/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 03:39:42,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 03:39:42,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 03:39:42,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 03:39:42,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 03:39:42,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 03:39:42,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 03:39:42,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 03:39:42,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 03:39:42,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 03:39:42,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 03:39:42,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 03:39:42,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 03:39:42,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 03:39:42,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 03:39:42,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 03:39:42,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 03:39:42,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 03:39:42,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 03:39:42,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 03:39:42,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 03:39:42,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 03:39:42,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 03:39:42,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 03:39:42,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 03:39:42,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 03:39:42,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 03:39:42,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 03:39:42,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 03:39:42,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 03:39:42,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 03:39:42,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 03:39:42,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 03:39:42,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 03:39:42,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 03:39:42,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 03:39:42,361 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 03:39:42,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 03:39:42,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 03:39:42,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 03:39:42,387 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 03:39:42,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 03:39:42,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 03:39:42,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 03:39:42,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 03:39:42,388 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 03:39:42,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 03:39:42,389 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 03:39:42,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 03:39:42,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 03:39:42,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 03:39:42,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 03:39:42,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 03:39:42,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 03:39:42,390 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 03:39:42,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 03:39:42,390 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 03:39:42,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 03:39:42,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 03:39:42,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 03:39:42,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 03:39:42,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 03:39:42,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 03:39:42,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 03:39:42,391 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 03:39:42,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 03:39:42,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 03:39:42,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 03:39:42,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 03:39:42,392 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 03:39:42,392 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 03:39:42,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 03:39:42,392 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 03:39:42,392 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 03:39:42,392 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 03:39:42,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 03:39:42,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 03:39:42,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 03:39:42,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 03:39:42,600 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 03:39:42,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2022-03-04 03:39:42,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a3d724b/8f607b915de7476490ebbbe23789ef0f/FLAGa495df379 [2022-03-04 03:39:43,052 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 03:39:43,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2022-03-04 03:39:43,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a3d724b/8f607b915de7476490ebbbe23789ef0f/FLAGa495df379 [2022-03-04 03:39:43,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a3d724b/8f607b915de7476490ebbbe23789ef0f [2022-03-04 03:39:43,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 03:39:43,072 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 03:39:43,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 03:39:43,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 03:39:43,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 03:39:43,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699f2b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43, skipping insertion in model container [2022-03-04 03:39:43,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 03:39:43,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 03:39:43,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-03-04 03:39:43,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 03:39:43,271 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 03:39:43,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-03-04 03:39:43,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 03:39:43,303 INFO L208 MainTranslator]: Completed translation [2022-03-04 03:39:43,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43 WrapperNode [2022-03-04 03:39:43,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 03:39:43,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 03:39:43,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 03:39:43,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 03:39:43,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,334 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-03-04 03:39:43,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 03:39:43,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 03:39:43,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 03:39:43,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 03:39:43,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 03:39:43,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 03:39:43,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 03:39:43,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 03:39:43,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43" (1/1) ... [2022-03-04 03:39:43,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 03:39:43,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:39:43,387 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) [2022-03-04 03:39:43,393 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 [2022-03-04 03:39:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 03:39:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 03:39:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 03:39:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 03:39:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 03:39:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 03:39:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 03:39:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 03:39:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 03:39:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 03:39:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 03:39:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 03:39:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 03:39:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 03:39:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 03:39:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 03:39:43,421 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 03:39:43,480 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 03:39:43,481 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 03:39:43,738 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 03:39:43,752 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 03:39:43,752 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-04 03:39:43,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 