/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe014_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:40:42,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:40:42,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:40:42,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:40:42,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:40:42,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:40:42,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:40:42,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:40:42,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:40:42,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:40:42,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:40:42,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:40:42,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:40:42,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:40:42,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:40:42,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:40:42,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:40:42,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:40:42,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:40:42,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:40:42,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:40:42,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:40:42,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:40:42,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:40:42,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 04:40:42,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 04:40:42,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 04:40:42,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 04:40:42,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 04:40:42,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 04:40:42,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:40:42,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:40:42,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:40:42,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:40:42,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:40:42,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:40:42,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:40:42,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:40:42,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:40:42,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:40:42,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:40:42,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 04:40:42,920 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:40:42,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:40:42,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:40:42,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:40:42,923 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:40:42,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:40:42,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:40:42,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:40:42,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:40:42,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:40:42,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:40:42,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:40:42,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:40:42,926 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:40:42,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:40:42,926 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:40:42,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:40:42,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:40:42,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:40:42,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:40:42,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:40:42,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:40:42,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:40:42,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:40:42,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:40:42,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:40:42,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:40:42,930 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:40:42,930 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:40:42,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:40:42,930 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:40:42,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:40:43,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:40:43,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:40:43,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:40:43,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:40:43,226 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:40:43,227 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_pso.oepc.i [2019-12-28 04:40:43,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3f20886/576d8e023e484d689c0b22876b0a8c2d/FLAG0b4bf0106 [2019-12-28 04:40:43,912 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:40:43,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_pso.oepc.i [2019-12-28 04:40:43,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3f20886/576d8e023e484d689c0b22876b0a8c2d/FLAG0b4bf0106 [2019-12-28 04:40:44,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3f20886/576d8e023e484d689c0b22876b0a8c2d [2019-12-28 04:40:44,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:40:44,199 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:40:44,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:40:44,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:40:44,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:40:44,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:40:44" (1/1) ... [2019-12-28 04:40:44,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce61755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44, skipping insertion in model container [2019-12-28 04:40:44,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:40:44" (1/1) ... [2019-12-28 04:40:44,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:40:44,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:40:44,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:40:44,748 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:40:44,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:40:44,903 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:40:44,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44 WrapperNode [2019-12-28 04:40:44,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:40:44,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:40:44,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:40:44,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:40:44,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44" (1/1) ... [2019-12-28 04:40:44,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44" (1/1) ... [2019-12-28 04:40:44,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:40:44,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:40:44,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:40:44,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:40:44,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44" (1/1) ... [2019-12-28 04:40:44,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44" (1/1) ... [2019-12-28 04:40:44,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44" (1/1) ... [2019-12-28 04:40:44,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44" (1/1) ... [2019-12-28 04:40:44,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44" (1/1) ... [2019-12-28 04:40:44,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44" (1/1) ... [2019-12-28 04:40:44,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44" (1/1) ... [2019-12-28 04:40:44,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:40:44,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:40:44,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:40:44,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:40:44,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:40:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:40:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:40:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:40:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:40:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:40:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:40:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:40:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:40:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:40:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:40:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:40:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:40:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:40:45,055 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 