/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.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:33:39,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:33:39,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:33:39,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:33:39,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:33:39,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:33:39,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:33:39,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:33:39,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:33:39,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:33:40,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:33:40,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:33:40,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:33:40,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:33:40,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:33:40,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:33:40,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:33:40,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:33:40,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:33:40,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:33:40,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:33:40,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:33:40,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:33:40,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:33:40,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 05:33:40,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:33:40,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:33:40,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:33:40,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:33:40,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:33:40,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:33:40,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:33:40,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:33:40,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:33:40,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:33:40,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:33:40,031 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.epf [2019-12-19 05:33:40,045 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:33:40,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:33:40,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:33:40,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:33:40,047 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:33:40,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:33:40,047 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:33:40,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:33:40,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:33:40,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:33:40,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:33:40,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:33:40,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:33:40,049 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:33:40,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:33:40,049 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:33:40,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:33:40,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:33:40,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:33:40,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:33:40,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:33:40,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:33:40,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:33:40,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:33:40,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:33:40,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:33:40,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:33:40,052 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:33:40,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:33:40,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:33:40,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:33:40,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:33:40,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:33:40,349 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:33:40,349 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:33:40,350 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i [2019-12-19 05:33:40,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198731bdc/75b3eb4b9ed24417ae5fe7912c8d9a8f/FLAGf62d32bfa [2019-12-19 05:33:40,992 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:33:40,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i [2019-12-19 05:33:41,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198731bdc/75b3eb4b9ed24417ae5fe7912c8d9a8f/FLAGf62d32bfa [2019-12-19 05:33:41,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198731bdc/75b3eb4b9ed24417ae5fe7912c8d9a8f [2019-12-19 05:33:41,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:33:41,240 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:33:41,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:33:41,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:33:41,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:33:41,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:33:41" (1/1) ... [2019-12-19 05:33:41,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637331f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41, skipping insertion in model container [2019-12-19 05:33:41,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:33:41" (1/1) ... [2019-12-19 05:33:41,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:33:41,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:33:41,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:33:41,772 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:33:41,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:33:41,903 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:33:41,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41 WrapperNode [2019-12-19 05:33:41,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:33:41,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:33:41,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:33:41,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:33:41,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41" (1/1) ... [2019-12-19 05:33:41,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41" (1/1) ... [2019-12-19 05:33:41,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:33:41,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:33:41,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:33:41,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:33:41,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41" (1/1) ... [2019-12-19 05:33:41,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41" (1/1) ... [2019-12-19 05:33:41,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41" (1/1) ... [2019-12-19 05:33:41,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41" (1/1) ... [2019-12-19 05:33:41,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41" (1/1) ... [2019-12-19 05:33:41,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41" (1/1) ... [2019-12-19 05:33:41,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41" (1/1) ... [2019-12-19 05:33:41,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:33:41,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:33:41,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:33:41,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:33:41,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41" (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 [2019-12-19 05:33:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:33:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 05:33:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:33:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:33:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 05:33:42,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 05:33:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 05:33:42,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 05:33:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 05:33:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:33:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:33:42,056 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 