/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix003.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 11:31:14,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 11:31:14,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 11:31:14,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 11:31:14,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 11:31:14,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 11:31:14,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 11:31:14,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 11:31:14,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 11:31:14,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 11:31:14,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 11:31:14,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 11:31:14,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 11:31:14,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 11:31:14,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 11:31:14,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 11:31:14,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 11:31:14,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 11:31:14,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 11:31:14,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 11:31:14,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 11:31:14,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 11:31:14,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 11:31:14,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 11:31:14,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 11:31:14,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 11:31:14,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 11:31:14,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 11:31:14,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 11:31:14,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 11:31:14,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 11:31:14,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 11:31:14,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 11:31:14,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 11:31:14,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 11:31:14,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 11:31:14,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 11:31:14,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 11:31:14,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 11:31:14,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 11:31:14,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 11:31:14,806 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-PN-NoLbe.epf [2022-09-16 11:31:14,823 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 11:31:14,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 11:31:14,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 11:31:14,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 11:31:14,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 11:31:14,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 11:31:14,825 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 11:31:14,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 11:31:14,825 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 11:31:14,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 11:31:14,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 11:31:14,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 11:31:14,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 11:31:14,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 11:31:14,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 11:31:14,826 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 11:31:14,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 11:31:14,826 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 11:31:14,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 11:31:14,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 11:31:14,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 11:31:14,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 11:31:14,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 11:31:14,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:31:14,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 11:31:14,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 11:31:14,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 11:31:14,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 11:31:14,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 11:31:14,831 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 11:31:14,831 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-16 11:31:14,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 11:31:15,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 11:31:15,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 11:31:15,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 11:31:15,039 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 11:31:15,039 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 11:31:15,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix003.oepc.i [2022-09-16 11:31:15,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e28b8768/eb911942e712463c86227801ac8e376d/FLAG4b86bc09e [2022-09-16 11:31:15,625 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 11:31:15,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix003.oepc.i [2022-09-16 11:31:15,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e28b8768/eb911942e712463c86227801ac8e376d/FLAG4b86bc09e [2022-09-16 11:31:16,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e28b8768/eb911942e712463c86227801ac8e376d [2022-09-16 11:31:16,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 11:31:16,158 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 11:31:16,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 11:31:16,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 11:31:16,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 11:31:16,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7413cd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16, skipping insertion in model container [2022-09-16 11:31:16,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 11:31:16,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 11:31:16,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix003.oepc.i[945,958] [2022-09-16 11:31:16,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:31:16,558 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 11:31:16,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix003.oepc.i[945,958] [2022-09-16 11:31:16,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:31:16,647 INFO L208 MainTranslator]: Completed translation [2022-09-16 11:31:16,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16 WrapperNode [2022-09-16 11:31:16,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 11:31:16,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 11:31:16,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 11:31:16,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 11:31:16,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,697 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 181 [2022-09-16 11:31:16,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 11:31:16,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 11:31:16,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 11:31:16,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 11:31:16,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 11:31:16,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 11:31:16,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 11:31:16,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 11:31:16,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16" (1/1) ... [2022-09-16 11:31:16,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:31:16,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 11:31:16,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 11:31:16,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 11:31:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 11:31:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 11:31:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 11:31:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 