/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/safe018_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:34:28,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:34:28,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:34:28,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:34:28,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:34:28,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:34:28,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:34:28,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:34:28,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:34:28,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:34:28,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:34:28,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:34:28,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:34:28,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:34:28,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:34:28,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:34:28,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:34:28,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:34:28,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:34:28,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:34:28,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:34:28,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:34:28,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:34:28,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:34:28,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:34:28,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:34:28,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:34:28,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:34:28,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:34:28,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:34:28,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:34:28,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:34:28,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:34:28,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:34:28,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:34:28,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:34:28,678 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 10:34:28,701 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:34:28,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:34:28,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:34:28,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:34:28,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:34:28,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:34:28,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:34:28,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:34:28,704 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:34:28,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:34:28,704 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:34:28,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:34:28,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:34:28,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:34:28,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:34:28,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:34:28,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:34:28,705 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:34:28,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:34:28,705 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:34:28,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:34:28,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:34:28,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:34:28,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:34:28,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:34:28,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:34:28,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:34:28,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:34:28,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:34:28,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:34:28,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:34:28,707 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:34:28,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:34:28,707 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:34:28,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:34:28,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:34:28,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:34:28,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:34:28,923 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:34:28,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.oepc.i [2022-09-16 10:34:28,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6bacefb/3eb380bfceb34644892c67f2837ee091/FLAGf381900bc [2022-09-16 10:34:29,478 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:34:29,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_rmo.oepc.i [2022-09-16 10:34:29,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6bacefb/3eb380bfceb34644892c67f2837ee091/FLAGf381900bc [2022-09-16 10:34:29,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c6bacefb/3eb380bfceb34644892c67f2837ee091 [2022-09-16 10:34:29,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:34:29,782 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:34:29,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:34:29,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:34:29,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:34:29,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:34:29" (1/1) ... [2022-09-16 10:34:29,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ea2666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:29, skipping insertion in model container [2022-09-16 10:34:29,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:34:29" (1/1) ... [2022-09-16 10:34:29,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:34:29,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:34:29,961 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/safe018_rmo.oepc.i[993,1006] [2022-09-16 10:34:30,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:34:30,109 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:34:30,117 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/safe018_rmo.oepc.i[993,1006] [2022-09-16 10:34:30,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:34:30,167 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:34:30,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30 WrapperNode [2022-09-16 10:34:30,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:34:30,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:30,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:34:30,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:34:30,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30" (1/1) ... [2022-09-16 10:34:30,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30" (1/1) ... [2022-09-16 10:34:30,202 INFO L138 Inliner]: procedures = 176, calls = 65, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 152 [2022-09-16 10:34:30,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:30,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:34:30,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:34:30,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:34:30,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30" (1/1) ... [2022-09-16 10:34:30,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30" (1/1) ... [2022-09-16 10:34:30,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30" (1/1) ... [2022-09-16 10:34:30,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30" (1/1) ... [2022-09-16 10:34:30,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30" (1/1) ... [2022-09-16 10:34:30,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30" (1/1) ... [2022-09-16 10:34:30,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30" (1/1) ... [2022-09-16 10:34:30,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:34:30,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:34:30,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:34:30,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:34:30,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30" (1/1) ... [2022-09-16 10:34:30,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:34:30,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:34:30,278 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 10:34:30,289 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 10:34:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:34:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:34:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:34:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:34:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:34:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:34:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:34:30,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:34:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:34:30,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:34:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:34:30,315 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:34:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:34:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:34:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:34:30,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:34:30,316 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 10:34:30,453 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:34:30,454 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:34:30,873 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:34:31,138 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:34:31,138 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:34:31,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:31 BoogieIcfgContainer [2022-09-16 10:34:31,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:34:31,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:34:31,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:34:31,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:34:31,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:34:29" (1/3) ... [2022-09-16 10:34:31,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a09927b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:31, skipping insertion in model container [2022-09-16 