04:40:45,457 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:40:45,457 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:40:45,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:40:45 BoogieIcfgContainer [2019-12-28 04:40:45,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:40:45,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:40:45,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:40:45,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:40:45,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:40:44" (1/3) ... [2019-12-28 04:40:45,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b57d8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:40:45, skipping insertion in model container [2019-12-28 04:40:45,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:44" (2/3) ... [2019-12-28 04:40:45,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b57d8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:40:45, skipping insertion in model container [2019-12-28 04:40:45,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:40:45" (3/3) ... [2019-12-28 04:40:45,469 INFO L109 eAbstractionObserver]: Analyzing ICFG safe014_pso.oepc.i [2019-12-28 04:40:45,480 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:40:45,480 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:40:45,487 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:40:45,488 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:40:45,515 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,516 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,516 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,516 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,517 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,517 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,518 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,518 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,518 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,518 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,520 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,520 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,520 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,520 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,521 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,521 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,525 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,526 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,526 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,526 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,530 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,531 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,531 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,532 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,544 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,544 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,544 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,544 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:40:45,560 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:40:45,584 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:40:45,585 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:40:45,585 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:40:45,586 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:40:45,586 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:40:45,586 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:40:45,587 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:40:45,587 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:40:45,602 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 54 transitions [2019-12-28 04:40:45,685 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-12-28 04:40:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-12-28 04:40:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 04:40:45,716 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:45,718 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:40:45,718 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:45,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:45,725 INFO L82 PathProgramCache]: Analyzing trace with hash -83504505, now seen corresponding path program 1 times [2019-12-28 04:40:45,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:45,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970613231] [2019-12-28 04:40:45,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:46,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:40:46,187 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970613231] [2019-12-28 04:40:46,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:46,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:40:46,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2009024552] [2019-12-28 04:40:46,192 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:46,202 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:46,229 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 31 transitions. [2019-12-28 04:40:46,230 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:46,237 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:40:46,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:40:46,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:46,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:40:46,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:40:46,257 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-12-28 04:40:46,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:46,383 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-12-28 04:40:46,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:40:46,389 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-28 04:40:46,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:46,413 INFO L225 Difference]: With dead ends: 1295 [2019-12-28 04:40:46,413 INFO L226 Difference]: Without dead ends: 601 [2019-12-28 04:40:46,415 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:40:46,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-12-28 04:40:46,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-12-28 04:40:46,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-12-28 04:40:46,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-12-28 04:40:46,521 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-12-28 04:40:46,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:46,522 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-12-28 04:40:46,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:40:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-12-28 04:40:46,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:40:46,527 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:46,527 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:40:46,527 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:46,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:46,528 INFO L82 PathProgramCache]: Analyzing trace with hash 288299186, now seen corresponding path program 1 times [2019-12-28 04:40:46,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:46,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096321925] [2019-12-28 04:40:46,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:40:46,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096321925] [2019-12-28 04:40:46,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:46,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:40:46,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1940228439] [2019-12-28 04:40:46,733 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:46,738 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:46,743 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 37 states and 40 transitions. [2019-12-28 04:40:46,743 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:46,746 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:40:46,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 04:40:46,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:46,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 04:40:46,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:40:46,757 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-12-28 04:40:46,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:46,837 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-12-28 04:40:46,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:40:46,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-28 04:40:46,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:46,844 INFO L225 Difference]: With dead ends: 601 [2019-12-28 04:40:46,844 INFO L226 Difference]: Without dead ends: 538 [2019-12-28 04:40:46,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:40:46,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-28 04:40:46,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-12-28 