/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/safe006_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 22:19:28,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 22:19:28,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 22:19:28,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 22:19:28,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 22:19:28,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 22:19:28,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 22:19:28,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 22:19:28,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 22:19:28,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 22:19:28,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 22:19:28,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 22:19:28,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 22:19:28,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 22:19:28,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 22:19:28,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 22:19:28,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 22:19:28,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 22:19:28,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 22:19:28,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 22:19:28,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 22:19:28,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 22:19:28,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 22:19:28,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 22:19:28,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 22:19:28,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 22:19:28,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 22:19:28,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 22:19:28,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 22:19:28,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 22:19:28,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 22:19:28,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 22:19:28,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 22:19:28,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 22:19:28,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 22:19:28,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 22:19:28,090 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 22:19:28,110 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 22:19:28,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 22:19:28,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 22:19:28,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 22:19:28,113 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 22:19:28,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 22:19:28,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 22:19:28,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 22:19:28,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 22:19:28,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 22:19:28,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 22:19:28,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 22:19:28,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 22:19:28,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 22:19:28,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 22:19:28,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 22:19:28,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 22:19:28,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 22:19:28,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 22:19:28,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 22:19:28,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 22:19:28,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 22:19:28,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 22:19:28,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 22:19:28,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 22:19:28,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 22:19:28,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 22:19:28,118 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 22:19:28,119 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 22:19:28,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 22:19:28,120 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 22:19:28,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 22:19:28,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 22:19:28,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 22:19:28,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 22:19:28,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 22:19:28,413 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 22:19:28,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i [2019-12-27 22:19:28,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f142e40/0babc9dc658c4fdbb733a886548553e8/FLAGf8f75530f [2019-12-27 22:19:29,036 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 22:19:29,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i [2019-12-27 22:19:29,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f142e40/0babc9dc658c4fdbb733a886548553e8/FLAGf8f75530f [2019-12-27 22:19:29,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f142e40/0babc9dc658c4fdbb733a886548553e8 [2019-12-27 22:19:29,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 22:19:29,321 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 22:19:29,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 22:19:29,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 22:19:29,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 22:19:29,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:19:29" (1/1) ... [2019-12-27 22:19:29,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e24b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29, skipping insertion in model container [2019-12-27 22:19:29,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:19:29" (1/1) ... [2019-12-27 22:19:29,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 22:19:29,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 22:19:29,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:19:29,845 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 22:19:29,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:19:29,985 INFO L208 MainTranslator]: Completed translation [2019-12-27 22:19:29,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29 WrapperNode [2019-12-27 22:19:29,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 22:19:29,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 22:19:29,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 22:19:29,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 22:19:29,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29" (1/1) ... [2019-12-27 22:19:30,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29" (1/1) ... [2019-12-27 22:19:30,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 22:19:30,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 22:19:30,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 22:19:30,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 22:19:30,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29" (1/1) ... [2019-12-27 22:19:30,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29" (1/1) ... [2019-12-27 22:19:30,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29" (1/1) ... [2019-12-27 22:19:30,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29" (1/1) ... [2019-12-27 22:19:30,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29" (1/1) ... [2019-12-27 22:19:30,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29" (1/1) ... [2019-12-27 22:19:30,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29" (1/1) ... [2019-12-27 22:19:30,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 22:19:30,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 22:19:30,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 22:19:30,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 22:19:30,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29" (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 22:19:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 22:19:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 22:19:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 22:19:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 22:19:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 22:19:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 