/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/safe009_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 04:31:33,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 04:31:33,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 04:31:33,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 04:31:33,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 04:31:33,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 04:31:33,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 04:31:33,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 04:31:33,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 04:31:33,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 04:31:33,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 04:31:33,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 04:31:33,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 04:31:33,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 04:31:33,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 04:31:33,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 04:31:33,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 04:31:33,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 04:31:33,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 04:31:33,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 04:31:33,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 04:31:33,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 04:31:33,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 04:31:33,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 04:31:33,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 04:31:33,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 04:31:33,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 04:31:33,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 04:31:33,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 04:31:33,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 04:31:33,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 04:31:33,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 04:31:33,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 04:31:33,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 04:31:33,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 04:31:33,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 04:31:33,923 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 04:31:33,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 04:31:33,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 04:31:33,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 04:31:33,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 04:31:33,950 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 04:31:33,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 04:31:33,951 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 04:31:33,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 04:31:33,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 04:31:33,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 04:31:33,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 04:31:33,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 04:31:33,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 04:31:33,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 04:31:33,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 04:31:33,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 04:31:33,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 04:31:33,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 04:31:33,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 04:31:33,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 04:31:33,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 04:31:33,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 04:31:33,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 04:31:33,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 04:31:33,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 04:31:33,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 04:31:33,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 04:31:33,956 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 04:31:33,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 04:31:33,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 04:31:34,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 04:31:34,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 04:31:34,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 04:31:34,298 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 04:31:34,299 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 04:31:34,300 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc.i [2019-12-19 04:31:34,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0be7a0a2/93a0b4205adc489ba3ad62e454bafab8/FLAG702d128ea [2019-12-19 04:31:34,974 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 04:31:34,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc.i [2019-12-19 04:31:34,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0be7a0a2/93a0b4205adc489ba3ad62e454bafab8/FLAG702d128ea [2019-12-19 04:31:35,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0be7a0a2/93a0b4205adc489ba3ad62e454bafab8 [2019-12-19 04:31:35,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 04:31:35,299 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 04:31:35,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 04:31:35,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 04:31:35,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 04:31:35,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:31:35" (1/1) ... [2019-12-19 04:31:35,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ed6805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35, skipping insertion in model container [2019-12-19 04:31:35,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:31:35" (1/1) ... [2019-12-19 04:31:35,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 04:31:35,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 04:31:35,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 04:31:35,856 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 04:31:35,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 04:31:35,989 INFO L208 MainTranslator]: Completed translation [2019-12-19 04:31:35,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35 WrapperNode [2019-12-19 04:31:35,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 04:31:35,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 04:31:35,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 04:31:35,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 04:31:36,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35" (1/1) ... [2019-12-19 04:31:36,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35" (1/1) ... [2019-12-19 04:31:36,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 04:31:36,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 04:31:36,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 04:31:36,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 04:31:36,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35" (1/1) ... [2019-12-19 04:31:36,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35" (1/1) ... [2019-12-19 04:31:36,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35" (1/1) ... [2019-12-19 04:31:36,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35" (1/1) ... [2019-12-19 04:31:36,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35" (1/1) ... [2019-12-19 04:31:36,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35" (1/1) ... [2019-12-19 04:31:36,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35" (1/1) ... [2019-12-19 04:31:36,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 04:31:36,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 04:31:36,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 04:31:36,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 04:31:36,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35" (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 04:31:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 04:31:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 04:31:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 04:31:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 04:31:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 04:31:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 04:31:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 04:31:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 04:31:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-19 04:31:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-19 