/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-FA-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/mix016.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:22:48,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:22:48,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:22:48,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 10:22:48,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:22:48,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:22:48,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:22:48,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:22:48,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:22:48,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:22:48,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:22:48,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:22:48,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:22:48,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:22:48,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:22:48,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:22:48,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:22:48,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:22:48,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:22:48,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:22:48,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:22:48,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:22:48,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:22:48,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:22:48,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:22:48,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:22:48,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:22:48,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:22:48,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:22:48,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:22:48,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:22:48,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:22:48,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:22:48,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:22:48,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:22:48,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:22:48,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:22:48,753 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:22:48,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:22:48,754 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:22:48,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:22:48,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:22:48,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:22:48,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:22:48,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:22:48,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:22:48,755 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:22:48,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:22:48,755 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:22:48,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:22:48,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:22:48,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:22:48,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:22:48,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:22:48,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:22:48,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:22:48,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:22:48,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:22:48,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:22:48,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:22:48,757 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:22:48,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:22:48,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:22:49,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:22:49,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:22:49,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:22:49,033 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:22:49,033 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:22:49,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix016.oepc.i [2022-09-16 10:22:49,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e671c28/a6a7dc3c8cd8483da6861f045ffa0288/FLAGfbcb4f58a [2022-09-16 10:22:49,598 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:22:49,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016.oepc.i [2022-09-16 10:22:49,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e671c28/a6a7dc3c8cd8483da6861f045ffa0288/FLAGfbcb4f58a [2022-09-16 10:22:49,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e671c28/a6a7dc3c8cd8483da6861f045ffa0288 [2022-09-16 10:22:49,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:22:49,919 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:22:49,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:22:49,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:22:49,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:22:49,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:22:49" (1/1) ... [2022-09-16 10:22:49,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2a67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:49, skipping insertion in model container [2022-09-16 10:22:49,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:22:49" (1/1) ... [2022-09-16 10:22:49,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:22:49,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:22:50,176 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/mix016.oepc.i[945,958] [2022-09-16 10:22:50,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:22:50,393 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:22:50,405 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/mix016.oepc.i[945,958] [2022-09-16 10:22:50,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:22:50,511 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:22:50,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50 WrapperNode [2022-09-16 10:22:50,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:22:50,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:22:50,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:22:50,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:22:50,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50" (1/1) ... [2022-09-16 10:22:50,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50" (1/1) ... [2022-09-16 10:22:50,581 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 180 [2022-09-16 10:22:50,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:22:50,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:22:50,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:22:50,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:22:50,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50" (1/1) ... [2022-09-16 10:22:50,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50" (1/1) ... [2022-09-16 10:22:50,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50" (1/1) ... [2022-09-16 10:22:50,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50" (1/1) ... [2022-09-16 10:22:50,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50" (1/1) ... [2022-09-16 10:22:50,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50" (1/1) ... [2022-09-16 10:22:50,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50" (1/1) ... [2022-09-16 10:22:50,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:22:50,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:22:50,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:22:50,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:22:50,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50" (1/1) ... [2022-09-16 10:22:50,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:22:50,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:22:50,688 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 10:22:50,711 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 10:22:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:22:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:22:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:22:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:22:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:22:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:22:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:22:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:22:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:22:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:22:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:22:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:22:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:22:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:22:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:22:50,729 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 10:22:50,897 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:22:50,898 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:22:51,392 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:22:51,806 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:22:51,807 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:22:51,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:22:51 BoogieIcfgContainer [2022-09-16 10:22:51,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:22:51,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:22:51,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:22:51,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:22:51,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:22:49" (1/3) ... [2022-09-16 10:22:51,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645912c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:22:51, skipping insertion in model container [2022-09-16 10:22:51,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:22:50" (2/3) ... [2022-09-16 10:22:51,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645912c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:22:51, skipping insertion in model container [2022-09-16 10:22:51,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:22:51" (3/3) ... [2022-09-16 10:22:51,816 