/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 11:49:20,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 11:49:20,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 11:49:20,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 11:49:20,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 11:49:20,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 11:49:20,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 11:49:20,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 11:49:20,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 11:49:20,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 11:49:20,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 11:49:20,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 11:49:20,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 11:49:20,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 11:49:20,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 11:49:20,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 11:49:20,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 11:49:20,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 11:49:20,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 11:49:20,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 11:49:20,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 11:49:20,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2023-05-04 11:49:20,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 11:49:20,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 11:49:20,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 11:49:20,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 11:49:20,585 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 11:49:20,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 11:49:20,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 11:49:20,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 11:49:20,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 11:49:20,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 11:49:20,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 11:49:20,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 11:49:20,587 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 11:49:20,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 11:49:20,588 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 11:49:20,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 11:49:20,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 11:49:20,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 11:49:20,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 11:49:20,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 11:49:20,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 11:49:20,589 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 11:49:20,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 11:49:20,589 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 11:49:20,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 11:49:20,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 11:49:20,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 11:49:20,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 11:49:20,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 11:49:20,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 11:49:20,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 11:49:20,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 11:49:20,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 11:49:20,592 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 11:49:20,592 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 11:49:20,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 11:49:20,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 11:49:20,592 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 11:49:20,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 11:49:20,592 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 11:49:20,593 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 11:49:20,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 11:49:20,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 11:49:20,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 11:49:20,847 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 11:49:20,848 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 11:49:20,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c [2023-05-04 11:49:20,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99bd55a4b/88a6a1ac514a48c1b740cb9c032dd155/FLAG7beb4b444 [2023-05-04 11:49:21,345 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 11:49:21,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c [2023-05-04 11:49:21,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99bd55a4b/88a6a1ac514a48c1b740cb9c032dd155/FLAG7beb4b444 [2023-05-04 11:49:21,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99bd55a4b/88a6a1ac514a48c1b740cb9c032dd155 [2023-05-04 11:49:21,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 11:49:21,369 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 11:49:21,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 11:49:21,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 11:49:21,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 11:49:21,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3369dfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21, skipping insertion in model container [2023-05-04 11:49:21,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 11:49:21,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 11:49:21,682 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/chl-chromosome-subst.wvr.c[3097,3110] [2023-05-04 11:49:21,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 11:49:21,704 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 11:49:21,741 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/chl-chromosome-subst.wvr.c[3097,3110] [2023-05-04 11:49:21,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 11:49:21,762 INFO L208 MainTranslator]: Completed translation [2023-05-04 11:49:21,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21 WrapperNode [2023-05-04 11:49:21,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 11:49:21,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 11:49:21,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 11:49:21,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 11:49:21,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,823 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 275 [2023-05-04 11:49:21,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 11:49:21,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 11:49:21,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 11:49:21,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 11:49:21,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,870 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 11:49:21,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 11:49:21,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 11:49:21,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 11:49:21,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (1/1) ... [2023-05-04 11:49:21,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 11:49:21,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 11:49:21,914 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) [2023-05-04 11:49:21,941 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 [2023-05-04 11:49:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 11:49:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 11:49:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 11:49:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 11:49:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 11:49:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 11:49:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 11:49:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 11:49:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 11:49:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 11:49:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 11:49:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 11:49:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 11:49:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 11:49:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 11:49:21,962 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 11:49:22,121 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 11:49:22,122 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 11:49:22,563 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 11:49:22,583 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 11:49:22,583 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-04 11:49:22,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 11:49:22 BoogieIcfgContainer [2023-05-04 11:49:22,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 11:49:22,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 11:49:22,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 11:49:22,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 11:49:22,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 11:49:21" (1/3) ... [2023-05-04 11:49:22,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b0d635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 11:49:22, skipping insertion in model container [2023-05-04 11:49:22,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:49:21" (2/3) ... [2023-05-04 11:49:22,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b0d635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 11:49:22, skipping insertion in model container [2023-05-04 11:49:22,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 11:49:22" (3/3) ... [2023-05-04 11:49:22,593 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2023-05-04 11:49:22,603 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 11:49:22,611 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 11:49:22,612 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 11:49:22,612 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 11:49:22,736 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 11:49:22,782 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 11:49:22,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 11:49:22,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 11:49:22,789 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) [2023-05-04 11:49:22,791 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 [2023-05-04 11:49:22,818 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 11:49:22,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 11:49:22,846 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=PARTIAL_ORDER_FA, 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;@639d49b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 11:49:22,846 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 11:49:23,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:49:23,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:49:23,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1350344382, now seen corresponding path program 1 times [2023-05-04 11:49:23,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:49:23,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129904353] [2023-05-04 11:49:23,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:23,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:49:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 11:49:23,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:49:23,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129904353] [2023-05-04 11:49:23,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129904353] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 11:49:23,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 11:49:23,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 11:49:23,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367439196] [2023-05-04 11:49:23,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 11:49:23,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 11:49:23,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:49:23,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 11:49:23,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 11:49:23,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:23,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:49:23,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 95.5) internal successors, (191), 2 states have internal predecessors, (191), 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) [2023-05-04 11:49:23,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:23,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:23,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 11:49:23,780 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:49:23,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:49:23,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1923431208, now seen corresponding path program 1 times [2023-05-04 11:49:23,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:49:23,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856556476] [2023-05-04 11:49:23,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:23,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:49:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 11:49:24,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:49:24,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856556476] [2023-05-04 11:49:24,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856556476] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 11:49:24,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 11:49:24,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 11:49:24,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75869544] [2023-05-04 11:49:24,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 11:49:24,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 11:49:24,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:49:24,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 11:49:24,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-04 11:49:24,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:24,214 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:49:24,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.6) internal successors, (223), 5 states have internal predecessors, (223), 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) [2023-05-04 11:49:24,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:24,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:24,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 11:49:24,382 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:49:24,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:49:24,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1964758693, now seen corresponding path program 1 times [2023-05-04 11:49:24,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:49:24,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972317597] [2023-05-04 11:49:24,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:24,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:49:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 11:49:24,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:49:24,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972317597] [2023-05-04 11:49:24,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972317597] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 11:49:24,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211118299] [2023-05-04 11:49:24,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:24,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:49:24,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 11:49:24,705 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) [2023-05-04 11:49:24,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 11:49:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:24,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 11:49:24,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 11:49:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 11:49:25,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 11:49:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 11:49:25,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211118299] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 11:49:25,145 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 11:49:25,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-05-04 11:49:25,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393120573] [2023-05-04 11:49:25,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 11:49:25,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-04 11:49:25,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:49:25,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-04 11:49:25,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-05-04 11:49:25,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:25,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:49:25,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 18.733333333333334) internal successors, (281), 15 states have internal predecessors, (281), 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) [2023-05-04 11:49:25,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:25,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:25,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:25,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:25,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:25,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:25,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 11:49:25,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-04 11:49:25,681 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:49:25,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:49:25,682 INFO L85 PathProgramCache]: Analyzing trace with hash 95183419, now seen corresponding path program 2 times [2023-05-04 11:49:25,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:49:25,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506793550] [2023-05-04 11:49:25,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:25,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:49:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-04 11:49:26,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:49:26,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506793550] [2023-05-04 11:49:26,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506793550] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 11:49:26,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594343740] [2023-05-04 11:49:26,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 11:49:26,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:49:26,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 11:49:26,119 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) [2023-05-04 11:49:26,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 11:49:26,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-04 11:49:26,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 11:49:26,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-04 11:49:26,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 11:49:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-05-04 