05:33:42,400 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:33:42,401 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-19 05:33:42,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:33:42 BoogieIcfgContainer [2019-12-19 05:33:42,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:33:42,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:33:42,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:33:42,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:33:42,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:33:41" (1/3) ... [2019-12-19 05:33:42,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b544aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:33:42, skipping insertion in model container [2019-12-19 05:33:42,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:33:41" (2/3) ... [2019-12-19 05:33:42,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b544aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:33:42, skipping insertion in model container [2019-12-19 05:33:42,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:33:42" (3/3) ... [2019-12-19 05:33:42,411 INFO L109 eAbstractionObserver]: Analyzing ICFG safe036_power.oepc.i [2019-12-19 05:33:42,422 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:33:42,422 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:33:42,429 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-19 05:33:42,430 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:33:42,457 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,458 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,458 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,458 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,459 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,460 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,460 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,460 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,461 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,461 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,461 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,462 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,466 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,466 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,467 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,467 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,473 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,473 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,473 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,474 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:33:42,490 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-19 05:33:42,508 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:33:42,509 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:33:42,509 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:33:42,509 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:33:42,509 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:33:42,510 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:33:42,510 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:33:42,510 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:33:42,520 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 43 transitions [2019-12-19 05:33:42,548 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 287 states. [2019-12-19 05:33:42,550 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2019-12-19 05:33:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-19 05:33:42,562 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:33:42,563 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] [2019-12-19 05:33:42,563 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:33:42,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:33:42,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1861061719, now seen corresponding path program 1 times [2019-12-19 05:33:42,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:33:42,580 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860805029] [2019-12-19 05:33:42,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:33:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:33:43,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:33:43,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860805029] [2019-12-19 05:33:43,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:33:43,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:33:43,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851094997] [2019-12-19 05:33:43,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:33:43,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:33:43,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:33:43,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:33:43,080 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 4 states. [2019-12-19 05:33:43,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:33:43,160 INFO L93 Difference]: Finished difference Result 288 states and 647 transitions. [2019-12-19 05:33:43,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-19 05:33:43,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-19 05:33:43,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:33:43,191 INFO L225 Difference]: With dead ends: 288 [2019-12-19 05:33:43,191 INFO L226 Difference]: Without dead ends: 152 [2019-12-19 05:33:43,193 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 [2019-12-19 05:33:43,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-12-19 05:33:43,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-12-19 05:33:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-12-19 05:33:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 326 transitions. [2019-12-19 05:33:43,245 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 326 transitions. Word has length 26 [2019-12-19 05:33:43,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:33:43,246 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 326 transitions. [2019-12-19 05:33:43,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:33:43,246 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 326 transitions. [2019-12-19 05:33:43,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-19 05:33:43,248 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:33:43,248 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] [2019-12-19 05:33:43,249 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:33:43,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:33:43,249 INFO L82 PathProgramCache]: Analyzing trace with hash 824016093, now seen corresponding path program 1 times [2019-12-19 05:33:43,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:33:43,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861984979] [2019-12-19 05:33:43,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:33:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:33:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:33:43,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861984979] [2019-12-19 05:33:43,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:33:43,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:33:43,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333656128] [2019-12-19 05:33:43,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:33:43,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:33:43,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:33:43,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:33:43,416 INFO L87 Difference]: Start difference. First operand 152 states and 326 transitions. Second operand 5 states. [2019-12-19 05:33:43,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:33:43,519 INFO L93 Difference]: Finished difference Result 125 states and 242 transitions. [2019-12-19 05:33:43,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-19 05:33:43,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-19 05:33:43,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:33:43,524 INFO L225 Difference]: With dead ends: 125 [2019-12-19 05:33:43,524 INFO L226 Difference]: Without dead ends: 110 [2019-12-19 05:33:43,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:33:43,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-19 05:33:43,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-19 05:33:43,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-19 05:33:43,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 214 transitions. [2019-12-19 05:33:43,548 