INFO L112 eAbstractionObserver]: Analyzing ICFG mix016.oepc.i [2022-09-16 10:22:51,823 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:22:51,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:22:51,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:22:51,831 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:22:51,898 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:22:51,939 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 130 places, 122 transitions, 259 flow [2022-09-16 10:22:53,098 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 34078 states, 34052 states have (on average 3.710296017855045) internal successors, (126343), 34077 states have internal predecessors, (126343), 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 10:22:53,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:22:53,202 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@7607d521, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:22:53,202 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:22:53,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 34078 states, 34052 states have (on average 3.710296017855045) internal successors, (126343), 34077 states have internal predecessors, (126343), 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 10:22:53,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:22:53,264 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:22:53,264 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:22:53,265 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 10:22:53,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:22:53,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1913590421, now seen corresponding path program 1 times [2022-09-16 10:22:53,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:22:53,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480262944] [2022-09-16 10:22:53,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:22:53,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:22:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:22:53,590 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 10:22:53,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:22:53,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480262944] [2022-09-16 10:22:53,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480262944] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:22:53,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:22:53,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:22:53,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432872206] [2022-09-16 10:22:53,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:22:53,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:22:53,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:22:53,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:22:53,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:22:53,684 INFO L87 Difference]: Start difference. First operand has 34078 states, 34052 states have (on average 3.710296017855045) internal successors, (126343), 34077 states have internal predecessors, (126343), 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) Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 10:22:54,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:22:54,207 INFO L93 Difference]: Finished difference Result 25563 states and 90895 transitions. [2022-09-16 10:22:54,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:22:54,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) Word has length 50 [2022-09-16 10:22:54,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:22:54,532 INFO L225 Difference]: With dead ends: 25563 [2022-09-16 10:22:54,532 INFO L226 Difference]: Without dead ends: 25563 [2022-09-16 10:22:54,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:22:54,537 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 52 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:22:54,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 161 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:22:54,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25563 states. [2022-09-16 10:22:55,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25563 to 25563. [2022-09-16 10:22:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25563 states, 25509 states have (on average 3.563252185503156) internal successors, (90895), 25562 states have internal predecessors, (90895), 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 10:22:56,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25563 states to 25563 states and 90895 transitions. [2022-09-16 10:22:56,048 INFO L78 Accepts]: Start accepts. Automaton has 25563 states and 90895 transitions. Word has length 50 [2022-09-16 10:22:56,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:22:56,048 INFO L495 AbstractCegarLoop]: Abstraction has 25563 states and 90895 transitions. [2022-09-16 10:22:56,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 10:22:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 25563 states and 90895 transitions. [2022-09-16 10:22:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:22:56,057 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:22:56,057 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:22:56,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:22:56,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:22:56,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:22:56,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1486000765, now seen corresponding path program 1 times [2022-09-16 10:22:56,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:22:56,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823482604] [2022-09-16 10:22:56,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:22:56,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:22:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:22:56,233 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 10:22:56,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:22:56,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823482604] [2022-09-16 10:22:56,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823482604] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:22:56,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:22:56,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:22:56,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509038679] [2022-09-16 10:22:56,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:22:56,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:22:56,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:22:56,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:22:56,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:22:56,237 INFO L87 Difference]: Start difference. First operand 25563 states and 90895 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:22:56,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:22:56,728 INFO L93 Difference]: Finished difference Result 22641 states and 79239 transitions. [2022-09-16 10:22:56,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:22:56,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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) Word has length 62 [2022-09-16 10:22:56,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:22:56,851 INFO L225 Difference]: With dead ends: 22641 [2022-09-16 10:22:56,851 INFO L226 Difference]: Without dead ends: 22641 [2022-09-16 10:22:56,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:22:56,853 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 150 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:22:56,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 216 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:22:57,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22641 states. [2022-09-16 10:22:57,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22641 to 21831. [2022-09-16 10:22:57,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21831 states, 21804 states have (on average 3.5487066593285634) internal successors, (77376), 21830 states have internal predecessors, (77376), 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 10:22:57,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21831 states to 21831 states and 77376 transitions. [2022-09-16 10:22:57,889 INFO L78 Accepts]: Start accepts. Automaton has 21831 states and 77376 transitions. Word has length 62 [2022-09-16 10:22:57,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:22:57,890 INFO L495 AbstractCegarLoop]: Abstraction has 21831 states and 77376 transitions. [2022-09-16 10:22:57,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:22:57,890 INFO L276 IsEmpty]: Start isEmpty. Operand 21831 states and 77376 transitions. [2022-09-16 10:22:57,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:22:57,892 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:22:57,892 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:22:57,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:22:57,893 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:22:57,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:22:57,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1486000766, now seen corresponding path program 1 times [2022-09-16 10:22:57,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:22:57,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111151451] [2022-09-16 10:22:57,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:22:57,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:22:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:22:58,064 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 10:22:58,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:22:58,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111151451] [2022-09-16 10:22:58,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111151451] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:22:58,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:22:58,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:22:58,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180607000] [2022-09-16 10:22:58,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:22:58,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:22:58,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:22:58,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:22:58,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:22:58,068 