/usr/bin/java -Xmx16000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 15:12:18,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 15:12:18,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 15:12:18,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 15:12:18,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 15:12:18,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 15:12:18,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 15:12:18,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 15:12:18,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 15:12:18,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 15:12:18,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 15:12:18,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 15:12:18,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 15:12:18,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 15:12:18,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 15:12:18,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 15:12:18,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 15:12:18,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 15:12:18,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 15:12:18,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 15:12:18,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 15:12:18,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 15:12:18,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 15:12:18,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 15:12:18,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 15:12:18,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 15:12:18,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 15:12:18,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 15:12:18,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 15:12:18,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 15:12:18,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 15:12:18,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 15:12:18,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 15:12:18,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 15:12:18,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 15:12:18,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 15:12:18,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 15:12:18,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 15:12:18,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 15:12:18,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 15:12:18,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 15:12:18,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 15:12:18,916 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 15:12:18,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 15:12:18,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 15:12:18,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 15:12:18,918 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 15:12:18,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 15:12:18,918 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 15:12:18,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 15:12:18,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 15:12:18,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 15:12:18,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 15:12:18,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 15:12:18,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 15:12:18,920 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 15:12:18,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 15:12:18,920 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 15:12:18,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 15:12:18,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 15:12:18,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 15:12:18,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 15:12:18,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 15:12:18,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 15:12:18,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 15:12:18,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 15:12:18,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 15:12:18,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 15:12:18,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 15:12:18,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 15:12:18,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 15:12:18,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 15:12:19,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 15:12:19,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 15:12:19,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 15:12:19,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 15:12:19,271 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 15:12:19,272 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i [2020-10-11 15:12:19,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3d6b7d7e/7a5399511bff4eff970fd708d5136867/FLAGd1dd16a99 [2020-10-11 15:12:19,904 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 15:12:19,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin001_pso.oepc.i [2020-10-11 15:12:19,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3d6b7d7e/7a5399511bff4eff970fd708d5136867/FLAGd1dd16a99 [2020-10-11 15:12:20,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3d6b7d7e/7a5399511bff4eff970fd708d5136867 [2020-10-11 15:12:20,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 15:12:20,204 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 15:12:20,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 15:12:20,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 15:12:20,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 15:12:20,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:12:20" (1/1) ... [2020-10-11 15:12:20,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416d0f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20, skipping insertion in model container [2020-10-11 15:12:20,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:12:20" (1/1) ... [2020-10-11 15:12:20,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 15:12:20,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 15:12:20,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:12:20,741 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 15:12:20,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 15:12:20,907 INFO L208 MainTranslator]: Completed translation [2020-10-11 15:12:20,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20 WrapperNode [2020-10-11 15:12:20,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 15:12:20,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 15:12:20,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 15:12:20,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 15:12:20,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20" (1/1) ... [2020-10-11 15:12:20,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20" (1/1) ... [2020-10-11 15:12:20,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 15:12:20,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 15:12:20,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 15:12:20,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 15:12:20,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20" (1/1) ... [2020-10-11 15:12:20,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20" (1/1) ... [2020-10-11 15:12:20,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20" (1/1) ... [2020-10-11 15:12:20,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20" (1/1) ... [2020-10-11 15:12:20,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20" (1/1) ... [2020-10-11 15:12:20,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20" (1/1) ... [2020-10-11 15:12:20,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20" (1/1) ... [2020-10-11 15:12:20,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 15:12:20,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 15:12:20,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 15:12:20,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 15:12:20,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20" (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 [2020-10-11 15:12:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 15:12:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 15:12:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 15:12:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 15:12:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 15:12:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 15:12:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 15:12:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 15:12:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-11 15:12:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-11 15:12:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 15:12:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 15:12:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 15:12:21,065 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 15:12:21,401 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 15:12:21,401 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-11 15:12:21,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:12:21 BoogieIcfgContainer [2020-10-11 15:12:21,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 15:12:21,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 15:12:21,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 15:12:21,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 