04:40:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-28 04:40:46,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-12-28 04:40:46,885 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-12-28 04:40:46,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:46,886 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-12-28 04:40:46,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 04:40:46,886 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-12-28 04:40:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:40:46,889 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:46,890 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:40:46,890 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:46,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:46,890 INFO L82 PathProgramCache]: Analyzing trace with hash -2025800424, now seen corresponding path program 1 times [2019-12-28 04:40:46,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:46,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374402276] [2019-12-28 04:40:46,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:47,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:40:47,045 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374402276] [2019-12-28 04:40:47,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:47,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:40:47,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1871802288] [2019-12-28 04:40:47,046 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:47,049 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:47,054 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 41 transitions. [2019-12-28 04:40:47,054 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:47,054 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:40:47,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:40:47,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:47,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:40:47,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:40:47,056 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-12-28 04:40:47,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:47,149 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-12-28 04:40:47,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:40:47,149 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-28 04:40:47,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:47,153 INFO L225 Difference]: With dead ends: 403 [2019-12-28 04:40:47,153 INFO L226 Difference]: Without dead ends: 349 [2019-12-28 04:40:47,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:40:47,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-28 04:40:47,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-12-28 04:40:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-12-28 04:40:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-12-28 04:40:47,168 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-12-28 04:40:47,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:47,168 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-12-28 04:40:47,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:40:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-12-28 04:40:47,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:40:47,174 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:47,174 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:40:47,174 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:47,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:47,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1679595576, now seen corresponding path program 1 times [2019-12-28 04:40:47,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:47,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678930131] [2019-12-28 04:40:47,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:47,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:40:47,404 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678930131] [2019-12-28 04:40:47,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:47,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:40:47,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [331347814] [2019-12-28 04:40:47,405 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:47,411 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:47,418 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 39 states and 42 transitions. [2019-12-28 04:40:47,419 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:47,419 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:40:47,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:40:47,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:47,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:40:47,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:40:47,420 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 7 states. [2019-12-28 04:40:47,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:47,736 INFO L93 Difference]: Finished difference Result 565 states and 1500 transitions. [2019-12-28 04:40:47,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:40:47,737 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-12-28 04:40:47,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:47,740 INFO L225 Difference]: With dead ends: 565 [2019-12-28 04:40:47,740 INFO L226 Difference]: Without dead ends: 394 [2019-12-28 04:40:47,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-28 04:40:47,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-12-28 04:40:47,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 340. [2019-12-28 04:40:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-12-28 04:40:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 888 transitions. [2019-12-28 04:40:47,756 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 888 transitions. Word has length 34 [2019-12-28 04:40:47,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:47,757 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 888 transitions. [2019-12-28 04:40:47,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:40:47,757 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 888 transitions. [2019-12-28 04:40:47,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:40:47,758 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:47,758 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:40:47,758 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:47,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:47,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1506347884, now seen corresponding path program 2 times [2019-12-28 04:40:47,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:47,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492759893] [2019-12-28 04:40:47,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:47,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:40:47,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492759893] [2019-12-28 04:40:47,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:47,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:40:47,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2091462440] [2019-12-28 04:40:47,972 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:47,977 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:47,984 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 43 states and 50 transitions. [2019-12-28 04:40:47,988 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:48,141 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 04:40:48,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 04:40:48,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:48,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 04:40:48,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:40:48,144 INFO L87 Difference]: Start difference. First operand 340 states and 888 transitions. Second operand 9 states. [2019-12-28 04:40:48,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:48,322 INFO L93 Difference]: Finished difference Result 556 states and 1473 transitions. [2019-12-28 04:40:48,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:40:48,322 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2019-12-28 04:40:48,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:48,326 INFO L225 Difference]: With dead ends: 556 [2019-12-28 04:40:48,327 INFO L226 Difference]: Without dead ends: 334 [2019-12-28 04:40:48,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:40:48,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-12-28 04:40:48,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 325. [2019-12-28 04:40:48,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-12-28 04:40:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 846 transitions. [2019-12-28 04:40:48,343 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 846 transitions. Word has length 34 [2019-12-28 04:40:48,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:48,344 