INFO L87 Difference]: Start difference. First operand 21831 states and 77376 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:22:58,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:22:58,285 INFO L93 Difference]: Finished difference Result 17829 states and 63146 transitions. [2022-09-16 10:22:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:22:58,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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) Word has length 62 [2022-09-16 10:22:58,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:22:58,378 INFO L225 Difference]: With dead ends: 17829 [2022-09-16 10:22:58,378 INFO L226 Difference]: Without dead ends: 17829 [2022-09-16 10:22:58,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:22:58,383 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 106 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:22:58,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 295 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:22:58,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17829 states. [2022-09-16 10:22:59,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17829 to 17829. [2022-09-16 10:22:59,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17829 states, 17820 states have (on average 3.54354657687991) internal successors, (63146), 17828 states have internal predecessors, (63146), 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 10:22:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17829 states to 17829 states and 63146 transitions. [2022-09-16 10:22:59,177 INFO L78 Accepts]: Start accepts. Automaton has 17829 states and 63146 transitions. Word has length 62 [2022-09-16 10:22:59,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:22:59,177 INFO L495 AbstractCegarLoop]: Abstraction has 17829 states and 63146 transitions. [2022-09-16 10:22:59,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:22:59,177 INFO L276 IsEmpty]: Start isEmpty. Operand 17829 states and 63146 transitions. [2022-09-16 10:22:59,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-09-16 10:22:59,191 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:22:59,191 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:22:59,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:22:59,192 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:22:59,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:22:59,192 INFO L85 PathProgramCache]: Analyzing trace with hash -576170047, now seen corresponding path program 1 times [2022-09-16 10:22:59,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:22:59,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235290590] [2022-09-16 10:22:59,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:22:59,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:22:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:22:59,360 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 10:22:59,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:22:59,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235290590] [2022-09-16 10:22:59,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235290590] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:22:59,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:22:59,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:22:59,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034980139] [2022-09-16 10:22:59,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:22:59,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:22:59,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:22:59,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:22:59,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:22:59,362 INFO L87 Difference]: Start difference. First operand 17829 states and 63146 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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 10:22:59,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:22:59,716 INFO L93 Difference]: Finished difference Result 17019 states and 60473 transitions. [2022-09-16 10:22:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:22:59,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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) Word has length 75 [2022-09-16 10:22:59,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:22:59,719 INFO L225 Difference]: With dead ends: 17019 [2022-09-16 10:22:59,719 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:22:59,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:22:59,726 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 336 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:22:59,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 205 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:22:59,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:22:59,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:22:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 10:22:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:22:59,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2022-09-16 10:22:59,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:22:59,728 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:22:59,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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 10:22:59,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:22:59,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:22:59,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:22:59,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:22:59,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:22:59,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:22:59,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:22:59,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:22:59,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:22:59,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:22:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:22:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:22:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:22:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:22:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:22:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:22:59,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:22:59,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:22:59,736 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:22:59,745 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:22:59,745 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:22:59,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:22:59 BasicIcfg [2022-09-16 10:22:59,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:22:59,753 INFO L158 Benchmark]: Toolchain (without parser) took 9833.74ms. Allocated memory was 168.8MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 112.2MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 496.3MB. Max. memory is 8.0GB. [2022-09-16 10:22:59,753 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 168.8MB. Free memory was 130.2MB in the beginning and 130.1MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:22:59,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.30ms. Allocated memory was 168.8MB in the beginning and 222.3MB in the end (delta: 53.5MB). Free memory was 111.9MB in the beginning and 183.7MB in the end (delta: -71.7MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. [2022-09-16 10:22:59,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.98ms. Allocated memory is still 222.3MB. Free memory was 183.7MB in the beginning and 181.2MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:22:59,754 INFO L158 Benchmark]: Boogie Preprocessor took 57.87ms. Allocated memory is still 222.3MB. Free memory was 181.2MB in the beginning and 179.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:22:59,754 INFO L158 Benchmark]: RCFGBuilder took 1168.45ms. Allocated memory is still 222.3MB. Free memory was 179.1MB in the beginning and 160.7MB in the end (delta: 18.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. [2022-09-16 10:22:59,754 INFO L158 Benchmark]: TraceAbstraction took 7941.31ms. Allocated memory was 222.3MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 160.2MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 490.1MB. Max. memory is 8.0GB. [2022-09-16 10:22:59,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 168.8MB. Free memory was 130.2MB in the beginning and 130.1MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 584.30ms. Allocated memory was 168.8MB in the beginning and 222.3MB in the end (delta: 53.5MB). Free memory was 111.9MB in the beginning and 183.7MB in the end (delta: -71.7MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.98ms. Allocated memory is still 222.3MB. Free memory was 183.7MB in the beginning and 181.2MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.87ms. Allocated memory is still 222.3MB. Free memory was 181.2MB in the beginning and 179.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1168.45ms. Allocated memory is still 222.3MB. Free memory was 179.1MB in the beginning and 160.7MB in the end (delta: 18.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. * TraceAbstraction took 7941.31ms. Allocated memory was 222.3MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 160.2MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 490.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 825]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 825]: 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, 155 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 644 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 644 mSDsluCounter, 877 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 491 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 441 mSDtfsCounter, 175 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=34078occurred in iteration=0, 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: 3.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 671 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 10:22:59,799 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...