04:31:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 04:31:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 04:31:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 04:31:36,137 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 04:31:36,540 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 04:31:36,541 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-19 04:31:36,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:31:36 BoogieIcfgContainer [2019-12-19 04:31:36,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 04:31:36,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 04:31:36,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 04:31:36,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 04:31:36,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 04:31:35" (1/3) ... [2019-12-19 04:31:36,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498bc42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:31:36, skipping insertion in model container [2019-12-19 04:31:36,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:31:35" (2/3) ... [2019-12-19 04:31:36,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498bc42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:31:36, skipping insertion in model container [2019-12-19 04:31:36,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:31:36" (3/3) ... [2019-12-19 04:31:36,551 INFO L109 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc.i [2019-12-19 04:31:36,560 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 04:31:36,560 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 04:31:36,567 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-19 04:31:36,568 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 04:31:36,595 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,595 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,595 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,596 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,596 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,596 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,597 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,597 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,597 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,598 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,598 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,599 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,599 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,599 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,599 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,600 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,600 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,600 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,604 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,605 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,605 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,605 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,611 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,612 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,612 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,612 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,620 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,621 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,621 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,621 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 04:31:36,638 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-19 04:31:36,661 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 04:31:36,662 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 04:31:36,662 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 04:31:36,662 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 04:31:36,662 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 04:31:36,663 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 04:31:36,663 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 04:31:36,663 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 04:31:36,677 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 53 transitions [2019-12-19 04:31:36,781 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-12-19 04:31:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-12-19 04:31:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-19 04:31:36,810 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:31:36,811 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 04:31:36,812 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:31:36,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:31:36,818 INFO L82 PathProgramCache]: Analyzing trace with hash -2004494195, now seen corresponding path program 1 times [2019-12-19 04:31:36,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:31:36,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070555876] [2019-12-19 04:31:36,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:31:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:31:37,227 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 04:31:37,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070555876] [2019-12-19 04:31:37,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:31:37,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 04:31:37,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737355519] [2019-12-19 04:31:37,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 04:31:37,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:31:37,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 04:31:37,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 04:31:37,255 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-12-19 04:31:37,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:31:37,390 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-12-19 04:31:37,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-19 04:31:37,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-12-19 04:31:37,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:31:37,439 INFO L225 Difference]: With dead ends: 1294 [2019-12-19 04:31:37,440 INFO L226 Difference]: Without dead ends: 600 [2019-12-19 04:31:37,441 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 04:31:37,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-12-19 04:31:37,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-12-19 04:31:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-12-19 04:31:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-12-19 04:31:37,543 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-12-19 04:31:37,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:31:37,543 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-12-19 04:31:37,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 04:31:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-12-19 04:31:37,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-19 04:31:37,550 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:31:37,550 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 04:31:37,550 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:31:37,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:31:37,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1881606129, now seen corresponding path program 1 times [2019-12-19 04:31:37,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:31:37,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788154176] [2019-12-19 04:31:37,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:31:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:31:37,707 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 04:31:37,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788154176] [2019-12-19 04:31:37,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:31:37,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 04:31:37,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375777982] [2019-12-19 04:31:37,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 04:31:37,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:31:37,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 04:31:37,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-19 04:31:37,713 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-12-19 04:31:37,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:31:37,810 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-12-19 04:31:37,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-19 04:31:37,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-19 04:31:37,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:31:37,824 INFO L225 