/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 22:52:08,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 22:52:08,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 22:52:08,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 22:52:08,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 22:52:08,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 22:52:08,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 22:52:08,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 22:52:08,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 22:52:08,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 22:52:08,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 22:52:08,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 22:52:08,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 22:52:08,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 22:52:08,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 22:52:08,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 22:52:08,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 22:52:08,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 22:52:08,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 22:52:08,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 22:52:08,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 22:52:08,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 22:52:08,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 22:52:08,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 22:52:08,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 22:52:08,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 22:52:08,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 22:52:08,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 22:52:08,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 22:52:08,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 22:52:08,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 22:52:08,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 22:52:08,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 22:52:08,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 22:52:08,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 22:52:08,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 22:52:08,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 22:52:08,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 22:52:08,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 22:52:08,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 22:52:08,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 22:52:08,988 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-MCR.epf [2019-12-27 22:52:09,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 22:52:09,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 22:52:09,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 22:52:09,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 22:52:09,003 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 22:52:09,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 22:52:09,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 22:52:09,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 22:52:09,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 22:52:09,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 22:52:09,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 22:52:09,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 22:52:09,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 22:52:09,005 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 22:52:09,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 22:52:09,005 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 22:52:09,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 22:52:09,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 22:52:09,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 22:52:09,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 22:52:09,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 22:52:09,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 22:52:09,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 22:52:09,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 22:52:09,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 22:52:09,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 22:52:09,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 22:52:09,008 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 22:52:09,008 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 22:52:09,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 22:52:09,008 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 22:52:09,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 22:52:09,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 22:52:09,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 22:52:09,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 22:52:09,298 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 22:52:09,298 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 22:52:09,299 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i [2019-12-27 22:52:09,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e6fe7068/09ef73388ed74df38ef00e0d2111a032/FLAGde2658469 [2019-12-27 22:52:09,876 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 22:52:09,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_tso.opt.i [2019-12-27 22:52:09,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e6fe7068/09ef73388ed74df38ef00e0d2111a032/FLAGde2658469 [2019-12-27 22:52:10,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e6fe7068/09ef73388ed74df38ef00e0d2111a032 [2019-12-27 22:52:10,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 22:52:10,194 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 22:52:10,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 22:52:10,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 22:52:10,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 22:52:10,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:52:10" (1/1) ... [2019-12-27 22:52:10,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c48b603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10, skipping insertion in model container [2019-12-27 22:52:10,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 10:52:10" (1/1) ... [2019-12-27 22:52:10,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 22:52:10,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 22:52:10,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:52:10,777 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 22:52:10,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 22:52:10,908 INFO L208 MainTranslator]: Completed translation [2019-12-27 22:52:10,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10 WrapperNode [2019-12-27 22:52:10,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 22:52:10,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 22:52:10,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 22:52:10,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 22:52:10,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10" (1/1) ... [2019-12-27 22:52:10,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10" (1/1) ... [2019-12-27 22:52:10,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 22:52:10,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 22:52:10,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 22:52:10,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 22:52:10,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10" (1/1) ... [2019-12-27 22:52:10,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10" (1/1) ... [2019-12-27 22:52:10,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10" (1/1) ... [2019-12-27 22:52:10,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10" (1/1) ... [2019-12-27 22:52:10,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10" (1/1) ... [2019-12-27 22:52:10,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10" (1/1) ... [2019-12-27 22:52:10,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10" (1/1) ... [2019-12-27 22:52:10,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 22:52:10,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 22:52:10,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 22:52:10,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 22:52:10,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 22:52:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 22:52:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 22:52:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 22:52:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 22:52:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 22:52:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 22:52:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 22:52:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 22:52:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 22:52:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 22:52:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-27 