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 846 transitions. [2019-12-28 04:40:48,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-28 04:40:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 846 transitions. [2019-12-28 04:40:48,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:40:48,346 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:48,346 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:40:48,346 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:48,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:48,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1833116096, now seen corresponding path program 3 times [2019-12-28 04:40:48,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:48,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782721967] [2019-12-28 04:40:48,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:40:48,517 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782721967] [2019-12-28 04:40:48,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:48,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:40:48,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1222658754] [2019-12-28 04:40:48,519 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:48,525 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:48,531 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 35 states and 34 transitions. [2019-12-28 04:40:48,531 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:48,533 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:40:48,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:40:48,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:48,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:40:48,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:40:48,534 INFO L87 Difference]: Start difference. First operand 325 states and 846 transitions. Second operand 8 states. [2019-12-28 04:40:48,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:48,642 INFO L93 Difference]: Finished difference Result 487 states and 1305 transitions. [2019-12-28 04:40:48,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:40:48,643 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-28 04:40:48,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:48,645 INFO L225 Difference]: With dead ends: 487 [2019-12-28 04:40:48,646 INFO L226 Difference]: Without dead ends: 313 [2019-12-28 04:40:48,646 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:40:48,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-12-28 04:40:48,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2019-12-28 04:40:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-12-28 04:40:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 816 transitions. [2019-12-28 04:40:48,656 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 816 transitions. Word has length 34 [2019-12-28 04:40:48,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:48,657 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 816 transitions. [2019-12-28 04:40:48,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:40:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 816 transitions. [2019-12-28 04:40:48,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:40:48,658 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:40:48,658 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 04:40:48,658 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:40:48,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:40:48,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1476702554, now seen corresponding path program 4 times [2019-12-28 04:40:48,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:40:48,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558726393] [2019-12-28 04:40:48,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:40:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:40:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:40:48,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558726393] [2019-12-28 04:40:48,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:40:48,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:40:48,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1244145274] [2019-12-28 04:40:48,805 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:40:48,809 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:40:48,817 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 47 states and 58 transitions. [2019-12-28 04:40:48,817 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:40:48,927 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2019-12-28 04:40:48,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-28 04:40:48,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:40:48,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-28 04:40:48,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-28 04:40:48,929 INFO L87 Difference]: Start difference. First operand 313 states and 816 transitions. Second operand 10 states. [2019-12-28 04:40:49,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:40:49,028 INFO L93 Difference]: Finished difference Result 259 states and 654 transitions. [2019-12-28 04:40:49,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:40:49,029 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-12-28 04:40:49,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:40:49,029 INFO L225 Difference]: With dead ends: 259 [2019-12-28 04:40:49,029 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:40:49,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2019-12-28 04:40:49,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:40:49,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:40:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:40:49,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:40:49,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-12-28 04:40:49,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:40:49,031 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:40:49,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-28 04:40:49,031 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:40:49,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:40:49,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:40:49 BasicIcfg [2019-12-28 04:40:49,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:40:49,040 INFO L168 Benchmark]: Toolchain (without parser) took 4842.02 ms. Allocated memory was 145.2 MB in the beginning and 249.6 MB in the end (delta: 104.3 MB). Free memory was 101.9 MB in the beginning and 179.3 MB in the end (delta: -77.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:49,041 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-28 04:40:49,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.43 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.5 MB in the beginning and 158.7 MB in the end (delta: -57.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:49,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.02 ms. Allocated memory is still 202.4 MB. Free memory was 158.7 MB in the beginning and 156.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:49,046 INFO L168 Benchmark]: Boogie Preprocessor took 26.40 ms. Allocated memory is still 202.4 MB. Free memory was 156.7 MB in the beginning and 155.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:49,047 INFO L168 Benchmark]: RCFGBuilder took 477.50 ms. Allocated memory is still 202.4 MB. Free memory was 155.4 MB in the beginning and 134.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:49,052 INFO L168 Benchmark]: TraceAbstraction took 3576.40 ms. Allocated memory was 202.4 MB in the beginning and 249.6 MB in the end (delta: 47.2 MB). Free memory was 134.1 MB in the beginning and 179.3 MB in the end (delta: -45.2 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:40:49,064 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.43 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.5 MB in the beginning and 158.7 MB in the end (delta: -57.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.02 ms. Allocated memory is still 202.4 MB. Free memory was 158.7 MB in the beginning and 156.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.40 ms. Allocated memory is still 202.4 MB. Free memory was 156.7 MB in the beginning and 155.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 477.50 ms. Allocated memory is still 202.4 MB. Free memory was 155.4 MB in the beginning and 134.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3576.40 ms. Allocated memory was 202.4 MB in the beginning and 249.6 MB in the end (delta: 47.2 MB). Free memory was 134.1 MB in the beginning and 179.3 MB in the end (delta: -45.2 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 363 SDtfs, 475 SDslu, 1062 SDs, 0 SdLazy, 191 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 63 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 23817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...