15:12:21,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:12:20" (1/3) ... [2020-10-11 15:12:21,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645aaa27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:12:21, skipping insertion in model container [2020-10-11 15:12:21,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:20" (2/3) ... [2020-10-11 15:12:21,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645aaa27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:12:21, skipping insertion in model container [2020-10-11 15:12:21,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:12:21" (3/3) ... [2020-10-11 15:12:21,419 INFO L111 eAbstractionObserver]: Analyzing ICFG thin001_pso.oepc.i [2020-10-11 15:12:21,427 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 15:12:21,427 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 15:12:21,433 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 15:12:21,434 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 15:12:21,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,488 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,490 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,493 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,493 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,501 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,504 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,504 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,513 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,514 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,518 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,518 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 15:12:21,536 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-11 15:12:21,555 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 15:12:21,555 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 15:12:21,555 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 15:12:21,555 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 15:12:21,555 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 15:12:21,555 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 15:12:21,555 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 15:12:21,556 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 15:12:21,568 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 15:12:21,571 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-11 15:12:21,574 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-11 15:12:21,576 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-11 15:12:21,623 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-11 15:12:21,623 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 15:12:21,629 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-11 15:12:21,632 INFO L117 LiptonReduction]: Number of co-enabled transitions 1260 [2020-10-11 15:12:23,023 INFO L132 LiptonReduction]: Checked pairs total: 2579 [2020-10-11 15:12:23,023 INFO L134 LiptonReduction]: Total number of compositions: 58 [2020-10-11 15:12:23,030 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-11 15:12:23,059 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-11 15:12:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-11 15:12:23,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-11 15:12:23,070 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:23,071 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:23,071 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:23,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:23,077 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-10-11 15:12:23,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:23,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797755047] [2020-10-11 15:12:23,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:23,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797755047] [2020-10-11 15:12:23,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:23,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:12:23,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525184257] [2020-10-11 15:12:23,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 15:12:23,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:23,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 15:12:23,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 15:12:23,341 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-11 15:12:23,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:23,399 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-11 15:12:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 15:12:23,401 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-11 15:12:23,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:23,433 INFO L225 Difference]: With dead ends: 362 [2020-10-11 15:12:23,433 INFO L226 Difference]: Without dead ends: 298 [2020-10-11 15:12:23,435 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 15:12:23,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-11 15:12:23,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-11 15:12:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-11 15:12:23,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-11 15:12:23,547 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-11 15:12:23,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:23,550 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-11 15:12:23,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 15:12:23,550 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-11 15:12:23,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-11 15:12:23,553 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:23,553 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:23,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 15:12:23,554 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:23,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:23,554 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-10-11 15:12:23,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:23,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688138350] [2020-10-11 15:12:23,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:23,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:23,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688138350] [2020-10-11 15:12:23,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:23,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 15:12:23,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053647946] [2020-10-11 15:12:23,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 15:12:23,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:23,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 15:12:23,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 15:12:23,718 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-10-11 15:12:23,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:23,753 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-10-11 15:12:23,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 15:12:23,754 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-11 15:12:23,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:23,756 INFO L225 Difference]: With dead ends: 330 [2020-10-11 15:12:23,757 INFO L226 Difference]: Without dead ends: 266 [2020-10-11 15:12:23,758 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:12:23,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-11 15:12:23,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-11 15:12:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-11 15:12:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-10-11 15:12:23,772 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-10-11 15:12:23,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:23,773 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-10-11 15:12:23,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 15:12:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-10-11 15:12:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-11 15:12:23,775 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:23,775 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:23,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 15:12:23,775 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:23,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:23,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1226466257, now seen corresponding path program 1 times [2020-10-11 15:12:23,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:23,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082518649] [2020-10-11 15:12:23,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:23,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:23,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082518649] [2020-10-11 15:12:23,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:23,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:12:23,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651637194] [2020-10-11 15:12:23,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:12:23,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:23,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:12:23,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:12:23,876 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 5 states. [2020-10-11 15:12:23,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:23,961 INFO L93 Difference]: Finished difference Result 326 states and 882 transitions. [2020-10-11 15:12:23,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:12:23,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-11 15:12:23,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:23,967 