/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-26 23:34:15,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-26 23:34:15,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-26 23:34:15,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-26 23:34:15,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-26 23:34:15,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-26 23:34:15,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-26 23:34:15,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-26 23:34:15,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-26 23:34:15,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-26 23:34:15,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-26 23:34:15,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-26 23:34:15,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-26 23:34:15,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-26 23:34:15,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-26 23:34:15,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-26 23:34:15,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-26 23:34:15,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-26 23:34:15,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-26 23:34:15,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-26 23:34:15,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-26 23:34:15,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-26 23:34:15,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-26 23:34:15,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-26 23:34:15,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-26 23:34:15,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-26 23:34:15,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-26 23:34:15,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-26 23:34:15,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-26 23:34:15,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-26 23:34:15,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-26 23:34:15,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-26 23:34:15,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-26 23:34:15,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-26 23:34:15,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-26 23:34:15,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-26 23:34:15,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-26 23:34:15,515 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-26 23:34:15,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-26 23:34:15,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-26 23:34:15,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-26 23:34:15,520 INFO L138 SettingsManager]: * Use SBE=true [2019-12-26 23:34:15,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-26 23:34:15,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-26 23:34:15,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-26 23:34:15,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-26 23:34:15,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-26 23:34:15,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-26 23:34:15,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-26 23:34:15,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-26 23:34:15,524 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-26 23:34:15,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-26 23:34:15,524 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-26 23:34:15,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-26 23:34:15,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-26 23:34:15,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-26 23:34:15,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-26 23:34:15,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-26 23:34:15,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-26 23:34:15,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-26 23:34:15,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-26 23:34:15,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-26 23:34:15,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-26 23:34:15,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-26 23:34:15,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-26 23:34:15,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-26 23:34:15,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-26 23:34:15,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-26 23:34:15,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-26 23:34:15,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-26 23:34:15,851 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-26 23:34:15,851 INFO L275 PluginConnector]: CDTParser initialized [2019-12-26 23:34:15,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2019-12-26 23:34:15,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b01c7807c/9d1a7ebf8b8b4ce2afeef23342712ee7/FLAGf6617cf8d [2019-12-26 23:34:16,504 INFO L306 CDTParser]: Found 1 translation units. [2019-12-26 23:34:16,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2019-12-26 23:34:16,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b01c7807c/9d1a7ebf8b8b4ce2afeef23342712ee7/FLAGf6617cf8d [2019-12-26 23:34:16,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b01c7807c/9d1a7ebf8b8b4ce2afeef23342712ee7 [2019-12-26 23:34:16,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-26 23:34:16,816 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-26 23:34:16,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-26 23:34:16,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-26 23:34:16,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-26 23:34:16,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 11:34:16" (1/1) ... [2019-12-26 23:34:16,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c07316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:16, skipping insertion in model container [2019-12-26 23:34:16,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 11:34:16" (1/1) ... [2019-12-26 23:34:16,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-26 23:34:16,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-26 23:34:17,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-26 23:34:17,413 INFO L203 MainTranslator]: Completed pre-run [2019-12-26 23:34:17,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-26 23:34:17,541 INFO L208 MainTranslator]: Completed translation [2019-12-26 23:34:17,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17 WrapperNode [2019-12-26 23:34:17,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-26 23:34:17,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-26 23:34:17,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-26 23:34:17,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-26 23:34:17,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17" (1/1) ... [2019-12-26 23:34:17,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17" (1/1) ... [2019-12-26 23:34:17,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-26 23:34:17,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-26 23:34:17,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-26 23:34:17,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-26 23:34:17,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17" (1/1) ... [2019-12-26 23:34:17,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17" (1/1) ... [2019-12-26 23:34:17,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17" (1/1) ... [2019-12-26 23:34:17,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17" (1/1) ... [2019-12-26 23:34:17,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17" (1/1) ... [2019-12-26 23:34:17,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17" (1/1) ... [2019-12-26 23:34:17,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17" (1/1) ... [2019-12-26 23:34:17,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-26 23:34:17,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-26 23:34:17,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-26 23:34:17,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-26 23:34:17,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17" (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 [2019-12-26 23:34:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-26 23:34:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-26 23:34:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-26 