22:52:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-27 22:52:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 22:52:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 22:52:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 22:52:11,050 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 22:52:11,424 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 22:52:11,424 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 22:52:11,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:52:11 BoogieIcfgContainer [2019-12-27 22:52:11,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 22:52:11,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 22:52:11,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 22:52:11,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 22:52:11,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 10:52:10" (1/3) ... [2019-12-27 22:52:11,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7d51dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:52:11, skipping insertion in model container [2019-12-27 22:52:11,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 10:52:10" (2/3) ... [2019-12-27 22:52:11,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7d51dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 10:52:11, skipping insertion in model container [2019-12-27 22:52:11,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 10:52:11" (3/3) ... [2019-12-27 22:52:11,433 INFO L109 eAbstractionObserver]: Analyzing ICFG safe027_tso.opt.i [2019-12-27 22:52:11,443 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 22:52:11,444 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 22:52:11,450 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 22:52:11,451 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 22:52:11,480 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,480 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,480 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,481 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,481 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,481 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,482 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,482 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,482 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,483 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,483 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,483 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,484 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,484 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,484 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,484 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,485 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,485 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,485 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,486 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,486 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,486 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,486 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,487 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,491 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,491 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,491 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,491 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,496 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,497 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,497 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,497 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,500 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,501 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,501 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,501 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,505 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,505 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,506 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,506 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 22:52:11,527 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 22:52:11,548 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 22:52:11,548 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 22:52:11,548 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 22:52:11,548 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 22:52:11,548 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 22:52:11,549 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 22:52:11,549 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 22:52:11,549 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 22:52:11,568 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 65 transitions [2019-12-27 22:52:11,570 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 77 places, 65 transitions [2019-12-27 22:52:11,615 INFO L132 PetriNetUnfolder]: 1/61 cut-off events. [2019-12-27 22:52:11,615 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:52:11,621 INFO L76 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 0/59 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 22:52:11,625 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 77 places, 65 transitions [2019-12-27 22:52:11,646 INFO L132 PetriNetUnfolder]: 1/61 cut-off events. [2019-12-27 22:52:11,647 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 22:52:11,648 INFO L76 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 0/59 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 22:52:11,651 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-27 22:52:11,652 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 22:52:13,127 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-12-27 22:52:13,333 INFO L206 etLargeBlockEncoding]: Checked pairs total: 687 [2019-12-27 22:52:13,333 INFO L214 etLargeBlockEncoding]: Total number of compositions: 54 [2019-12-27 22:52:13,339 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions [2019-12-27 22:52:13,365 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 110 states. [2019-12-27 22:52:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2019-12-27 22:52:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 22:52:13,384 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:52:13,385 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:52:13,385 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:52:13,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:52:13,392 INFO L82 PathProgramCache]: Analyzing trace with hash -162708018, now seen corresponding path program 1 times [2019-12-27 22:52:13,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:52:13,404 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930910195] [2019-12-27 22:52:13,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:52:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:52:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:52:13,752 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930910195] [2019-12-27 22:52:13,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:52:13,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 22:52:13,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [927187035] [2019-12-27 22:52:13,754 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:52:13,760 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:52:13,778 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 22:52:13,781 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:52:13,786 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:52:13,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:52:13,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:52:13,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:52:13,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:52:13,804 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 3 states. [2019-12-27 22:52:13,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:52:13,826 INFO L93 Difference]: Finished difference Result 102 states and 260 transitions. [2019-12-27 22:52:13,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:52:13,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 22:52:13,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:52:13,839 INFO L225 Difference]: With dead ends: 102 [2019-12-27 22:52:13,839 INFO L226 Difference]: Without dead ends: 70 [2019-12-27 22:52:13,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:52:13,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-27 22:52:13,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-27 22:52:13,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-27 22:52:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-27 22:52:13,887 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-27 22:52:13,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:52:13,888 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-27 22:52:13,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:52:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-27 22:52:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 