/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/safe000_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:33:19,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:33:19,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:33:19,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:33:19,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:33:19,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:33:19,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:33:19,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:33:19,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:33:19,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:33:19,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:33:19,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:33:19,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:33:19,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:33:19,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:33:19,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:33:19,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:33:19,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:33:19,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:33:19,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:33:19,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:33:19,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:33:19,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:33:19,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:33:19,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:33:19,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:33:19,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:33:19,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:33:19,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:33:19,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:33:19,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:33:19,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:33:19,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:33:19,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:33:19,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:33:19,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:33:19,683 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 10:33:19,700 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:33:19,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:33:19,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:33:19,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:33:19,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:33:19,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:33:19,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:33:19,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:33:19,701 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:33:19,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:33:19,701 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:33:19,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:33:19,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:33:19,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:33:19,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:33:19,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:33:19,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:33:19,702 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:33:19,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:33:19,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:33:19,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:33:19,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:33:19,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:33:19,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:33:19,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:33:19,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:33:19,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:33:19,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:33:19,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:33:19,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:33:19,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:33:19,704 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:33:19,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:33:19,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:33:19,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:33:19,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:33:19,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:33:19,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:33:19,934 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:33:19,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i [2022-09-16 10:33:20,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcd8fb49c/112f5fb455c9444d906bf8b4c0829d12/FLAGa520c360a [2022-09-16 10:33:20,415 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:33:20,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i [2022-09-16 10:33:20,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcd8fb49c/112f5fb455c9444d906bf8b4c0829d12/FLAGa520c360a [2022-09-16 10:33:20,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcd8fb49c/112f5fb455c9444d906bf8b4c0829d12 [2022-09-16 10:33:20,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:33:20,449 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:33:20,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:33:20,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:33:20,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:33:20,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:33:20" (1/1) ... [2022-09-16 10:33:20,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742e61d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:20, skipping insertion in model container [2022-09-16 10:33:20,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:33:20" (1/1) ... [2022-09-16 10:33:20,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:33:20,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:33:20,678 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/safe000_power.oepc.i[995,1008] [2022-09-16 10:33:20,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:33:20,900 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:33:20,914 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/safe000_power.oepc.i[995,1008] [2022-09-16 10:33:20,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:33:21,016 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:33:21,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21 WrapperNode [2022-09-16 10:33:21,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:33:21,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:33:21,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:33:21,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:33:21,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21" (1/1) ... [2022-09-16 10:33:21,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21" (1/1) ... [2022-09-16 10:33:21,104 INFO L138 Inliner]: procedures = 176, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 259 [2022-09-16 10:33:21,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:33:21,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:33:21,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:33:21,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:33:21,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21" (1/1) ... [2022-09-16 10:33:21,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21" (1/1) ... [2022-09-16 10:33:21,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21" (1/1) ... [2022-09-16 10:33:21,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21" (1/1) ... [2022-09-16 10:33:21,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21" (1/1) ... [2022-09-16 10:33:21,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21" (1/1) ... [2022-09-16 10:33:21,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21" (1/1) ... [2022-09-16 10:33:21,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:33:21,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:33:21,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:33:21,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:33:21,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21" (1/1) ... [2022-09-16 10:33:21,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:33:21,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:33:21,187 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 10:33:21,189 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 10:33:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:33:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:33:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:33:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:33:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:33:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:33:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:33:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:33:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:33:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:33:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:33:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:33:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:33:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:33:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:33:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:33:21,224 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 10:33:21,357 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:33:21,358 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:33:22,128 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:33:22,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:33:22,771 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:33:22,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:33:22 BoogieIcfgContainer [2022-09-16 10:33:22,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:33:22,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:33:22,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:33:22,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:33:22,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:33:20" (1/3) ... [2022-09-16 10:33:22,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6844e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:33:22, skipping insertion in model