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 214 transitions. Word has length 27 [2019-12-19 05:33:43,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:33:43,548 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 214 transitions. [2019-12-19 05:33:43,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:33:43,554 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 214 transitions. [2019-12-19 05:33:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-19 05:33:43,555 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:33:43,556 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] [2019-12-19 05:33:43,556 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:33:43,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:33:43,556 INFO L82 PathProgramCache]: Analyzing trace with hash -904453946, now seen corresponding path program 1 times [2019-12-19 05:33:43,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:33:43,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123122998] [2019-12-19 05:33:43,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:33:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:33:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:33:43,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123122998] [2019-12-19 05:33:43,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:33:43,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:33:43,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898533125] [2019-12-19 05:33:43,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:33:43,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:33:43,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:33:43,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:33:43,746 INFO L87 Difference]: Start difference. First operand 110 states and 214 transitions. Second operand 7 states. [2019-12-19 05:33:43,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:33:43,895 INFO L93 Difference]: Finished difference Result 164 states and 331 transitions. [2019-12-19 05:33:43,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 05:33:43,896 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2019-12-19 05:33:43,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:33:43,897 INFO L225 Difference]: With dead ends: 164 [2019-12-19 05:33:43,897 INFO L226 Difference]: Without dead ends: 95 [2019-12-19 05:33:43,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-19 05:33:43,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-12-19 05:33:43,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-12-19 05:33:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-19 05:33:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 184 transitions. [2019-12-19 05:33:43,906 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 184 transitions. Word has length 28 [2019-12-19 05:33:43,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:33:43,907 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 184 transitions. [2019-12-19 05:33:43,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:33:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 184 transitions. [2019-12-19 05:33:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-19 05:33:43,908 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:33:43,909 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] [2019-12-19 05:33:43,909 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:33:43,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:33:43,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1329653548, now seen corresponding path program 2 times [2019-12-19 05:33:43,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:33:43,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110499326] [2019-12-19 05:33:43,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:33:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:33:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:33:44,046 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110499326] [2019-12-19 05:33:44,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:33:44,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:33:44,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944970492] [2019-12-19 05:33:44,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:33:44,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:33:44,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:33:44,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:33:44,049 INFO L87 Difference]: Start difference. First operand 95 states and 184 transitions. Second operand 7 states. [2019-12-19 05:33:44,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:33:44,189 INFO L93 Difference]: Finished difference Result 77 states and 142 transitions. [2019-12-19 05:33:44,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 05:33:44,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2019-12-19 05:33:44,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:33:44,191 INFO L225 Difference]: With dead ends: 77 [2019-12-19 05:33:44,191 INFO L226 Difference]: Without dead ends: 0 [2019-12-19 05:33:44,192 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-19 05:33:44,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-19 05:33:44,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-19 05:33:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-19 05:33:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-19 05:33:44,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-12-19 05:33:44,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:33:44,195 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-19 05:33:44,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:33:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-19 05:33:44,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-19 05:33:44,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:33:44 BasicIcfg [2019-12-19 05:33:44,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:33:44,205 INFO L168 Benchmark]: Toolchain (without parser) took 2964.78 ms. Allocated memory was 144.2 MB in the beginning and 232.8 MB in the end (delta: 88.6 MB). Free memory was 100.6 MB in the beginning and 134.4 MB in the end (delta: -33.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:44,208 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-19 05:33:44,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.33 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.2 MB in the beginning and 159.7 MB in the end (delta: -59.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:44,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.27 ms. Allocated memory is still 202.4 MB. Free memory was 159.7 MB in the beginning and 157.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:44,218 INFO L168 Benchmark]: Boogie Preprocessor took 24.23 ms. Allocated memory is still 202.4 MB. Free memory was 157.6 MB in the beginning and 156.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:44,219 INFO L168 Benchmark]: RCFGBuilder took 421.89 ms. Allocated memory is still 202.4 MB. Free memory was 156.2 MB in the beginning and 137.5 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:44,220 INFO L168 Benchmark]: TraceAbstraction took 1798.58 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 137.5 MB in the beginning and 134.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-12-19 05:33:44,235 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.33 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.2 MB in the beginning and 159.7 MB in the end (delta: -59.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.27 ms. Allocated memory is still 202.4 MB. Free memory was 159.7 MB in the beginning and 157.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.23 ms. Allocated memory is still 202.4 MB. Free memory was 157.6 MB in the beginning and 156.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 421.89 ms. Allocated memory is still 202.4 MB. Free memory was 156.2 MB in the beginning and 137.5 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1798.58 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 137.5 MB in the beginning and 134.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 33.6 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 3 procedures, 43 locations, 1 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 155 SDtfs, 150 SDslu, 398 SDs, 0 SdLazy, 60 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 7653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...