INFO L225 Difference]: With dead ends: 326 [2020-10-11 15:12:23,968 INFO L226 Difference]: Without dead ends: 158 [2020-10-11 15:12:23,968 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-11 15:12:23,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-11 15:12:23,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-10-11 15:12:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-11 15:12:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 396 transitions. [2020-10-11 15:12:23,976 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 396 transitions. Word has length 10 [2020-10-11 15:12:23,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:23,979 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 396 transitions. [2020-10-11 15:12:23,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:12:23,979 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 396 transitions. [2020-10-11 15:12:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-11 15:12:23,981 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:23,982 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:23,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 15:12:23,982 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:23,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:23,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1670897012, now seen corresponding path program 1 times [2020-10-11 15:12:23,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:23,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236642534] [2020-10-11 15:12:23,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:24,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:24,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236642534] [2020-10-11 15:12:24,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:24,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:12:24,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976947371] [2020-10-11 15:12:24,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:12:24,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:24,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:12:24,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:12:24,090 INFO L87 Difference]: Start difference. First operand 158 states and 396 transitions. Second operand 5 states. [2020-10-11 15:12:24,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:24,147 INFO L93 Difference]: Finished difference Result 194 states and 470 transitions. [2020-10-11 15:12:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:12:24,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-11 15:12:24,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:24,149 INFO L225 Difference]: With dead ends: 194 [2020-10-11 15:12:24,149 INFO L226 Difference]: Without dead ends: 74 [2020-10-11 15:12:24,149 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-11 15:12:24,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-11 15:12:24,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-11 15:12:24,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-11 15:12:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 164 transitions. [2020-10-11 15:12:24,152 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 164 transitions. Word has length 12 [2020-10-11 15:12:24,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:24,153 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 164 transitions. [2020-10-11 15:12:24,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:12:24,153 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2020-10-11 15:12:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 15:12:24,154 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 15:12:24,154 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 15:12:24,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 15:12:24,154 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 15:12:24,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 15:12:24,155 INFO L82 PathProgramCache]: Analyzing trace with hash -2118870046, now seen corresponding path program 1 times [2020-10-11 15:12:24,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 15:12:24,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12315803] [2020-10-11 15:12:24,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 15:12:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 15:12:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 15:12:24,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12315803] [2020-10-11 15:12:24,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 15:12:24,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 15:12:24,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722545425] [2020-10-11 15:12:24,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 15:12:24,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 15:12:24,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 15:12:24,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 15:12:24,211 INFO L87 Difference]: Start difference. First operand 74 states and 164 transitions. Second operand 5 states. [2020-10-11 15:12:24,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 15:12:24,248 INFO L93 Difference]: Finished difference Result 62 states and 132 transitions. [2020-10-11 15:12:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 15:12:24,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-11 15:12:24,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 15:12:24,249 INFO L225 Difference]: With dead ends: 62 [2020-10-11 15:12:24,249 INFO L226 Difference]: Without dead ends: 0 [2020-10-11 15:12:24,250 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-11 15:12:24,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-11 15:12:24,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-11 15:12:24,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-11 15:12:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-11 15:12:24,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-11 15:12:24,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 15:12:24,251 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-11 15:12:24,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 15:12:24,251 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-11 15:12:24,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-11 15:12:24,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 15:12:24,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 03:12:24 BasicIcfg [2020-10-11 15:12:24,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 15:12:24,258 INFO L168 Benchmark]: Toolchain (without parser) took 4053.49 ms. Allocated memory was 249.0 MB in the beginning and 368.1 MB in the end (delta: 119.0 MB). Free memory was 204.1 MB in the beginning and 300.9 MB in the end (delta: -96.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 14.2 GB. [2020-10-11 15:12:24,259 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 15:12:24,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.33 ms. Allocated memory was 249.0 MB in the beginning and 307.2 MB in the end (delta: 58.2 MB). Free memory was 204.1 MB in the beginning and 260.6 MB in the end (delta: -56.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.2 GB. [2020-10-11 15:12:24,261 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.57 ms. Allocated memory is still 307.2 MB. Free memory was 260.6 MB in the beginning and 258.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 15:12:24,262 INFO L168 Benchmark]: Boogie Preprocessor took 26.93 ms. Allocated memory is still 307.2 MB. Free memory was 258.1 MB in the beginning and 255.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 15:12:24,262 INFO L168 Benchmark]: RCFGBuilder took 411.38 ms. Allocated memory is still 307.2 MB. Free memory was 255.6 MB in the beginning and 233.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 14.2 GB. [2020-10-11 15:12:24,263 INFO L168 Benchmark]: TraceAbstraction took 2843.75 ms. Allocated memory was 307.2 MB in the beginning and 368.1 MB in the end (delta: 60.8 MB). Free memory was 233.7 MB in the beginning and 300.9 MB in the end (delta: -67.2 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 15:12:24,267 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 703.33 ms. Allocated memory was 249.0 MB in the beginning and 307.2 MB in the end (delta: 58.2 MB). Free memory was 204.1 MB in the beginning and 260.6 MB in the end (delta: -56.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 54.57 ms. Allocated memory is still 307.2 MB. Free memory was 260.6 MB in the beginning and 258.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 26.93 ms. Allocated memory is still 307.2 MB. Free memory was 258.1 MB in the beginning and 255.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 411.38 ms. Allocated memory is still 307.2 MB. Free memory was 255.6 MB in the beginning and 233.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2843.75 ms. Allocated memory was 307.2 MB in the beginning and 368.1 MB in the end (delta: 60.8 MB). Free memory was 233.7 MB in the beginning and 300.9 MB in the end (delta: -67.2 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 879 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 81 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 79 PlacesBefore, 32 PlacesAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 58 TotalNumberOfCompositions, 2579 MoverChecksTotal - PositiveResult [Line: 7]: 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 110 SDtfs, 125 SDslu, 139 SDs, 0 SdLazy, 34 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1600 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...