22:19:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 22:19:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 22:19:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 22:19:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 22:19:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 22:19:30,154 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 22:19:30,501 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 22:19:30,501 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 22:19:30,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:19:30 BoogieIcfgContainer [2019-12-27 22:19:30,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 22:19:30,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 22:19:30,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 22:19:30,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 22:19:30,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 10:19:29" (1/3) ... [2019-12-27 22:19:30,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f37dfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:19:30, skipping insertion in model container [2019-12-27 22:19:30,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:19:29" (2/3) ... [2019-12-27 22:19:30,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f37dfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:19:30, skipping insertion in model container [2019-12-27 22:19:30,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:19:30" (3/3) ... [2019-12-27 22:19:30,511 INFO L109 eAbstractionObserver]: Analyzing ICFG safe006_tso.opt.i [2019-12-27 22:19:30,522 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 22:19:30,522 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 22:19:30,529 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 22:19:30,530 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 22:19:30,558 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,558 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,559 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,559 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,559 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,560 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,561 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,561 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,562 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,562 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,562 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,563 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,566 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,567 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,567 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,567 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,573 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,573 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,573 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,573 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:19:30,588 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 22:19:30,604 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 22:19:30,604 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 22:19:30,604 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 22:19:30,605 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 22:19:30,605 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 22:19:30,605 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 22:19:30,605 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 22:19:30,605 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 22:19:30,616 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 43 transitions [2019-12-27 22:19:30,618 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-27 22:19:30,655 INFO L132 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-27 22:19:30,656 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:19:30,662 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/39 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 22:19:30,667 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 49 places, 43 transitions [2019-12-27 22:19:30,686 INFO L132 PetriNetUnfolder]: 1/41 cut-off events. [2019-12-27 22:19:30,687 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:19:30,688 INFO L76 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 41 events. 1/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs. 0/39 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2019-12-27 22:19:30,689 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 234 [2019-12-27 22:19:30,690 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 22:19:31,782 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-12-27 22:19:31,879 INFO L206 etLargeBlockEncoding]: Checked pairs total: 271 [2019-12-27 22:19:31,880 INFO L214 etLargeBlockEncoding]: Total number of compositions: 38 [2019-12-27 22:19:31,884 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 11 transitions [2019-12-27 22:19:31,892 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22 states. [2019-12-27 22:19:31,894 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-27 22:19:31,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 22:19:31,901 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:19:31,902 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 22:19:31,902 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:19:31,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:19:31,908 INFO L82 PathProgramCache]: Analyzing trace with hash 608072787, now seen corresponding path program 1 times [2019-12-27 22:19:31,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:19:31,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846312631] [2019-12-27 22:19:31,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:19:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:19:32,132 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 22:19:32,133 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846312631] [2019-12-27 22:19:32,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:19:32,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 22:19:32,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [210726248] [2019-12-27 22:19:32,137 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:19:32,142 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:19:32,155 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 7 states and 6 transitions. [2019-12-27 22:19:32,155 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:19:32,159 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:19:32,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:19:32,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:19:32,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:19:32,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:19:32,178 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-27 22:19:32,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:19:32,213 INFO L93 Difference]: Finished difference Result 20 states and 31 transitions. [2019-12-27 22:19:32,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:19:32,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-27 22:19:32,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:19:32,225 INFO L225 Difference]: With dead ends: 20 [2019-12-27 22:19:32,225 INFO L226 Difference]: Without dead ends: 16 [2019-12-27 22:19:32,228 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 22:19:32,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-27 22:19:32,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-27 22:19:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-27 22:19:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2019-12-27 22:19:32,291 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 23 transitions. Word has length 6 [2019-12-27 22:19:32,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:19:32,292 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-12-27 22:19:32,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:19:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2019-12-27 22:19:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 22:19:32,293 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:19:32,293 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:19:32,293 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:19:32,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:19:32,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1670386944, now seen