23:34:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-26 23:34:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-26 23:34:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-26 23:34:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-26 23:34:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-26 23:34:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-26 23:34:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-26 23:34:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-26 23:34:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-26 23:34:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-26 23:34:17,673 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-26 23:34:18,015 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-26 23:34:18,016 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-26 23:34:18,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 11:34:18 BoogieIcfgContainer [2019-12-26 23:34:18,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-26 23:34:18,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-26 23:34:18,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-26 23:34:18,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-26 23:34:18,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 11:34:16" (1/3) ... [2019-12-26 23:34:18,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58cc2783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 11:34:18, skipping insertion in model container [2019-12-26 23:34:18,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:34:17" (2/3) ... [2019-12-26 23:34:18,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58cc2783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 11:34:18, skipping insertion in model container [2019-12-26 23:34:18,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 11:34:18" (3/3) ... [2019-12-26 23:34:18,025 INFO L109 eAbstractionObserver]: Analyzing ICFG safe004_tso.oepc.i [2019-12-26 23:34:18,035 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-26 23:34:18,035 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-26 23:34:18,042 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-26 23:34:18,043 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-26 23:34:18,070 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,070 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,071 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,071 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,071 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,072 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,072 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,072 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,073 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,073 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,073 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,073 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,074 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,074 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,074 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,074 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,074 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,075 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,078 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,079 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,079 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,079 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,085 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,086 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,086 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,086 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,096 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,096 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,096 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,097 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:34:18,115 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-26 23:34:18,134 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-26 23:34:18,134 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-26 23:34:18,135 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-26 23:34:18,135 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-26 23:34:18,135 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-26 23:34:18,135 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-26 23:34:18,135 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-26 23:34:18,136 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-26 23:34:18,149 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 53 transitions [2019-12-26 23:34:18,152 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-12-26 23:34:18,201 INFO L132 PetriNetUnfolder]: 1/50 cut-off events. [2019-12-26 23:34:18,204 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-26 23:34:18,211 INFO L76 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs. 0/48 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-26 23:34:18,214 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-12-26 23:34:18,243 INFO L132 PetriNetUnfolder]: 1/50 cut-off events. [2019-12-26 23:34:18,245 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-26 23:34:18,247 INFO L76 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 1/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs. 0/48 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-26 23:34:18,251 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-12-26 23:34:18,252 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-26 23:34:19,990 INFO L206 etLargeBlockEncoding]: Checked pairs total: 483 [2019-12-26 23:34:19,990 INFO L214 etLargeBlockEncoding]: Total number of compositions: 45 [2019-12-26 23:34:19,996 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 17 transitions [2019-12-26 23:34:20,010 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 54 states. [2019-12-26 23:34:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-12-26 23:34:20,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-26 23:34:20,023 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:34:20,024 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:34:20,025 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:34:20,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:34:20,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1980902298, now seen corresponding path program 1 times [2019-12-26 23:34:20,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:34:20,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542230401] [2019-12-26 23:34:20,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:34:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:34:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:34:20,288 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542230401] [2019-12-26 23:34:20,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:34:20,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-26 23:34:20,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262928813] [2019-12-26 23:34:20,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:34:20,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:34:20,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:34:20,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:34:20,317 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 3 states. [2019-12-26 23:34:20,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:34:20,360 INFO L93 Difference]: Finished difference Result 52 states and 109 transitions. [2019-12-26 23:34:20,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:34:20,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-26 23:34:20,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:34:20,392 INFO L225 Difference]: With dead ends: 52 [2019-12-26 23:34:20,392 INFO L226 Difference]: Without dead ends: 28 [2019-12-26 23:34:20,396 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 [2019-12-26 23:34:20,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-26 23:34:20,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-12-26 23:34:20,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-26 23:34:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 49 transitions. [2019-12-26 23:34:20,439 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 49 transitions. Word has length 7 [2019-12-26 23:34:20,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:34:20,439 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 