10:34:31,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:30" (2/3) ... [2022-09-16 10:34:31,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a09927b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:31, skipping insertion in model container [2022-09-16 10:34:31,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:31" (3/3) ... [2022-09-16 10:34:31,147 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_rmo.oepc.i [2022-09-16 10:34:31,153 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:34:31,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:34:31,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:34:31,160 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:34:31,222 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:34:31,259 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 143 places, 135 transitions, 285 flow [2022-09-16 10:34:31,904 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 22112 states, 22086 states have (on average 3.6537625645205107) internal successors, (80697), 22111 states have internal predecessors, (80697), 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 10:34:31,920 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:34:31,925 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;@53d2b817, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:34:31,925 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:34:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 22112 states, 22086 states have (on average 3.6537625645205107) internal successors, (80697), 22111 states have internal predecessors, (80697), 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 10:34:31,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:34:31,978 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:31,979 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 10:34:31,979 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 10:34:31,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:31,984 INFO L85 PathProgramCache]: Analyzing trace with hash -960682426, now seen corresponding path program 1 times [2022-09-16 10:34:31,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:31,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374189077] [2022-09-16 10:34:31,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:31,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:32,320 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 10:34:32,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:32,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374189077] [2022-09-16 10:34:32,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374189077] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:32,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:32,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:34:32,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606070718] [2022-09-16 10:34:32,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:32,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:34:32,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:32,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:34:32,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:34:32,394 INFO L87 Difference]: Start difference. First operand has 22112 states, 22086 states have (on average 3.6537625645205107) internal successors, (80697), 22111 states have internal predecessors, (80697), 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 10:34:32,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:32,792 INFO L93 Difference]: Finished difference Result 16779 states and 58525 transitions. [2022-09-16 10:34:32,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:34:32,794 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 10:34:32,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:32,955 INFO L225 Difference]: With dead ends: 16779 [2022-09-16 10:34:32,955 INFO L226 Difference]: Without dead ends: 16779 [2022-09-16 10:34:32,956 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 10:34:32,960 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 49 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:32,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 174 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:34:33,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16779 states. [2022-09-16 10:34:33,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16779 to 16779. [2022-09-16 10:34:33,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16779 states, 16725 states have (on average 3.499252615844544) internal successors, (58525), 16778 states have internal predecessors, (58525), 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 10:34:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16779 states to 16779 states and 58525 transitions. [2022-09-16 10:34:33,702 INFO L78 Accepts]: Start accepts. Automaton has 16779 states and 58525 transitions. Word has length 66 [2022-09-16 10:34:33,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:33,702 INFO L495 AbstractCegarLoop]: Abstraction has 16779 states and 58525 transitions. [2022-09-16 10:34:33,703 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 10:34:33,703 INFO L276 IsEmpty]: Start isEmpty. Operand 16779 states and 58525 transitions. [2022-09-16 10:34:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-09-16 10:34:33,721 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:33,721 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] [2022-09-16 10:34:33,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:34:33,722 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 10:34:33,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:33,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1510533540, now seen corresponding path program 1 times [2022-09-16 10:34:33,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:33,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774782634] [2022-09-16 10:34:33,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:33,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:34,035 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 10:34:34,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:34,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774782634] [2022-09-16 10:34:34,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774782634] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:34,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:34,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:34:34,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549540426] [2022-09-16 10:34:34,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:34,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:34:34,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:34,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:34:34,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:34,043 INFO L87 Difference]: Start difference. First operand 16779 states and 58525 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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 10:34:34,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:34,439 INFO L93 Difference]: Finished difference Result 14577 states and 49485 transitions. [2022-09-16 10:34:34,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:34:34,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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 76 [2022-09-16 10:34:34,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:34,513 INFO L225 Difference]: With dead ends: 14577 [2022-09-16 10:34:34,513 INFO L226 Difference]: Without dead ends: 14577 [2022-09-16 10:34:34,513 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 10:34:34,514 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 197 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:34,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 219 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:34:34,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14577 states. [2022-09-16 10:34:35,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14577 to 13767. [2022-09-16 10:34:35,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13767 states, 13740 states have (on average 3.465938864628821) internal successors, (47622), 13766 states have internal predecessors, (47622), 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 10:34:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13767 states to 13767 states and 47622 transitions. [2022-09-16 10:34:35,125 INFO L78 Accepts]: Start accepts. Automaton has 13767 states and 47622 transitions. Word has length 76 [2022-09-16 10:34:35,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:35,128 INFO L495 AbstractCegarLoop]: Abstraction has 13767 states and 47622 transitions. [2022-09-16 10:34:35,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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 10:34:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 13767 states and 47622 transitions. [2022-09-16 10:34:35,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-09-16 10:34:35,133 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:35,134 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] [2022-09-16 10:34:35,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:34:35,134 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 10:34:35,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:35,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1510533541, now seen corresponding path program 1 times [2022-09-16 10:34:35,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:35,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980914509] [2022-09-16 10:34:35,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:35,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:35,247 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 10:34:35,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:35,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980914509] [2022-09-16 10:34:35,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980914509] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:35,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:35,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:34:35,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23938277] [2022-09-16 10:34:35,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:35,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:34:35,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:35,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:34:35,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:35,250 