03:39:43 BoogieIcfgContainer [2022-03-04 03:39:43,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 03:39:43,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 03:39:43,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 03:39:43,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 03:39:43,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:39:43" (1/3) ... [2022-03-04 03:39:43,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c48cb52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:39:43, skipping insertion in model container [2022-03-04 03:39:43,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:39:43" (2/3) ... [2022-03-04 03:39:43,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c48cb52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:39:43, skipping insertion in model container [2022-03-04 03:39:43,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 03:39:43" (3/3) ... [2022-03-04 03:39:43,762 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2022-03-04 03:39:43,766 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 03:39:43,766 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 03:39:43,766 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 03:39:43,766 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 03:39:43,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,812 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,813 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,813 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,813 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,820 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,820 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,820 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,821 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 03:39:43,831 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 03:39:43,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 03:39:43,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:39:43,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 03:39:43,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 03:39:43,893 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 03:39:43,899 INFO L339 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 03:39:43,899 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 03:39:43,988 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-03-04 03:39:43,990 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 03:39:43,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:43,994 INFO L85 PathProgramCache]: Analyzing trace with hash 584613736, now seen corresponding path program 1 times [2022-03-04 03:39:44,002 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:44,002 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362137135] [2022-03-04 03:39:44,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:44,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:44,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:44,214 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:44,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362137135] [2022-03-04 03:39:44,215 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362137135] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:39:44,216 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:39:44,216 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 03:39:44,218 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206846176] [2022-03-04 03:39:44,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:39:44,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-04 03:39:44,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:44,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-04 03:39:44,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-04 03:39:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:44,250 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:44,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 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) [2022-03-04 03:39:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:44,311 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-03-04 03:39:44,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:44,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 03:39:44,313 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 03:39:44,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:44,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1720404299, now seen corresponding path program 1 times [2022-03-04 03:39:44,317 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:44,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117159336] [2022-03-04 03:39:44,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:44,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:44,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:44,951 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:44,951 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117159336] [2022-03-04 03:39:44,951 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117159336] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:39:44,951 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:39:44,951 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-04 03:39:44,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249443231] [2022-03-04 03:39:44,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:39:44,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-04 03:39:44,954 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:44,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-04 03:39:44,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-04 03:39:44,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:44,956 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:44,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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) [2022-03-04 03:39:44,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:44,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:45,229 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 385 transitions and produced 368 states. [2022-03-04 03:39:45,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:45,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:45,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 03:39:45,231 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 03:39:45,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:45,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2048113968, now seen corresponding path program 1 times [2022-03-04 03:39:45,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:45,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205062486] [2022-03-04 03:39:45,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:45,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:45,470 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:45,471 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205062486] [2022-03-04 03:39:45,471 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205062486] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 03:39:45,472 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 03:39:45,472 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-04 03:39:45,472 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632390814] [2022-03-04 03:39:45,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 03:39:45,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 03:39:45,473 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:45,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 03:39:45,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-04 03:39:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:45,474 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:45,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2022-03-04 03:39:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:45,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:45,677 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 622 transitions and produced 464 states. [2022-03-04 03:39:45,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:45,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:45,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 03:39:45,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 03:39:45,678 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 03:39:45,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:45,679 INFO L85 PathProgramCache]: Analyzing trace with hash 446012346, now seen corresponding path program 1 times [2022-03-04 03:39:45,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:45,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489943824] [2022-03-04 03:39:45,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:45,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:45,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:39:45,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489943824] [2022-03-04 03:39:45,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489943824] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 03:39:45,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418671419] [2022-03-04 03:39:45,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:45,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 03:39:45,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:39:45,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 