22:52:13,889 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:52:13,890 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:52:13,890 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:52:13,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:52:13,890 INFO L82 PathProgramCache]: Analyzing trace with hash -740821623, now seen corresponding path program 1 times [2019-12-27 22:52:13,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:52:13,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61926063] [2019-12-27 22:52:13,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:52:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:52:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:52:13,953 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61926063] [2019-12-27 22:52:13,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:52:13,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:52:13,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [593883600] [2019-12-27 22:52:13,954 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:52:13,955 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:52:13,958 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 15 transitions. [2019-12-27 22:52:13,958 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:52:13,959 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:52:13,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:52:13,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:52:13,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:52:13,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:52:13,961 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-27 22:52:13,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:52:13,988 INFO L93 Difference]: Finished difference Result 78 states and 170 transitions. [2019-12-27 22:52:13,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 22:52:13,988 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 22:52:13,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:52:13,989 INFO L225 Difference]: With dead ends: 78 [2019-12-27 22:52:13,989 INFO L226 Difference]: Without dead ends: 54 [2019-12-27 22:52:13,990 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:52:13,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-27 22:52:13,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-27 22:52:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-27 22:52:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 110 transitions. [2019-12-27 22:52:13,998 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 110 transitions. Word has length 11 [2019-12-27 22:52:13,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:52:13,999 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 110 transitions. [2019-12-27 22:52:13,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:52:13,999 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 110 transitions. [2019-12-27 22:52:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 22:52:14,000 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:52:14,000 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:52:14,000 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:52:14,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:52:14,001 INFO L82 PathProgramCache]: Analyzing trace with hash -519872831, now seen corresponding path program 1 times [2019-12-27 22:52:14,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:52:14,001 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303167670] [2019-12-27 22:52:14,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:52:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:52:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:52:14,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303167670] [2019-12-27 22:52:14,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:52:14,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 22:52:14,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1739645800] [2019-12-27 22:52:14,054 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:52:14,056 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:52:14,058 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 19 states and 24 transitions. [2019-12-27 22:52:14,059 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:52:14,059 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:52:14,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 22:52:14,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:52:14,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 22:52:14,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:52:14,060 INFO L87 Difference]: Start difference. First operand 54 states and 110 transitions. Second operand 3 states. [2019-12-27 22:52:14,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:52:14,068 INFO L93 Difference]: Finished difference Result 52 states and 105 transitions. [2019-12-27 22:52:14,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 22:52:14,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-27 22:52:14,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:52:14,069 INFO L225 Difference]: With dead ends: 52 [2019-12-27 22:52:14,069 INFO L226 Difference]: Without dead ends: 52 [2019-12-27 22:52:14,070 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 22:52:14,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-27 22:52:14,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-27 22:52:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-27 22:52:14,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 105 transitions. [2019-12-27 22:52:14,076 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 105 transitions. Word has length 12 [2019-12-27 22:52:14,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:52:14,076 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 105 transitions. [2019-12-27 22:52:14,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 22:52:14,076 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2019-12-27 22:52:14,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 22:52:14,077 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:52:14,077 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:52:14,078 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:52:14,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:52:14,078 INFO L82 PathProgramCache]: Analyzing trace with hash -349293673, now seen corresponding path program 1 times [2019-12-27 22:52:14,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:52:14,079 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931285181] [2019-12-27 22:52:14,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:52:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:52:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:52:14,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931285181] [2019-12-27 22:52:14,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:52:14,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 22:52:14,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1574925057] [2019-12-27 22:52:14,168 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:52:14,174 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:52:14,179 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 26 states and 37 transitions. [2019-12-27 22:52:14,180 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:52:14,223 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 22:52:14,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 22:52:14,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:52:14,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 22:52:14,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:52:14,225 INFO L87 Difference]: Start difference. First operand 52 states and 105 transitions. Second operand 5 states. [2019-12-27 22:52:14,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:52:14,254 INFO L93 Difference]: Finished difference Result 57 states and 110 transitions. [2019-12-27 22:52:14,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 22:52:14,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-12-27 22:52:14,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:52:14,256 INFO L225 Difference]: With dead ends: 57 [2019-12-27 22:52:14,256 INFO L226 Difference]: Without dead ends: 33 [2019-12-27 22:52:14,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 22:52:14,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-27 22:52:14,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-27 22:52:14,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-27 22:52:14,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 54 transitions. [2019-12-27 22:52:14,260 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 54 transitions. Word has length 13 [2019-12-27 22:52:14,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:52:14,261 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 54 transitions. [2019-12-27 22:52:14,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 22:52:14,261 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2019-12-27 