11:49:26,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 11:49:26,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594343740] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 11:49:26,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 11:49:26,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2023-05-04 11:49:26,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273579490] [2023-05-04 11:49:26,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 11:49:26,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 11:49:26,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:49:26,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 11:49:26,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2023-05-04 11:49:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:26,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:49:26,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 24.4) internal successors, (244), 10 states have internal predecessors, (244), 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) [2023-05-04 11:49:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:26,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:26,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:26,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:26,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:26,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:26,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:26,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:27,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 11:49:27,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:49:27,201 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:49:27,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:49:27,202 INFO L85 PathProgramCache]: Analyzing trace with hash -956207209, now seen corresponding path program 1 times [2023-05-04 11:49:27,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:49:27,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062534383] [2023-05-04 11:49:27,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:27,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:49:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-04 11:49:27,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:49:27,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062534383] [2023-05-04 11:49:27,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062534383] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 11:49:27,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686545894] [2023-05-04 11:49:27,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:27,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:49:27,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 11:49:27,627 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 11:49:27,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 11:49:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:27,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 11:49:27,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 11:49:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-04 11:49:27,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 11:49:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-04 11:49:28,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686545894] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 11:49:28,142 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 11:49:28,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-05-04 11:49:28,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834371844] [2023-05-04 11:49:28,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 11:49:28,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-04 11:49:28,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:49:28,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-04 11:49:28,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-05-04 11:49:28,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:28,144 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:49:28,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 14.045454545454545) internal successors, (309), 22 states have internal predecessors, (309), 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) [2023-05-04 11:49:28,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:28,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:28,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:28,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:28,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:28,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:49:28,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 11:49:28,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:49:28,877 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:49:28,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:49:28,878 INFO L85 PathProgramCache]: Analyzing trace with hash 966613687, now seen corresponding path program 2 times [2023-05-04 11:49:28,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:49:28,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989602917] [2023-05-04 11:49:28,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:28,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:49:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-05-04 11:49:29,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:49:29,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989602917] [2023-05-04 11:49:29,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989602917] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 11:49:29,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 11:49:29,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 11:49:29,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448816114] [2023-05-04 11:49:29,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 11:49:29,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 11:49:29,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:49:29,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 11:49:29,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-05-04 11:49:29,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:29,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:49:29,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 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) [2023-05-04 11:49:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:49:29,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:30,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:30,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:30,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:49:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 11:49:30,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 11:49:30,234 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:49:30,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:49:30,235 INFO L85 PathProgramCache]: Analyzing trace with hash -822319728, now seen corresponding path program 1 times [2023-05-04 11:49:30,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:49:30,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060688553] [2023-05-04 11:49:30,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:30,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:49:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-05-04 11:49:30,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:49:30,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060688553] [2023-05-04 11:49:30,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060688553] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 11:49:30,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 11:49:30,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 11:49:30,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177875738] [2023-05-04 11:49:30,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 11:49:30,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 11:49:30,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:49:30,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 11:49:30,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 11:49:30,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:30,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:49:30,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.166666666666664) internal successors, (277), 6 states have internal predecessors, (277), 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) [2023-05-04 11:49:30,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:30,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:30,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:30,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:30,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:49:30,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 11:49:30,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:49:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 11:49:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:31,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-04 11:49:31,276 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:49:31,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:49:31,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1156490457, now seen corresponding path program 1 times [2023-05-04 11:49:31,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:49:31,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504905684] [2023-05-04 11:49:31,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:31,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:49:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2023-05-04 