03:39:45,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 03:39:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:39:46,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-04 03:39:46,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 03:39:46,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:46,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 03:39:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:39:47,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418671419] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 03:39:47,071 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 03:39:47,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-03-04 03:39:47,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485661037] [2022-03-04 03:39:47,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 03:39:47,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-04 03:39:47,073 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:39:47,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-04 03:39:47,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-03-04 03:39:47,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:47,075 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:39:47,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.285714285714286) internal successors, (186), 14 states have internal predecessors, (186), 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) [2022-03-04 03:39:47,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:47,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:47,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 03:39:47,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:47,628 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 640 transitions and produced 482 states. [2022-03-04 03:39:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:39:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:39:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 03:39:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 03:39:47,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 03:39:47,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-04 03:39:47,830 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 03:39:47,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 03:39:47,831 INFO L85 PathProgramCache]: Analyzing trace with hash 61756117, now seen corresponding path program 1 times [2022-03-04 03:39:47,831 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 03:39:47,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100403952] [2022-03-04 03:39:47,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:39:47,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 03:39:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 03:44:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 03:44:06,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 03:44:06,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100403952] [2022-03-04 03:44:06,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100403952] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 03:44:06,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099955227] [2022-03-04 03:44:06,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 03:44:06,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 03:44:06,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 03:44:06,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 03:44:06,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process Received shutdown request... [2022-03-04 03:54:19,516 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 03:54:19,517 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 03:54:19,517 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 03:54:20,550 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 [2022-03-04 03:54:20,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-04 03:54:20,717 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forcibly destroying the process [2022-03-04 03:54:20,729 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-04 03:54:20,730 INFO L191 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-03-04 03:54:20,730 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2022-03-04 03:54:20,730 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388811624] [2022-03-04 03:54:20,730 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-03-04 03:54:20,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-04 03:54:20,731 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 03:54:20,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-04 03:54:20,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=478, Unknown=17, NotChecked=0, Total=552 [2022-03-04 03:54:20,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:54:20,734 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 03:54:20,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.5) internal successors, (108), 24 states have internal predecessors, (108), 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) [2022-03-04 03:54:20,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:54:20,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 03:54:20,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 03:54:20,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 03:54:20,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 03:54:20,736 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forcibly destroying the process [2022-03-04 03:54:20,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 03:54:20,736 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-03-04 03:54:20,738 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-04 03:54:20,738 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-04 03:54:20,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-04 03:54:20,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-04 03:54:20,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-04 03:54:20,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 137 [2022-03-04 03:54:20,752 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-04 03:54:20,759 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 03:54:20,759 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 03:54:20,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 03:54:20 BasicIcfg [2022-03-04 03:54:20,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 03:54:20,767 INFO L158 Benchmark]: Toolchain (without parser) took 877690.01ms. Allocated memory was 189.8MB in the beginning and 950.0MB in the end (delta: 760.2MB). Free memory was 132.5MB in the beginning and 406.1MB in the end (delta: -273.6MB). Peak memory consumption was 487.1MB. Max. memory is 8.0GB. [2022-03-04 03:54:20,767 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 189.8MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 03:54:20,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.99ms. Allocated memory was 189.8MB in the beginning and 292.6MB in the end (delta: 102.8MB). Free memory was 132.3MB in the beginning and 260.8MB in the end (delta: -128.5MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-03-04 03:54:20,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.05ms. Allocated memory is still 292.6MB. Free memory was 260.8MB in the beginning and 258.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 03:54:20,771 INFO L158 Benchmark]: Boogie Preprocessor took 22.72ms. Allocated memory is still 292.6MB. Free memory was 258.7MB in the beginning and 257.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 03:54:20,772 INFO L158 Benchmark]: RCFGBuilder took 396.36ms. Allocated memory is still 292.6MB. Free memory was 257.7MB in the beginning and 243.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-04 03:54:20,774 INFO L158 Benchmark]: TraceAbstraction took 877005.93ms. Allocated memory was 292.6MB in the beginning and 950.0MB in the end (delta: 657.5MB). Free memory was 242.5MB in the beginning and 406.1MB in the end (delta: -163.6MB). Peak memory consumption was 494.9MB. Max. memory is 8.0GB. [2022-03-04 03:54:20,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 189.8MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 229.99ms. Allocated memory was 189.8MB in the beginning and 292.6MB in the end (delta: 102.8MB). Free memory was 132.3MB in the beginning and 260.8MB in the end (delta: -128.5MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.05ms. Allocated memory is still 292.6MB. Free memory was 260.8MB in the beginning and 258.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.72ms. Allocated memory is still 292.6MB. Free memory was 258.7MB in the beginning and 257.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 396.36ms. Allocated memory is still 292.6MB. Free memory was 257.7MB in the beginning and 243.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 877005.93ms. Allocated memory was 292.6MB in the beginning and 950.0MB in the end (delta: 657.5MB). Free memory was 242.5MB in the beginning and 406.1MB in the end (delta: -163.6MB). Peak memory consumption was 494.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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 - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 188 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 876.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 260.7s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 10714 SizeOfPredicates, 10 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown