/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-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 18:25:40,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 18:25:40,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 18:25:40,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 18:25:40,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 18:25:40,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 18:25:40,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 18:25:40,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 18:25:40,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 18:25:40,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 18:25:40,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 18:25:40,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 18:25:40,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 18:25:40,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 18:25:40,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 18:25:40,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 18:25:40,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 18:25:40,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 18:25:40,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 18:25:40,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 18:25:40,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 18:25:40,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 18:25:40,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 18:25:40,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 18:25:40,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 18:25:40,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 18:25:40,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 18:25:40,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 18:25:40,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 18:25:40,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 18:25:40,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 18:25:40,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 18:25:40,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 18:25:40,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 18:25:40,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 18:25:40,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 18:25:40,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 18:25:40,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 18:25:40,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 18:25:40,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 18:25:40,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 18:25:40,917 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-SemanticLbe.epf [2019-12-18 18:25:40,931 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 18:25:40,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 18:25:40,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 18:25:40,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 18:25:40,933 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 18:25:40,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 18:25:40,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 18:25:40,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 18:25:40,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 18:25:40,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 18:25:40,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 18:25:40,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 18:25:40,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 18:25:40,935 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 18:25:40,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 18:25:40,935 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 18:25:40,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 18:25:40,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 18:25:40,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 18:25:40,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 18:25:40,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 18:25:40,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 18:25:40,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 18:25:40,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 18:25:40,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 18:25:40,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 18:25:40,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 18:25:40,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 18:25:40,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 18:25:41,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 18:25:41,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 18:25:41,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 18:25:41,270 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 18:25:41,271 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 18:25:41,271 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2019-12-18 18:25:41,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ff73672/6c879bff894044b6a0ac54925ae73aea/FLAG0eac4618b [2019-12-18 18:25:41,821 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 18:25:41,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2019-12-18 18:25:41,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ff73672/6c879bff894044b6a0ac54925ae73aea/FLAG0eac4618b [2019-12-18 18:25:42,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ff73672/6c879bff894044b6a0ac54925ae73aea [2019-12-18 18:25:42,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 18:25:42,110 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 18:25:42,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 18:25:42,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 18:25:42,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 18:25:42,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:25:42" (1/1) ... [2019-12-18 18:25:42,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245817ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42, skipping insertion in model container [2019-12-18 18:25:42,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:25:42" (1/1) ... [2019-12-18 18:25:42,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 18:25:42,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 18:25:42,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 18:25:42,700 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 18:25:42,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 18:25:42,838 INFO L208 MainTranslator]: Completed translation [2019-12-18 18:25:42,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42 WrapperNode [2019-12-18 18:25:42,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 18:25:42,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 18:25:42,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 18:25:42,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 18:25:42,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42" (1/1) ... [2019-12-18 18:25:42,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42" (1/1) ... [2019-12-18 18:25:42,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 18:25:42,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 18:25:42,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 18:25:42,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 18:25:42,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42" (1/1) ... [2019-12-18 18:25:42,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42" (1/1) ... [2019-12-18 18:25:42,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42" (1/1) ... [2019-12-18 18:25:42,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42" (1/1) ... [2019-12-18 18:25:42,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42" (1/1) ... [2019-12-18 18:25:42,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42" (1/1) ... [2019-12-18 18:25:42,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42" (1/1) ... [2019-12-18 18:25:42,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 18:25:42,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 18:25:42,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 18:25:42,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 18:25:42,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42" (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 [2019-12-18 18:25:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 