Difference]: With dead ends: 600 [2019-12-19 04:31:37,824 INFO L226 Difference]: Without dead ends: 537 [2019-12-19 04:31:37,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-19 04:31:37,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-12-19 04:31:37,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-12-19 04:31:37,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-12-19 04:31:37,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-12-19 04:31:37,890 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-12-19 04:31:37,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:31:37,891 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-12-19 04:31:37,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 04:31:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-12-19 04:31:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-19 04:31:37,893 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:31:37,893 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 04:31:37,894 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:31:37,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:31:37,894 INFO L82 PathProgramCache]: Analyzing trace with hash 60996499, now seen corresponding path program 1 times [2019-12-19 04:31:37,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:31:37,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095509102] [2019-12-19 04:31:37,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:31:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:31:38,023 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 04:31:38,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095509102] [2019-12-19 04:31:38,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:31:38,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 04:31:38,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606134571] [2019-12-19 04:31:38,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 04:31:38,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:31:38,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 04:31:38,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-19 04:31:38,028 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-12-19 04:31:38,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:31:38,130 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-12-19 04:31:38,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 04:31:38,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-12-19 04:31:38,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:31:38,134 INFO L225 Difference]: With dead ends: 402 [2019-12-19 04:31:38,134 INFO L226 Difference]: Without dead ends: 348 [2019-12-19 04:31:38,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-19 04:31:38,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-12-19 04:31:38,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-12-19 04:31:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-12-19 04:31:38,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-12-19 04:31:38,148 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-12-19 04:31:38,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:31:38,148 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-12-19 04:31:38,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 04:31:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-12-19 04:31:38,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-19 04:31:38,150 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:31:38,150 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 04:31:38,150 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:31:38,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:31:38,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1085599532, now seen corresponding path program 1 times [2019-12-19 04:31:38,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:31:38,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584256488] [2019-12-19 04:31:38,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:31:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:31:38,297 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 04:31:38,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584256488] [2019-12-19 04:31:38,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:31:38,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 04:31:38,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417860473] [2019-12-19 04:31:38,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 04:31:38,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:31:38,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 04:31:38,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 04:31:38,300 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 6 states. [2019-12-19 04:31:38,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:31:38,425 INFO L93 Difference]: Finished difference Result 564 states and 1499 transitions. [2019-12-19 04:31:38,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-19 04:31:38,426 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-19 04:31:38,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:31:38,429 INFO L225 Difference]: With dead ends: 564 [2019-12-19 04:31:38,429 INFO L226 Difference]: Without dead ends: 393 [2019-12-19 04:31:38,430 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-19 04:31:38,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-12-19 04:31:38,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 339. [2019-12-19 04:31:38,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-12-19 04:31:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 887 transitions. [2019-12-19 04:31:38,444 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 887 transitions. Word has length 33 [2019-12-19 04:31:38,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:31:38,445 INFO L462 AbstractCegarLoop]: Abstraction has 339 states and 887 transitions. [2019-12-19 04:31:38,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 04:31:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 887 transitions. [2019-12-19 04:31:38,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-19 04:31:38,447 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:31:38,447 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 04:31:38,447 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:31:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:31:38,448 INFO L82 PathProgramCache]: Analyzing trace with hash -975260270, now seen corresponding path program 2 times [2019-12-19 04:31:38,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:31:38,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483901524] [2019-12-19 04:31:38,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:31:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:31:38,620 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 04:31:38,621 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483901524] [2019-12-19 04:31:38,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:31:38,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 04:31:38,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469496321] [2019-12-19 04:31:38,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 04:31:38,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:31:38,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 04:31:38,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-19 04:31:38,623 INFO L87 Difference]: Start difference. First operand 339 states and 887 transitions. Second operand 7 states. [2019-12-19 04:31:38,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:31:38,764 INFO L93 Difference]: Finished difference Result 510 states and 1367 transitions. [2019-12-19 04:31:38,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 04:31:38,764 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-19 04:31:38,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:31:38,769 INFO L225 Difference]: With dead ends: 510 [2019-12-19 04:31:38,769 INFO L226 Difference]: Without dead ends: 336 [2019-12-19 04:31:38,770 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-19 04:31:38,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2019-12-19 04:31:38,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2019-12-19 04:31:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-12-19 04:31:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 881 transitions. [2019-12-19 04:31:38,783 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 881 transitions. Word has length 33 [2019-12-19 04:31:38,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:31:38,784 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 881 