container [2022-09-16 10:33:22,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:21" (2/3) ... [2022-09-16 10:33:22,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6844e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:33:22, skipping insertion in model container [2022-09-16 10:33:22,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:33:22" (3/3) ... [2022-09-16 10:33:22,781 INFO L112 eAbstractionObserver]: Analyzing ICFG safe000_power.oepc.i [2022-09-16 10:33:22,794 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:33:22,802 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:33:22,802 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:33:22,802 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:33:22,891 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:33:22,925 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 145 places, 137 transitions, 289 flow [2022-09-16 10:33:23,799 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 27818 states, 27792 states have (on average 3.6839018422567644) internal successors, (102383), 27817 states have internal predecessors, (102383), 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 10:33:23,820 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:33:23,829 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;@8585126, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:33:23,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:33:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 27818 states, 27792 states have (on average 3.6839018422567644) internal successors, (102383), 27817 states have internal predecessors, (102383), 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 10:33:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:33:23,909 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:23,910 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] [2022-09-16 10:33:23,911 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 10:33:23,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:23,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1861846181, now seen corresponding path program 1 times [2022-09-16 10:33:23,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:23,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486029535] [2022-09-16 10:33:23,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:23,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:24,309 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 10:33:24,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:24,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486029535] [2022-09-16 10:33:24,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486029535] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:24,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:24,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:33:24,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884383990] [2022-09-16 10:33:24,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:24,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:33:24,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:24,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:33:24,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:33:24,422 INFO L87 Difference]: Start difference. First operand has 27818 states, 27792 states have (on average 3.6839018422567644) internal successors, (102383), 27817 states have internal predecessors, (102383), 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 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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 10:33:24,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:24,926 INFO L93 Difference]: Finished difference Result 20957 states and 73849 transitions. [2022-09-16 10:33:24,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:33:24,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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 66 [2022-09-16 10:33:24,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:25,114 INFO L225 Difference]: With dead ends: 20957 [2022-09-16 10:33:25,114 INFO L226 Difference]: Without dead ends: 20957 [2022-09-16 10:33:25,115 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 10:33:25,118 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 51 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 174 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 10:33:25,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 174 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:25,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20957 states. [2022-09-16 10:33:25,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20957 to 20957. [2022-09-16 10:33:25,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20957 states, 20903 states have (on average 3.5329378558101707) internal successors, (73849), 20956 states have internal predecessors, (73849), 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 10:33:26,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20957 states to 20957 states and 73849 transitions. [2022-09-16 10:33:26,150 INFO L78 Accepts]: Start accepts. Automaton has 20957 states and 73849 transitions. Word has length 66 [2022-09-16 10:33:26,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:26,152 INFO L495 AbstractCegarLoop]: Abstraction has 20957 states and 73849 transitions. [2022-09-16 10:33:26,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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 10:33:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 20957 states and 73849 transitions. [2022-09-16 10:33:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-09-16 10:33:26,162 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:26,162 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, 1, 1, 1] [2022-09-16 10:33:26,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:33:26,163 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 10:33:26,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:26,163 INFO L85 PathProgramCache]: Analyzing trace with hash -759465808, now seen corresponding path program 1 times [2022-09-16 10:33:26,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:26,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844881575] [2022-09-16 10:33:26,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:26,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:26,324 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 10:33:26,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:26,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844881575] [2022-09-16 10:33:26,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844881575] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:26,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:26,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:33:26,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316243819] [2022-09-16 10:33:26,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:26,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:33:26,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:26,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:33:26,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:33:26,329 INFO L87 Difference]: Start difference. First operand 20957 states and 73849 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 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 10:33:26,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:26,688 INFO L93 Difference]: Finished difference Result 16775 states and 58965 transitions. [2022-09-16 10:33:26,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:33:26,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2022-09-16 10:33:26,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:26,760 INFO L225 Difference]: With dead ends: 16775 [2022-09-16 10:33:26,760 INFO L226 Difference]: Without dead ends: 16775 [2022-09-16 10:33:26,761 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 10:33:26,761 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 103 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:26,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 321 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:33:26,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16775 states. [2022-09-16 10:33:27,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16775 to 16775. [2022-09-16 10:33:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16775 states, 16757 states have (on average 3.518827952497464) internal successors, (58965), 16774 states have internal predecessors, (58965), 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 10:33:27,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16775 states to 16775 states and 58965 transitions. [2022-09-16 10:33:27,590 INFO L78 Accepts]: Start accepts. Automaton has 16775 states and 58965 transitions. Word has length 78 [2022-09-16 10:33:27,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:27,591 INFO L495 AbstractCegarLoop]: Abstraction has 16775 states and 58965 transitions. [2022-09-16 10:33:27,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 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 10:33:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 16775 states and 58965 transitions. [2022-09-16 10:33:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-09-16 10:33:27,593 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:27,593 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, 1, 1, 1] [2022-09-16 10:33:27,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:33:27,593 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 10:33:27,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:27,594 INFO L85 PathProgramCache]: Analyzing trace with hash -759465809, now seen corresponding path program 1 times [2022-09-16 10:33:27,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:27,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148294767] [2022-09-16 10:33:27,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:27,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:27,670 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 10:33:27,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:27,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148294767] [2022-09-16 