18:25:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 18:25:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 18:25:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 18:25:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 18:25:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 18:25:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 18:25:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 18:25:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 18:25:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 18:25:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 18:25:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 18:25:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 18:25:42,989 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 18:25:43,412 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 18:25:43,412 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 18:25:43,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:25:43 BoogieIcfgContainer [2019-12-18 18:25:43,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 18:25:43,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 18:25:43,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 18:25:43,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 18:25:43,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:25:42" (1/3) ... [2019-12-18 18:25:43,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfed86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:25:43, skipping insertion in model container [2019-12-18 18:25:43,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:25:42" (2/3) ... [2019-12-18 18:25:43,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfed86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:25:43, skipping insertion in model container [2019-12-18 18:25:43,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:25:43" (3/3) ... [2019-12-18 18:25:43,424 INFO L109 eAbstractionObserver]: Analyzing ICFG safe004_tso.oepc.i [2019-12-18 18:25:43,432 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 18:25:43,433 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 18:25:43,440 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 18:25:43,441 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 18:25:43,473 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,473 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,474 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,474 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,474 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,475 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,475 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,475 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,475 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,476 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,477 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,477 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,477 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,477 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,477 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,478 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,481 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,482 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,482 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,482 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,487 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,488 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,488 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,489 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,491 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,491 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,493 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,493 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 18:25:43,512 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-18 18:25:43,527 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 18:25:43,528 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 18:25:43,528 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 18:25:43,528 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 18:25:43,528 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 18:25:43,528 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 18:25:43,528 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 18:25:43,529 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 18:25:43,540 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 53 transitions [2019-12-18 18:25:43,542 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-12-18 18:25:43,603 INFO L126 PetriNetUnfolder]: 1/50 cut-off events. [2019-12-18 18:25:43,604 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 18:25:43,614 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. 9/57 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-18 18:25:43,617 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 53 transitions [2019-12-18 18:25:43,635 INFO L126 PetriNetUnfolder]: 1/50 cut-off events. [2019-12-18 18:25:43,636 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 18:25:43,637 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. 9/57 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-18 18:25:43,638 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-12-18 18:25:43,640 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 18:25:45,354 INFO L206 etLargeBlockEncoding]: Checked pairs total: 483 [2019-12-18 18:25:45,354 INFO L214 etLargeBlockEncoding]: Total number of compositions: 45 [2019-12-18 18:25:45,358 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 17 transitions [2019-12-18 18:25:45,369 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 54 states. [2019-12-18 18:25:45,371 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-12-18 18:25:45,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 18:25:45,377 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:25:45,378 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:25:45,378 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:25:45,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:25:45,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1980902298, now seen corresponding path program 1 times [2019-12-18 18:25:45,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:25:45,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045289470] [2019-12-18 18:25:45,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:25:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:25:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 18:25:45,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045289470] [2019-12-18 18:25:45,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:25:45,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 18:25:45,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118916674] [2019-12-18 18:25:45,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 18:25:45,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:25:45,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 18:25:45,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 18:25:45,624 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 3 states. [2019-12-18 18:25:45,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:25:45,659 INFO L93 Difference]: Finished difference Result 52 states and 109 transitions. [2019-12-18 18:25:45,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 18:25:45,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-18 18:25:45,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:25:45,672 INFO L225 Difference]: With dead ends: 52 [2019-12-18 18:25:45,672 INFO L226 Difference]: Without dead ends: 28 [2019-12-18 18:25:45,674 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 [2019-12-18 18:25:45,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-18 18:25:45,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-12-18 18:25:45,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-18 18:25:45,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 49 transitions. [2019-12-18 18:25:45,713 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 49 transitions. Word has length 7 [2019-12-18 18:25:45,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:25:45,713 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 49 transitions. [2019-12-18 