22:52:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 22:52:14,261 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:52:14,262 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:52:14,262 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:52:14,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:52:14,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1381593674, now seen corresponding path program 1 times [2019-12-27 22:52:14,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:52:14,263 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554442582] [2019-12-27 22:52:14,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:52:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:52:14,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:52:14,337 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554442582] [2019-12-27 22:52:14,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:52:14,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 22:52:14,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1292154378] [2019-12-27 22:52:14,338 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:52:14,342 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:52:14,346 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 21 states and 26 transitions. [2019-12-27 22:52:14,347 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:52:14,347 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:52:14,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:52:14,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:52:14,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:52:14,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:52:14,349 INFO L87 Difference]: Start difference. First operand 33 states and 54 transitions. Second operand 4 states. [2019-12-27 22:52:14,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:52:14,376 INFO L93 Difference]: Finished difference Result 37 states and 58 transitions. [2019-12-27 22:52:14,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 22:52:14,377 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-27 22:52:14,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:52:14,377 INFO L225 Difference]: With dead ends: 37 [2019-12-27 22:52:14,378 INFO L226 Difference]: Without dead ends: 19 [2019-12-27 22:52:14,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 22:52:14,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-27 22:52:14,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-27 22:52:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-27 22:52:14,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-12-27 22:52:14,380 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2019-12-27 22:52:14,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:52:14,381 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-12-27 22:52:14,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:52:14,381 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-12-27 22:52:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 22:52:14,382 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 22:52:14,382 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 22:52:14,382 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 22:52:14,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 22:52:14,382 INFO L82 PathProgramCache]: Analyzing trace with hash -554728090, now seen corresponding path program 2 times [2019-12-27 22:52:14,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 22:52:14,383 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415164660] [2019-12-27 22:52:14,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 22:52:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 22:52:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 22:52:14,423 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415164660] [2019-12-27 22:52:14,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 22:52:14,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 22:52:14,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [958585164] [2019-12-27 22:52:14,425 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 22:52:14,426 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 22:52:14,430 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 14 transitions. [2019-12-27 22:52:14,430 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 22:52:14,431 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 22:52:14,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 22:52:14,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 22:52:14,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 22:52:14,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 22:52:14,432 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 4 states. [2019-12-27 22:52:14,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 22:52:14,450 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-12-27 22:52:14,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 22:52:14,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-27 22:52:14,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 22:52:14,451 INFO L225 Difference]: With dead ends: 18 [2019-12-27 22:52:14,451 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 22:52:14,451 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 [2019-12-27 22:52:14,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 22:52:14,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 22:52:14,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 22:52:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 22:52:14,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-27 22:52:14,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 22:52:14,453 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 22:52:14,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 22:52:14,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 22:52:14,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 22:52:14,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 10:52:14 BasicIcfg [2019-12-27 22:52:14,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 22:52:14,466 INFO L168 Benchmark]: Toolchain (without parser) took 4270.79 ms. Allocated memory was 143.1 MB in the beginning and 250.6 MB in the end (delta: 107.5 MB). Free memory was 99.4 MB in the beginning and 102.4 MB in the end (delta: -2.9 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. [2019-12-27 22:52:14,467 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 22:52:14,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.09 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 99.2 MB in the beginning and 155.4 MB in the end (delta: -56.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-12-27 22:52:14,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.56 ms. Allocated memory is still 200.8 MB. Free memory was 155.4 MB in the beginning and 153.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-12-27 22:52:14,473 INFO L168 Benchmark]: Boogie Preprocessor took 25.98 ms. Allocated memory is still 200.8 MB. Free memory was 153.2 MB in the beginning and 151.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 22:52:14,476 INFO L168 Benchmark]: RCFGBuilder took 442.26 ms. Allocated memory is still 200.8 MB. Free memory was 151.8 MB in the beginning and 128.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-12-27 22:52:14,477 INFO L168 Benchmark]: TraceAbstraction took 3035.10 ms. Allocated memory was 200.8 MB in the beginning and 250.6 MB in the end (delta: 49.8 MB). Free memory was 128.2 MB in the beginning and 102.4 MB in the end (delta: 25.8 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. [2019-12-27 22:52:14,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.09 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 99.2 MB in the beginning and 155.4 MB in the end (delta: -56.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.56 ms. Allocated memory is still 200.8 MB. Free memory was 155.4 MB in the beginning and 153.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.98 ms. Allocated memory is still 200.8 MB. Free memory was 153.2 MB in the beginning and 151.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 442.26 ms. Allocated memory is still 200.8 MB. Free memory was 151.8 MB in the beginning and 128.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3035.10 ms. Allocated memory was 200.8 MB in the beginning and 250.6 MB in the end (delta: 49.8 MB). Free memory was 128.2 MB in the beginning and 102.4 MB in the end (delta: 25.8 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 77 ProgramPointsBefore, 28 ProgramPointsAfterwards, 65 TransitionsBefore, 21 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 361 VarBasedMoverChecksPositive, 11 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 687 CheckedPairsTotal, 54 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 65 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 86 SDtfs, 45 SDslu, 82 SDs, 0 SdLazy, 36 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 2014 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...