11:49:32,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:49:32,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504905684] [2023-05-04 11:49:32,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504905684] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 11:49:32,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 11:49:32,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 11:49:32,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839152194] [2023-05-04 11:49:32,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 11:49:32,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 11:49:32,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:49:32,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 11:49:32,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-05-04 11:49:32,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:32,094 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:49:32,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 49.0) internal successors, (343), 7 states have internal predecessors, (343), 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) [2023-05-04 11:49:32,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:32,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:32,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:32,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:32,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:49:32,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 11:49:32,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:32,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:49:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 11:49:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:32,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 11:49:32,613 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:49:32,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:49:32,613 INFO L85 PathProgramCache]: Analyzing trace with hash 984165008, now seen corresponding path program 1 times [2023-05-04 11:49:32,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:49:32,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454855036] [2023-05-04 11:49:32,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:32,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:49:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-05-04 11:49:33,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:49:33,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454855036] [2023-05-04 11:49:33,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454855036] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 11:49:33,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646637285] [2023-05-04 11:49:33,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:33,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:49:33,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 11:49:33,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 11:49:33,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 11:49:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:33,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 41 conjunts are in the unsatisfiable core [2023-05-04 11:49:33,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 11:49:36,566 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-05-04 11:49:36,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 11:49:39,731 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-05-04 11:49:39,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646637285] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 11:49:39,731 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 11:49:39,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 28, 26] total 60 [2023-05-04 11:49:39,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142835657] [2023-05-04 11:49:39,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 11:49:39,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2023-05-04 11:49:39,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:49:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2023-05-04 11:49:39,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=582, Invalid=2958, Unknown=0, NotChecked=0, Total=3540 [2023-05-04 11:49:39,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:39,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:49:39,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 13.833333333333334) internal successors, (830), 60 states have internal predecessors, (830), 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) [2023-05-04 11:49:39,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:39,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:39,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:39,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:39,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:49:39,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 11:49:39,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:39,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:39,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:46,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:49:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 11:49:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-05-04 11:49:46,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-04 11:49:46,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:49:46,531 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:49:46,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:49:46,532 INFO L85 PathProgramCache]: Analyzing trace with hash 866242576, now seen corresponding path program 2 times [2023-05-04 11:49:46,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:49:46,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469804902] [2023-05-04 11:49:46,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:46,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:49:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:49:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-05-04 11:49:47,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:49:47,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469804902] [2023-05-04 11:49:47,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469804902] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 11:49:47,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863737360] [2023-05-04 11:49:47,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 11:49:47,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:49:47,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 11:49:47,783 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 11:49:47,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 11:49:48,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 11:49:48,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 11:49:48,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 47 conjunts are in the unsatisfiable core [2023-05-04 11:49:48,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 11:49:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-05-04 11:49:49,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 11:49:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 238 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-05-04 11:49:53,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863737360] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 11:49:53,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 11:49:53,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 28, 29] total 65 [2023-05-04 11:49:53,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325512034] [2023-05-04 11:49:53,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 11:49:53,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-05-04 11:49:53,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:49:53,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-05-04 11:49:53,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=3618, Unknown=0, NotChecked=0, Total=4160 [2023-05-04 11:49:53,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:53,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:49:53,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 14.6) internal successors, (949), 65 states have internal predecessors, (949), 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) [2023-05-04 11:49:53,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:53,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:53,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:53,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:53,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:49:53,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 11:49:53,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:53,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:53,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-05-04 11:49:53,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:49:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:49:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:49:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:49:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:49:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 11:49:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:49:59,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-05-04 11:49:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-05-04 11:49:59,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 11:49:59,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:49:59,942 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:49:59,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:49:59,942 INFO L85 PathProgramCache]: Analyzing trace with hash -574530372, now seen corresponding path program 3 times [2023-05-04 11:49:59,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:49:59,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185199671] [2023-05-04 11:49:59,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:49:59,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:50:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:50:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 136 proven. 