transitions. [2019-12-19 04:31:38,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 04:31:38,785 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 881 transitions. [2019-12-19 04:31:38,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-19 04:31:38,787 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:31:38,789 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 04:31:38,791 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:31:38,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:31:38,794 INFO L82 PathProgramCache]: Analyzing trace with hash 2070748178, now seen corresponding path program 3 times [2019-12-19 04:31:38,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:31:38,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884864631] [2019-12-19 04:31:38,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:31:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:31:38,913 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 04:31:38,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884864631] [2019-12-19 04:31:38,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:31:38,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 04:31:38,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173471574] [2019-12-19 04:31:38,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 04:31:38,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:31:38,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 04:31:38,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 04:31:38,915 INFO L87 Difference]: Start difference. First operand 336 states and 881 transitions. Second operand 7 states. [2019-12-19 04:31:39,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:31:39,032 INFO L93 Difference]: Finished difference Result 543 states and 1445 transitions. [2019-12-19 04:31:39,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 04:31:39,033 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-19 04:31:39,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:31:39,035 INFO L225 Difference]: With dead ends: 543 [2019-12-19 04:31:39,035 INFO L226 Difference]: Without dead ends: 309 [2019-12-19 04:31:39,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-19 04:31:39,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2019-12-19 04:31:39,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2019-12-19 04:31:39,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-12-19 04:31:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 815 transitions. [2019-12-19 04:31:39,046 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 815 transitions. Word has length 33 [2019-12-19 04:31:39,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:31:39,047 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 815 transitions. [2019-12-19 04:31:39,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 04:31:39,047 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 815 transitions. [2019-12-19 04:31:39,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-19 04:31:39,048 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 04:31:39,048 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 04:31:39,048 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 04:31:39,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 04:31:39,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1513115848, now seen corresponding path program 4 times [2019-12-19 04:31:39,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 04:31:39,049 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54748958] [2019-12-19 04:31:39,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 04:31:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 04:31:39,171 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 04:31:39,172 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54748958] [2019-12-19 04:31:39,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 04:31:39,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 04:31:39,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789990261] [2019-12-19 04:31:39,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 04:31:39,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 04:31:39,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 04:31:39,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 04:31:39,175 INFO L87 Difference]: Start difference. First operand 309 states and 815 transitions. Second operand 7 states. [2019-12-19 04:31:39,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 04:31:39,262 INFO L93 Difference]: Finished difference Result 255 states and 653 transitions. [2019-12-19 04:31:39,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 04:31:39,262 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-12-19 04:31:39,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 04:31:39,263 INFO L225 Difference]: With dead ends: 255 [2019-12-19 04:31:39,263 INFO L226 Difference]: Without dead ends: 0 [2019-12-19 04:31:39,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-19 04:31:39,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-19 04:31:39,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-19 04:31:39,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-19 04:31:39,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-19 04:31:39,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-12-19 04:31:39,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 04:31:39,265 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-19 04:31:39,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 04:31:39,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-19 04:31:39,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-19 04:31:39,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 04:31:39 BasicIcfg [2019-12-19 04:31:39,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 04:31:39,275 INFO L168 Benchmark]: Toolchain (without parser) took 3974.66 ms. Allocated memory was 141.6 MB in the beginning and 252.7 MB in the end (delta: 111.1 MB). Free memory was 99.5 MB in the beginning and 149.1 MB in the end (delta: -49.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 7.1 GB. [2019-12-19 04:31:39,282 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 141.6 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-19 04:31:39,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.49 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 99.1 MB in the beginning and 158.1 MB in the end (delta: -59.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-12-19 04:31:39,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.32 ms. Allocated memory is still 201.3 MB. Free memory was 158.1 MB in the beginning and 156.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-19 04:31:39,285 INFO L168 Benchmark]: Boogie Preprocessor took 25.99 ms. Allocated memory is still 201.3 MB. Free memory was 156.2 MB in the beginning and 154.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-19 04:31:39,286 INFO L168 Benchmark]: RCFGBuilder took 477.51 ms. Allocated memory is still 201.3 MB. Free memory was 154.8 MB in the beginning and 134.4 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-19 04:31:39,290 INFO L168 Benchmark]: TraceAbstraction took 2728.15 ms. Allocated memory was 201.3 MB in the beginning and 252.7 MB in the end (delta: 51.4 MB). Free memory was 134.4 MB in the beginning and 149.1 MB in the end (delta: -14.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2019-12-19 04:31:39,299 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 141.6 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.49 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 99.1 MB in the beginning and 158.1 MB in the end (delta: -59.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.32 ms. Allocated memory is still 201.3 MB. Free memory was 158.1 MB in the beginning and 156.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.99 ms. Allocated memory is still 201.3 MB. Free memory was 156.2 MB in the beginning and 154.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 477.51 ms. Allocated memory is still 201.3 MB. Free memory was 154.8 MB in the beginning and 134.4 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2728.15 ms. Allocated memory was 201.3 MB in the beginning and 252.7 MB in the end (delta: 51.4 MB). Free memory was 134.4 MB in the beginning and 149.1 MB in the end (delta: -14.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 338 SDtfs, 420 SDslu, 902 SDs, 0 SdLazy, 136 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 54 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 19546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...