INFO L87 Difference]: Start difference. First operand 13767 states and 47622 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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 10:34:35,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:35,459 INFO L93 Difference]: Finished difference Result 10485 states and 36008 transitions. [2022-09-16 10:34:35,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:34:35,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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 76 [2022-09-16 10:34:35,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:35,516 INFO L225 Difference]: With dead ends: 10485 [2022-09-16 10:34:35,517 INFO L226 Difference]: Without dead ends: 10485 [2022-09-16 10:34:35,517 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 10:34:35,521 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 101 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:35,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 321 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:34:35,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10485 states. [2022-09-16 10:34:35,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10485 to 10485. [2022-09-16 10:34:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10485 states, 10476 states have (on average 3.4371897670866742) internal successors, (36008), 10484 states have internal predecessors, (36008), 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 10:34:35,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10485 states to 10485 states and 36008 transitions. [2022-09-16 10:34:35,937 INFO L78 Accepts]: Start accepts. Automaton has 10485 states and 36008 transitions. Word has length 76 [2022-09-16 10:34:35,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:35,938 INFO L495 AbstractCegarLoop]: Abstraction has 10485 states and 36008 transitions. [2022-09-16 10:34:35,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 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 10:34:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 10485 states and 36008 transitions. [2022-09-16 10:34:35,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-09-16 10:34:35,943 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:35,943 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] [2022-09-16 10:34:35,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:34:35,944 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:34:35,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:35,944 INFO L85 PathProgramCache]: Analyzing trace with hash 107301529, now seen corresponding path program 1 times [2022-09-16 10:34:35,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:35,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269294788] [2022-09-16 10:34:35,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:35,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:36,021 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 10:34:36,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:36,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269294788] [2022-09-16 10:34:36,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269294788] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:36,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:36,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:34:36,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168064772] [2022-09-16 10:34:36,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:36,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:34:36,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:36,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:34:36,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:34:36,022 INFO L87 Difference]: Start difference. First operand 10485 states and 36008 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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 10:34:36,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:36,116 INFO L93 Difference]: Finished difference Result 9675 states and 33335 transitions. [2022-09-16 10:34:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:34:36,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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 88 [2022-09-16 10:34:36,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:36,117 INFO L225 Difference]: With dead ends: 9675 [2022-09-16 10:34:36,117 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:34:36,117 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 10:34:36,118 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 203 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:36,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 232 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:34:36,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:34:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:34:36,119 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 10:34:36,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:34:36,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2022-09-16 10:34:36,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:36,119 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:34:36,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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 10:34:36,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:34:36,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:34:36,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:34:36,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:34:36,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:34:36,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:34:36,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:34:36,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:34:36,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:34:36,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:34:36,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:34:36,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:34:36,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:34:36,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:34:36,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:34:36,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:34:36,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:34:36,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:34:36,125 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:34:36,129 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:34:36,129 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:34:36,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:34:36 BasicIcfg [2022-09-16 10:34:36,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:34:36,131 INFO L158 Benchmark]: Toolchain (without parser) took 6349.66ms. Allocated memory was 228.6MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 200.6MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 377.5MB. Max. memory is 8.0GB. [2022-09-16 10:34:36,131 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 228.6MB. Free memory is still 187.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:34:36,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.61ms. Allocated memory was 228.6MB in the beginning and 290.5MB in the end (delta: 61.9MB). Free memory was 200.3MB in the beginning and 252.7MB in the end (delta: -52.4MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. [2022-09-16 10:34:36,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.67ms. Allocated memory is still 290.5MB. Free memory was 252.3MB in the beginning and 250.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:34:36,132 INFO L158 Benchmark]: Boogie Preprocessor took 34.45ms. Allocated memory is still 290.5MB. Free memory was 250.2MB in the beginning and 248.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:34:36,132 INFO L158 Benchmark]: RCFGBuilder took 897.84ms. Allocated memory is still 290.5MB. Free memory was 247.8MB in the beginning and 226.3MB in the end (delta: 21.5MB). Peak memory consumption was 60.5MB. Max. memory is 8.0GB. [2022-09-16 10:34:36,132 INFO L158 Benchmark]: TraceAbstraction took 4989.44ms. Allocated memory was 290.5MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 225.8MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 340.8MB. Max. memory is 8.0GB. [2022-09-16 10:34:36,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 228.6MB. Free memory is still 187.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 383.61ms. Allocated memory was 228.6MB in the beginning and 290.5MB in the end (delta: 61.9MB). Free memory was 200.3MB in the beginning and 252.7MB in the end (delta: -52.4MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.67ms. Allocated memory is still 290.5MB. Free memory was 252.3MB in the beginning and 250.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.45ms. Allocated memory is still 290.5MB. Free memory was 250.2MB in the beginning and 248.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 897.84ms. Allocated memory is still 290.5MB. Free memory was 247.8MB in the beginning and 226.3MB in the end (delta: 21.5MB). Peak memory consumption was 60.5MB. Max. memory is 8.0GB. * TraceAbstraction took 4989.44ms. Allocated memory was 290.5MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 225.8MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 340.8MB. 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: 784]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 784]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 796]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 796]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: 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, 164 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 550 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 550 mSDsluCounter, 946 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 488 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 148 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 499 mSDtfsCounter, 148 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=22112occurred 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: 1.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 302 ConstructedInterpolants, 0 QuantifiedInterpolants, 842 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 10:34:36,162 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...