11:31:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 11:31:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 11:31:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 11:31:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 11:31:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 11:31:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 11:31:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 11:31:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 11:31:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 11:31:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 11:31:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 11:31:16,810 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 11:31:16,975 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 11:31:16,976 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 11:31:17,388 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 11:31:17,645 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 11:31:17,646 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 11:31:17,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:31:17 BoogieIcfgContainer [2022-09-16 11:31:17,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 11:31:17,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 11:31:17,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 11:31:17,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 11:31:17,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 11:31:16" (1/3) ... [2022-09-16 11:31:17,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e2acf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:31:17, skipping insertion in model container [2022-09-16 11:31:17,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:16" (2/3) ... [2022-09-16 11:31:17,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e2acf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:31:17, skipping insertion in model container [2022-09-16 11:31:17,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:31:17" (3/3) ... [2022-09-16 11:31:17,653 INFO L112 eAbstractionObserver]: Analyzing ICFG mix003.oepc.i [2022-09-16 11:31:17,664 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 11:31:17,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 11:31:17,664 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 11:31:17,705 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 11:31:17,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 124 transitions, 263 flow [2022-09-16 11:31:17,753 INFO L130 PetriNetUnfolder]: 2/121 cut-off events. [2022-09-16 11:31:17,753 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:31:17,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 121 events. 2/121 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2022-09-16 11:31:17,756 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 124 transitions, 263 flow [2022-09-16 11:31:17,759 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 121 transitions, 251 flow [2022-09-16 11:31:17,764 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 11:31:17,768 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3dd61098, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 11:31:17,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 11:31:17,775 INFO L130 PetriNetUnfolder]: 0/55 cut-off events. [2022-09-16 11:31:17,775 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:31:17,775 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:17,776 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:31:17,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:17,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:17,779 INFO L85 PathProgramCache]: Analyzing trace with hash -695514976, now seen corresponding path program 1 times [2022-09-16 11:31:17,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:17,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889648996] [2022-09-16 11:31:17,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:17,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:17,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:31:17,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:17,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889648996] [2022-09-16 11:31:17,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889648996] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:17,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:17,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 11:31:17,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006470731] [2022-09-16 11:31:17,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:17,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 11:31:17,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:18,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 11:31:18,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 11:31:18,028 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 124 [2022-09-16 11:31:18,031 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 121 transitions, 251 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:18,031 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:18,031 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 124 [2022-09-16 11:31:18,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:18,471 INFO L130 PetriNetUnfolder]: 521/1302 cut-off events. [2022-09-16 11:31:18,471 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-09-16 11:31:18,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2185 conditions, 1302 events. 521/1302 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 8845 event pairs, 148 based on Foata normal form. 49/1063 useless extension candidates. Maximal degree in co-relation 2130. Up to 682 conditions per place. [2022-09-16 11:31:18,486 INFO L137 encePairwiseOnDemand]: 112/124 looper letters, 28 selfloop transitions, 4 changer transitions 0/130 dead transitions. [2022-09-16 11:31:18,486 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 130 transitions, 339 flow [2022-09-16 11:31:18,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 11:31:18,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-09-16 11:31:18,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 345 transitions. [2022-09-16 11:31:18,498 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9274193548387096 [2022-09-16 11:31:18,499 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 345 transitions. [2022-09-16 11:31:18,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 345 transitions. [2022-09-16 11:31:18,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:18,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 345 transitions. [2022-09-16 11:31:18,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:18,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:18,511 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:18,512 INFO L175 Difference]: Start difference. First operand has 129 places, 121 transitions, 251 flow. Second operand 3 states and 345 transitions. [2022-09-16 11:31:18,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 130 transitions, 339 flow [2022-09-16 11:31:18,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 130 transitions, 334 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-16 11:31:18,518 INFO L231 Difference]: Finished difference. Result has 128 places, 121 transitions, 278 flow [2022-09-16 11:31:18,519 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=128, PETRI_TRANSITIONS=121} [2022-09-16 11:31:18,525 INFO L287 CegarLoopForPetriNet]: 129 programPoint places, -1 predicate places. [2022-09-16 11:31:18,525 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 121 transitions, 278 flow [2022-09-16 11:31:18,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:18,525 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:18,525 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-09-16 11:31:18,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 11:31:18,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:18,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:18,527 INFO L85 PathProgramCache]: Analyzing trace with hash 2095900187, now seen corresponding path program 1 times [2022-09-16 11:31:18,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:18,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118351004] [2022-09-16 