49 transitions. [2019-12-26 23:34:20,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:34:20,439 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2019-12-26 23:34:20,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-26 23:34:20,440 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:34:20,440 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:34:20,440 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:34:20,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:34:20,441 INFO L82 PathProgramCache]: Analyzing trace with hash -889565550, now seen corresponding path program 1 times [2019-12-26 23:34:20,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:34:20,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58348030] [2019-12-26 23:34:20,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:34:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:34:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:34:20,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58348030] [2019-12-26 23:34:20,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:34:20,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 23:34:20,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312147300] [2019-12-26 23:34:20,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:34:20,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:34:20,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:34:20,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:34:20,562 INFO L87 Difference]: Start difference. First operand 28 states and 49 transitions. Second operand 3 states. [2019-12-26 23:34:20,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:34:20,572 INFO L93 Difference]: Finished difference Result 32 states and 48 transitions. [2019-12-26 23:34:20,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:34:20,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-26 23:34:20,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:34:20,573 INFO L225 Difference]: With dead ends: 32 [2019-12-26 23:34:20,573 INFO L226 Difference]: Without dead ends: 28 [2019-12-26 23:34:20,574 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 [2019-12-26 23:34:20,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-26 23:34:20,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2019-12-26 23:34:20,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-26 23:34:20,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 40 transitions. [2019-12-26 23:34:20,580 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 40 transitions. Word has length 8 [2019-12-26 23:34:20,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:34:20,580 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 40 transitions. [2019-12-26 23:34:20,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:34:20,580 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2019-12-26 23:34:20,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-26 23:34:20,581 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:34:20,581 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:34:20,581 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:34:20,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:34:20,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1278606219, now seen corresponding path program 1 times [2019-12-26 23:34:20,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:34:20,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503672272] [2019-12-26 23:34:20,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:34:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:34:20,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:34:20,661 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503672272] [2019-12-26 23:34:20,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:34:20,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 23:34:20,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247963788] [2019-12-26 23:34:20,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:34:20,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:34:20,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:34:20,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:34:20,664 INFO L87 Difference]: Start difference. First operand 26 states and 40 transitions. Second operand 3 states. [2019-12-26 23:34:20,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:34:20,678 INFO L93 Difference]: Finished difference Result 22 states and 32 transitions. [2019-12-26 23:34:20,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:34:20,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-26 23:34:20,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:34:20,679 INFO L225 Difference]: With dead ends: 22 [2019-12-26 23:34:20,679 INFO L226 Difference]: Without dead ends: 0 [2019-12-26 23:34:20,680 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 [2019-12-26 23:34:20,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-26 23:34:20,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-26 23:34:20,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-26 23:34:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-26 23:34:20,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-26 23:34:20,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:34:20,681 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-26 23:34:20,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:34:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-26 23:34:20,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-26 23:34:20,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 11:34:20 BasicIcfg [2019-12-26 23:34:20,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-26 23:34:20,691 INFO L168 Benchmark]: Toolchain (without parser) took 3874.43 ms. Allocated memory was 143.7 MB in the beginning and 251.1 MB in the end (delta: 107.5 MB). Free memory was 100.3 MB in the beginning and 140.6 MB in the end (delta: -40.3 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:20,692 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-26 23:34:20,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.81 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 156.9 MB in the end (delta: -57.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:20,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.25 ms. Allocated memory is still 200.3 MB. Free memory was 156.9 MB in the beginning and 154.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:20,697 INFO L168 Benchmark]: Boogie Preprocessor took 24.85 ms. Allocated memory is still 200.3 MB. Free memory was 154.9 MB in the beginning and 153.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:20,700 INFO L168 Benchmark]: RCFGBuilder took 402.64 ms. Allocated memory is still 200.3 MB. Free memory was 153.5 MB in the beginning and 132.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:20,704 INFO L168 Benchmark]: TraceAbstraction took 2668.44 ms. Allocated memory was 200.3 MB in the beginning and 251.1 MB in the end (delta: 50.9 MB). Free memory was 132.9 MB in the beginning and 141.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 7.1 GB. [2019-12-26 23:34:20,715 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 724.81 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 156.9 MB in the end (delta: -57.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.25 ms. Allocated memory is still 200.3 MB. Free memory was 156.9 MB in the beginning and 154.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.85 ms. Allocated memory is still 200.3 MB. Free memory was 154.9 MB in the beginning and 153.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 402.64 ms. Allocated memory is still 200.3 MB. Free memory was 153.5 MB in the beginning and 132.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2668.44 ms. Allocated memory was 200.3 MB in the beginning and 251.1 MB in the end (delta: 50.9 MB). Free memory was 132.9 MB in the beginning and 141.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 62 ProgramPointsBefore, 22 ProgramPointsAfterwards, 53 TransitionsBefore, 17 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 250 VarBasedMoverChecksPositive, 18 VarBasedMoverChecksNegative, 6 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 483 CheckedPairsTotal, 45 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 4 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 39 SDtfs, 6 SDslu, 18 SDs, 0 SdLazy, 13 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...