corresponding path program 1 times [2019-12-27 22:19:32,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:19:32,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933714455] [2019-12-27 22:19:32,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:19:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:19:32,390 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 22:19:32,391 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933714455] [2019-12-27 22:19:32,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:19:32,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:19:32,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2113152524] [2019-12-27 22:19:32,392 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:19:32,393 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:19:32,396 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 8 states and 7 transitions. [2019-12-27 22:19:32,396 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:19:32,396 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:19:32,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:19:32,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:19:32,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:19:32,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:19:32,399 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. Second operand 4 states. [2019-12-27 22:19:32,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:19:32,430 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2019-12-27 22:19:32,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 22:19:32,431 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-27 22:19:32,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:19:32,432 INFO L225 Difference]: With dead ends: 17 [2019-12-27 22:19:32,432 INFO L226 Difference]: Without dead ends: 13 [2019-12-27 22:19:32,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:19:32,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-27 22:19:32,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-27 22:19:32,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-27 22:19:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-12-27 22:19:32,440 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 7 [2019-12-27 22:19:32,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:19:32,441 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-27 22:19:32,441 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:19:32,441 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-12-27 22:19:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 22:19:32,442 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:19:32,442 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:19:32,443 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:19:32,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:19:32,443 INFO L82 PathProgramCache]: Analyzing trace with hash 179998362, now seen corresponding path program 1 times [2019-12-27 22:19:32,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:19:32,444 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20542880] [2019-12-27 22:19:32,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:19:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:19:32,555 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 22:19:32,555 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20542880] [2019-12-27 22:19:32,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:19:32,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:19:32,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [773215649] [2019-12-27 22:19:32,559 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:19:32,560 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:19:32,568 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 12 transitions. [2019-12-27 22:19:32,569 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:19:32,571 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:19:32,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:19:32,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:19:32,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:19:32,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:19:32,573 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 4 states. [2019-12-27 22:19:32,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:19:32,584 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2019-12-27 22:19:32,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 22:19:32,585 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-27 22:19:32,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:19:32,585 INFO L225 Difference]: With dead ends: 12 [2019-12-27 22:19:32,585 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 22:19:32,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:19:32,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 22:19:32,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 22:19:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 22:19:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 22:19:32,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-27 22:19:32,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:19:32,587 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 22:19:32,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:19:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 22:19:32,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 22:19:32,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 10:19:32 BasicIcfg [2019-12-27 22:19:32,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 22:19:32,594 INFO L168 Benchmark]: Toolchain (without parser) took 3272.49 ms. Allocated memory was 138.9 MB in the beginning and 246.4 MB in the end (delta: 107.5 MB). Free memory was 102.7 MB in the beginning and 205.9 MB in the end (delta: -103.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-12-27 22:19:32,594 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 22:19:32,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.05 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.3 MB in the beginning and 161.0 MB in the end (delta: -58.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-12-27 22:19:32,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.28 ms. Allocated memory is still 203.4 MB. Free memory was 161.0 MB in the beginning and 159.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 22:19:32,597 INFO L168 Benchmark]: Boogie Preprocessor took 24.29 ms. Allocated memory is still 203.4 MB. Free memory was 159.0 MB in the beginning and 157.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 22:19:32,598 INFO L168 Benchmark]: RCFGBuilder took 410.48 ms. Allocated memory is still 203.4 MB. Free memory was 157.6 MB in the beginning and 139.3 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-12-27 22:19:32,599 INFO L168 Benchmark]: TraceAbstraction took 2087.85 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 138.6 MB in the beginning and 205.9 MB in the end (delta: -67.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 22:19:32,603 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 121.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.05 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.3 MB in the beginning and 161.0 MB in the end (delta: -58.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 80.28 ms. Allocated memory is still 203.4 MB. Free memory was 161.0 MB in the beginning and 159.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.29 ms. Allocated memory is still 203.4 MB. Free memory was 159.0 MB in the beginning and 157.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 410.48 ms. Allocated memory is still 203.4 MB. Free memory was 157.6 MB in the beginning and 139.3 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2087.85 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 138.6 MB in the beginning and 205.9 MB in the end (delta: -67.3 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: 1.2s, 49 ProgramPointsBefore, 15 ProgramPointsAfterwards, 43 TransitionsBefore, 11 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 118 VarBasedMoverChecksPositive, 13 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 271 CheckedPairsTotal, 38 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 3 procedures, 43 locations, 1 error locations. Result: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 12 SDslu, 8 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 330 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...