11:31:18,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:18,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:31:18,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:18,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118351004] [2022-09-16 11:31:18,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118351004] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:18,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:18,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:31:18,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69167819] [2022-09-16 11:31:18,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:18,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:31:18,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:18,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:31:18,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:31:18,619 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 124 [2022-09-16 11:31:18,619 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 121 transitions, 278 flow. Second operand has 4 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:18,619 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:18,619 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 124 [2022-09-16 11:31:18,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:18,884 INFO L130 PetriNetUnfolder]: 388/1401 cut-off events. [2022-09-16 11:31:18,885 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-09-16 11:31:18,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2353 conditions, 1401 events. 388/1401 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 9930 event pairs, 194 based on Foata normal form. 0/1227 useless extension candidates. Maximal degree in co-relation 2298. Up to 462 conditions per place. [2022-09-16 11:31:18,899 INFO L137 encePairwiseOnDemand]: 117/124 looper letters, 25 selfloop transitions, 4 changer transitions 0/127 dead transitions. [2022-09-16 11:31:18,900 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 127 transitions, 346 flow [2022-09-16 11:31:18,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:31:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:31:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 436 transitions. [2022-09-16 11:31:18,902 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8790322580645161 [2022-09-16 11:31:18,902 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 436 transitions. [2022-09-16 11:31:18,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 436 transitions. [2022-09-16 11:31:18,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:18,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 436 transitions. [2022-09-16 11:31:18,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:18,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:18,906 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:18,906 INFO L175 Difference]: Start difference. First operand has 128 places, 121 transitions, 278 flow. Second operand 4 states and 436 transitions. [2022-09-16 11:31:18,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 127 transitions, 346 flow [2022-09-16 11:31:18,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 127 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-16 11:31:18,912 INFO L231 Difference]: Finished difference. Result has 127 places, 118 transitions, 270 flow [2022-09-16 11:31:18,912 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=270, PETRI_PLACES=127, PETRI_TRANSITIONS=118} [2022-09-16 11:31:18,913 INFO L287 CegarLoopForPetriNet]: 129 programPoint places, -2 predicate places. [2022-09-16 11:31:18,913 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 118 transitions, 270 flow [2022-09-16 11:31:18,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:18,913 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:18,913 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-09-16 11:31:18,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 11:31:18,913 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:18,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:18,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1113498736, now seen corresponding path program 1 times [2022-09-16 11:31:18,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:18,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071054394] [2022-09-16 11:31:18,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:18,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:31:19,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:19,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071054394] [2022-09-16 11:31:19,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071054394] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:19,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:19,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:31:19,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30940795] [2022-09-16 11:31:19,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:19,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:31:19,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:19,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:31:19,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:31:19,034 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 124 [2022-09-16 11:31:19,034 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 118 transitions, 270 flow. Second operand has 4 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:19,035 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:19,035 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 124 [2022-09-16 11:31:19,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:19,246 INFO L130 PetriNetUnfolder]: 291/903 cut-off events. [2022-09-16 11:31:19,246 INFO L131 PetriNetUnfolder]: For 134/134 co-relation queries the response was YES. [2022-09-16 11:31:19,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1610 conditions, 903 events. 291/903 cut-off events. For 134/134 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5644 event pairs, 91 based on Foata normal form. 0/843 useless extension candidates. Maximal degree in co-relation 1554. Up to 198 conditions per place. [2022-09-16 11:31:19,252 INFO L137 encePairwiseOnDemand]: 117/124 looper letters, 30 selfloop transitions, 7 changer transitions 3/138 dead transitions. [2022-09-16 11:31:19,252 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 138 transitions, 402 flow [2022-09-16 11:31:19,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:31:19,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:31:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 447 transitions. [2022-09-16 11:31:19,253 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9012096774193549 [2022-09-16 11:31:19,253 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 447 transitions. [2022-09-16 11:31:19,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 447 transitions. [2022-09-16 11:31:19,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:19,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 447 transitions. [2022-09-16 11:31:19,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:19,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:19,256 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:19,256 INFO L175 Difference]: Start difference. First operand has 127 places, 118 transitions, 270 flow. Second operand 4 states and 447 transitions. [2022-09-16 11:31:19,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 138 transitions, 402 flow [2022-09-16 11:31:19,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 138 transitions, 397 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-09-16 11:31:19,260 INFO L231 Difference]: Finished difference. Result has 129 places, 118 transitions, 291 flow [2022-09-16 11:31:19,260 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=291, PETRI_PLACES=129, PETRI_TRANSITIONS=118} [2022-09-16 11:31:19,261 INFO L287 CegarLoopForPetriNet]: 129 programPoint places, 0 predicate places. [2022-09-16 11:31:19,262 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 118 transitions, 291 flow [2022-09-16 11:31:19,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:19,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:19,262 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:31:19,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 11:31:19,263 