18:25:45,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 18:25:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2019-12-18 18:25:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 18:25:45,714 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:25:45,715 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:25:45,715 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:25:45,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:25:45,715 INFO L82 PathProgramCache]: Analyzing trace with hash -889565550, now seen corresponding path program 1 times [2019-12-18 18:25:45,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:25:45,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30683917] [2019-12-18 18:25:45,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:25:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:25:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 18:25:45,822 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30683917] [2019-12-18 18:25:45,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:25:45,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 18:25:45,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370044991] [2019-12-18 18:25:45,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 18:25:45,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:25:45,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 18:25:45,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 18:25:45,825 INFO L87 Difference]: Start difference. First operand 28 states and 49 transitions. Second operand 3 states. [2019-12-18 18:25:45,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:25:45,835 INFO L93 Difference]: Finished difference Result 32 states and 48 transitions. [2019-12-18 18:25:45,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 18:25:45,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-18 18:25:45,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:25:45,837 INFO L225 Difference]: With dead ends: 32 [2019-12-18 18:25:45,837 INFO L226 Difference]: Without dead ends: 28 [2019-12-18 18:25:45,838 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 [2019-12-18 18:25:45,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-18 18:25:45,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2019-12-18 18:25:45,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-18 18:25:45,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 40 transitions. [2019-12-18 18:25:45,843 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 40 transitions. Word has length 8 [2019-12-18 18:25:45,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:25:45,843 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 40 transitions. [2019-12-18 18:25:45,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 18:25:45,844 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2019-12-18 18:25:45,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 18:25:45,844 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 18:25:45,844 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 18:25:45,845 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 18:25:45,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 18:25:45,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1278606219, now seen corresponding path program 1 times [2019-12-18 18:25:45,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 18:25:45,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236016144] [2019-12-18 18:25:45,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 18:25:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 18:25:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 18:25:45,891 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236016144] [2019-12-18 18:25:45,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 18:25:45,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 18:25:45,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999426278] [2019-12-18 18:25:45,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 18:25:45,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 18:25:45,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 18:25:45,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 18:25:45,894 INFO L87 Difference]: Start difference. First operand 26 states and 40 transitions. Second operand 3 states. [2019-12-18 18:25:45,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 18:25:45,907 INFO L93 Difference]: Finished difference Result 22 states and 32 transitions. [2019-12-18 18:25:45,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 18:25:45,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-18 18:25:45,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 18:25:45,908 INFO L225 Difference]: With dead ends: 22 [2019-12-18 18:25:45,908 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 18:25:45,909 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 [2019-12-18 18:25:45,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 18:25:45,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 18:25:45,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 18:25:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 18:25:45,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-12-18 18:25:45,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 18:25:45,910 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 18:25:45,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 18:25:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 18:25:45,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 18:25:45,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 06:25:45 BasicIcfg [2019-12-18 18:25:45,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 18:25:45,916 INFO L168 Benchmark]: Toolchain (without parser) took 3805.73 ms. Allocated memory was 142.6 MB in the beginning and 251.1 MB in the end (delta: 108.5 MB). Free memory was 100.6 MB in the beginning and 145.5 MB in the end (delta: -44.9 MB). Peak memory consumption was 63.7 MB. Max. memory is 7.1 GB. [2019-12-18 18:25:45,917 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 142.6 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-18 18:25:45,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.98 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 100.2 MB in the beginning and 158.0 MB in the end (delta: -57.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-12-18 18:25:45,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.91 ms. Allocated memory is still 200.3 MB. Free memory was 158.0 MB in the beginning and 155.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-12-18 18:25:45,920 INFO L168 Benchmark]: Boogie Preprocessor took 27.73 ms. Allocated memory is still 200.3 MB. Free memory was 155.9 MB in the beginning and 154.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-18 18:25:45,920 INFO L168 Benchmark]: RCFGBuilder took 493.83 ms. Allocated memory is still 200.3 MB. Free memory was 154.4 MB in the beginning and 133.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-12-18 18:25:45,922 INFO L168 Benchmark]: TraceAbstraction took 2496.23 ms. Allocated memory was 200.3 MB in the beginning and 251.1 MB in the end (delta: 50.9 MB). Free memory was 133.9 MB in the beginning and 145.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2019-12-18 18:25:45,926 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 142.6 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 727.98 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 100.2 MB in the beginning and 158.0 MB in the end (delta: -57.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.91 ms. Allocated memory is still 200.3 MB. Free memory was 158.0 MB in the beginning and 155.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.73 ms. Allocated memory is still 200.3 MB. Free memory was 155.9 MB in the beginning and 154.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 493.83 ms. Allocated memory is still 200.3 MB. Free memory was 154.4 MB in the beginning and 133.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2496.23 ms. Allocated memory was 200.3 MB in the beginning and 251.1 MB in the end (delta: 50.9 MB). Free memory was 133.9 MB in the beginning and 145.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 39.2 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: 2.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, 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...