the end (delta: -66.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.9s, 75 ProgramPointsBefore, 27 ProgramPointsAfterwards, 63 TransitionsBefore, 19 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 361 VarBasedMoverChecksPositive, 14 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 749 CheckedPairsTotal, 49 TotalNumberOfCompositions - 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 5 procedures, 63 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 91 SDtfs, 58 SDslu, 102 SDs, 0 SdLazy, 55 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1742 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...