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:19,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:19,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1731526645, now seen corresponding path program 1 times [2022-09-16 11:31:19,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:19,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467468158] [2022-09-16 11:31:19,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:19,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:31:19,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:19,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467468158] [2022-09-16 11:31:19,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467468158] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:19,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:19,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:31:19,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601431172] [2022-09-16 11:31:19,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:19,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:31:19,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:19,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:31:19,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:31:19,400 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 124 [2022-09-16 11:31:19,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 118 transitions, 291 flow. Second operand has 5 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:19,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:19,401 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 124 [2022-09-16 11:31:19,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:19,548 INFO L130 PetriNetUnfolder]: 277/1161 cut-off events. [2022-09-16 11:31:19,548 INFO L131 PetriNetUnfolder]: For 362/362 co-relation queries the response was YES. [2022-09-16 11:31:19,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1994 conditions, 1161 events. 277/1161 cut-off events. For 362/362 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7967 event pairs, 108 based on Foata normal form. 9/1103 useless extension candidates. Maximal degree in co-relation 1937. Up to 198 conditions per place. [2022-09-16 11:31:19,552 INFO L137 encePairwiseOnDemand]: 117/124 looper letters, 0 selfloop transitions, 0 changer transitions 132/132 dead transitions. [2022-09-16 11:31:19,552 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 132 transitions, 381 flow [2022-09-16 11:31:19,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:31:19,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:31:19,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 542 transitions. [2022-09-16 11:31:19,553 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8741935483870967 [2022-09-16 11:31:19,553 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 542 transitions. [2022-09-16 11:31:19,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 542 transitions. [2022-09-16 11:31:19,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:19,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 542 transitions. [2022-09-16 11:31:19,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:19,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:19,556 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:19,556 INFO L175 Difference]: Start difference. First operand has 129 places, 118 transitions, 291 flow. Second operand 5 states and 542 transitions. [2022-09-16 11:31:19,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 132 transitions, 381 flow [2022-09-16 11:31:19,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 132 transitions, 357 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-09-16 11:31:19,559 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2022-09-16 11:31:19,559 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2022-09-16 11:31:19,561 INFO L287 CegarLoopForPetriNet]: 129 programPoint places, -3 predicate places. [2022-09-16 11:31:19,562 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2022-09-16 11:31:19,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 11:31:19,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 11:31:19,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 11:31:19,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 11:31:19,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 11:31:19,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 11:31:19,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 11:31:19,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 11:31:19,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 11:31:19,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 11:31:19,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 11:31:19,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 11:31:19,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 11:31:19,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 11:31:19,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 11:31:19,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 11:31:19,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 11:31:19,569 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 11:31:19,573 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 11:31:19,574 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 11:31:19,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 11:31:19 BasicIcfg [2022-09-16 11:31:19,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 11:31:19,580 INFO L158 Benchmark]: Toolchain (without parser) took 3422.10ms. Allocated memory was 203.4MB in the beginning and 246.4MB in the end (delta: 43.0MB). Free memory was 171.5MB in the beginning and 105.2MB in the end (delta: 66.4MB). Peak memory consumption was 109.4MB. Max. memory is 8.0GB. [2022-09-16 11:31:19,580 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 203.4MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:31:19,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.57ms. Allocated memory is still 203.4MB. Free memory was 171.4MB in the beginning and 160.9MB in the end (delta: 10.5MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2022-09-16 11:31:19,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.53ms. Allocated memory is still 203.4MB. Free memory was 160.9MB in the beginning and 158.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:31:19,582 INFO L158 Benchmark]: Boogie Preprocessor took 42.34ms. Allocated memory is still 203.4MB. Free memory was 158.3MB in the beginning and 156.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:31:19,583 INFO L158 Benchmark]: RCFGBuilder took 907.16ms. Allocated memory was 203.4MB in the beginning and 246.4MB in the end (delta: 43.0MB). Free memory was 156.0MB in the beginning and 156.6MB in the end (delta: -608.0kB). Peak memory consumption was 49.6MB. Max. memory is 8.0GB. [2022-09-16 11:31:19,586 INFO L158 Benchmark]: TraceAbstraction took 1930.25ms. Allocated memory is still 246.4MB. Free memory was 156.1MB in the beginning and 105.2MB in the end (delta: 50.9MB). Peak memory consumption was 50.9MB. Max. memory is 8.0GB. [2022-09-16 11:31:19,588 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 203.4MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 489.57ms. Allocated memory is still 203.4MB. Free memory was 171.4MB in the beginning and 160.9MB in the end (delta: 10.5MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.53ms. Allocated memory is still 203.4MB. Free memory was 160.9MB in the beginning and 158.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.34ms. Allocated memory is still 203.4MB. Free memory was 158.3MB in the beginning and 156.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 907.16ms. Allocated memory was 203.4MB in the beginning and 246.4MB in the end (delta: 43.0MB). Free memory was 156.0MB in the beginning and 156.6MB in the end (delta: -608.0kB). Peak memory consumption was 49.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1930.25ms. Allocated memory is still 246.4MB. Free memory was 156.1MB in the beginning and 105.2MB in the end (delta: 50.9MB). Peak memory consumption was 50.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 158 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 10 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 11:31:19,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...