10:33:27,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148294767] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:27,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:27,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:33:27,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433881935] [2022-09-16 10:33:27,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:27,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:33:27,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:27,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:33:27,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:33:27,672 INFO L87 Difference]: Start difference. First operand 16775 states and 58965 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 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 10:33:27,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:27,881 INFO L93 Difference]: Finished difference Result 13943 states and 48716 transitions. [2022-09-16 10:33:27,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:33:27,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2022-09-16 10:33:27,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:28,086 INFO L225 Difference]: With dead ends: 13943 [2022-09-16 10:33:28,086 INFO L226 Difference]: Without dead ends: 13943 [2022-09-16 10:33:28,087 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 10:33:28,094 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 203 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:28,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 219 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:28,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13943 states. [2022-09-16 10:33:28,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13943 to 13943. [2022-09-16 10:33:28,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13943 states, 13934 states have (on average 3.496196354241424) internal successors, (48716), 13942 states have internal predecessors, (48716), 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 10:33:28,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13943 states to 13943 states and 48716 transitions. [2022-09-16 10:33:28,559 INFO L78 Accepts]: Start accepts. Automaton has 13943 states and 48716 transitions. Word has length 78 [2022-09-16 10:33:28,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:28,560 INFO L495 AbstractCegarLoop]: Abstraction has 13943 states and 48716 transitions. [2022-09-16 10:33:28,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 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 10:33:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 13943 states and 48716 transitions. [2022-09-16 10:33:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:33:28,570 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:28,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:33:28,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:33:28,571 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 10:33:28,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:28,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1841044891, now seen corresponding path program 1 times [2022-09-16 10:33:28,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:28,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410487544] [2022-09-16 10:33:28,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:28,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:28,704 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 10:33:28,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:28,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410487544] [2022-09-16 10:33:28,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410487544] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:28,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:28,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:33:28,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458389899] [2022-09-16 10:33:28,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:28,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:33:28,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:28,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:33:28,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:33:28,706 INFO L87 Difference]: Start difference. First operand 13943 states and 48716 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 10:33:28,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:28,875 INFO L93 Difference]: Finished difference Result 13133 states and 46043 transitions. [2022-09-16 10:33:28,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:33:28,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 90 [2022-09-16 10:33:28,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:28,876 INFO L225 Difference]: With dead ends: 13133 [2022-09-16 10:33:28,877 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:33:28,877 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 10:33:28,878 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 219 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:28,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 232 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:28,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:33:28,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:33:28,879 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 10:33:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:33:28,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2022-09-16 10:33:28,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:28,879 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:33:28,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 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 10:33:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:33:28,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:33:28,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:33:28,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:33:28,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:33:28,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:33:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:33:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:33:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:33:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:33:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:33:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:33:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:33:28,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:33:28,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:33:28,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:33:28,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:33:28,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:33:28,887 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:33:28,891 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:33:28,891 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:33:28,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:33:28 BasicIcfg [2022-09-16 10:33:28,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:33:28,894 INFO L158 Benchmark]: Toolchain (without parser) took 8444.80ms. Allocated memory was 177.2MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 122.7MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 480.2MB. Max. memory is 8.0GB. [2022-09-16 10:33:28,894 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 177.2MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:33:28,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.99ms. Allocated memory is still 177.2MB. Free memory was 122.4MB in the beginning and 139.3MB in the end (delta: -16.9MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-09-16 10:33:28,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.92ms. Allocated memory is still 177.2MB. Free memory was 139.3MB in the beginning and 136.3MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:33:28,895 INFO L158 Benchmark]: Boogie Preprocessor took 55.29ms. Allocated memory is still 177.2MB. Free memory was 136.3MB in the beginning and 133.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:33:28,895 INFO L158 Benchmark]: RCFGBuilder took 1612.28ms. Allocated memory was 177.2MB in the beginning and 230.7MB in the end (delta: 53.5MB). Free memory was 132.9MB in the beginning and 180.6MB in the end (delta: -47.7MB). Peak memory consumption was 102.6MB. Max. memory is 8.0GB. [2022-09-16 10:33:28,895 INFO L158 Benchmark]: TraceAbstraction took 6118.58ms. Allocated memory was 230.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 180.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 483.8MB. Max. memory is 8.0GB. [2022-09-16 10:33:28,897 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 177.2MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 565.99ms. Allocated memory is still 177.2MB. Free memory was 122.4MB in the beginning and 139.3MB in the end (delta: -16.9MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 85.92ms. Allocated memory is still 177.2MB. Free memory was 139.3MB in the beginning and 136.3MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.29ms. Allocated memory is still 177.2MB. Free memory was 136.3MB in the beginning and 133.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1612.28ms. Allocated memory was 177.2MB in the beginning and 230.7MB in the end (delta: 53.5MB). Free memory was 132.9MB in the beginning and 180.6MB in the end (delta: -47.7MB). Peak memory consumption was 102.6MB. Max. memory is 8.0GB. * TraceAbstraction took 6118.58ms. Allocated memory was 230.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 180.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 483.8MB. 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: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: 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, 168 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 576 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 576 mSDsluCounter, 946 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 502 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 166 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 499 mSDtfsCounter, 166 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=27818occurred 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: 2.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 860 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 10:33:28,928 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...