37 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2023-05-04 11:50:08,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:50:08,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185199671] [2023-05-04 11:50:08,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185199671] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 11:50:08,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540734522] [2023-05-04 11:50:08,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 11:50:08,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:50:08,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 11:50:08,681 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 11:50:08,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 11:50:08,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-04 11:50:08,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 11:50:08,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 132 conjunts are in the unsatisfiable core [2023-05-04 11:50:08,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 11:50:08,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 11:50:09,053 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 11:50:09,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 11:50:12,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 11:50:12,182 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 11:50:12,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 25 [2023-05-04 11:50:14,681 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 11:50:14,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 116 [2023-05-04 11:50:16,646 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 137 proven. 36 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2023-05-04 11:50:16,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 11:50:24,354 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 11:50:24,355 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 344 [2023-05-04 11:50:24,390 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 11:50:24,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 125 treesize of output 155 [2023-05-04 11:50:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 4 proven. 169 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2023-05-04 11:50:37,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540734522] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 11:50:37,264 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 11:50:37,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 55, 53] total 151 [2023-05-04 11:50:37,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160759875] [2023-05-04 11:50:37,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 11:50:37,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2023-05-04 11:50:37,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:50:37,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2023-05-04 11:50:37,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=21943, Unknown=41, NotChecked=0, Total=22650 [2023-05-04 11:50:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:50:37,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:50:37,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 6.344370860927152) internal successors, (958), 151 states have internal predecessors, (958), 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) [2023-05-04 11:50:37,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:50:37,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:50:37,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:50:37,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:50:37,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:50:37,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 11:50:37,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:50:37,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:50:37,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-05-04 11:50:37,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-05-04 11:50:37,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:51:32,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:51:32,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 11:51:32,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 11:51:32,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:51:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 11:51:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 11:51:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:51:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 11:51:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-05-04 11:51:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-05-04 11:51:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2023-05-04 11:51:32,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 11:51:32,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:51:32,349 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:51:32,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:51:32,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1491974882, now seen corresponding path program 4 times [2023-05-04 11:51:32,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:51:32,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441350614] [2023-05-04 11:51:32,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:51:32,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:51:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:51:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 3 proven. 232 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-05-04 11:51:41,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:51:41,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441350614] [2023-05-04 11:51:41,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441350614] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 11:51:41,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777695149] [2023-05-04 11:51:41,363 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 11:51:41,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 11:51:41,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 11:51:41,365 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 11:51:41,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 11:51:41,850 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 11:51:41,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 11:51:41,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 126 conjunts are in the unsatisfiable core [2023-05-04 11:51:41,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 11:51:45,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 11:51:45,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 11:51:45,775 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 11:51:45,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 25 [2023-05-04 11:51:48,586 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 11:51:48,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 41 [2023-05-04 11:51:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2023-05-04 11:51:51,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 11:52:02,354 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_thread2Thread1of1ForFork0_~stop~1#1| 256) 0))) (or (and (< |c_thread2Thread1of1ForFork0_#t~post8#1| 4) .cse0) (let ((.cse15 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (let ((.cse5 (+ c_~o_0~0.offset .cse15)) (.cse7 (+ c_~o_2~0.offset .cse15))) (let ((.cse1 (< c_~result_10~0 0)) (.cse12 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse13 (select .cse14 ~o_2~0.base))) (or (= (select .cse13 c_~o_2~0.offset) (select (select .cse14 c_~o_4~0.base) c_~o_4~0.offset)) (not (= (select (select .cse14 c_~o_0~0.base) .cse5) (select .cse13 .cse7))))))))) (and (or (not .cse1) (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse6 (select .cse4 ~o_2~0.base))) (let ((.cse2 (select .cse6 c_~o_2~0.offset)) (.cse3 (select (select .cse4 c_~o_4~0.base) c_~o_4~0.offset))) (or (= .cse2 .cse3) (< .cse2 .cse3) (not (= (select (select .cse4 c_~o_0~0.base) .cse5) (select .cse6 .cse7))))))))) (or .cse1 (and (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse11 (select .cse10 ~o_2~0.base))) (let ((.cse9 (select (select .cse10 c_~o_4~0.base) c_~o_4~0.offset)) (.cse8 (select .cse11 c_~o_2~0.offset))) (or (= .cse8 .cse9) (not (= (select (select .cse10 c_~o_0~0.base) .cse5) (select .cse11 .cse7))) (< .cse9 .cse8)))))) (or (< 0 c_~result_10~0) .cse12))) (or (not .cse0) .cse12))))))) is different from false [2023-05-04 11:52:02,403 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod |c_thread2Thread1of1ForFork0_~stop~1#1| 256) 0))) (or (and (< |c_thread2Thread1of1ForFork0_~i~1#1| 4) .cse0) (let ((.cse15 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (let ((.cse5 (+ c_~o_0~0.offset .cse15)) (.cse7 (+ c_~o_2~0.offset .cse15))) (let ((.cse1 (< c_~result_10~0 0)) (.cse12 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse13 (select .cse14 ~o_2~0.base))) (or (= (select .cse13 c_~o_2~0.offset) (select (select .cse14 c_~o_4~0.base) c_~o_4~0.offset)) (not (= (select (select .cse14 c_~o_0~0.base) .cse5) (select .cse13 .cse7))))))))) (and (or (not .cse1) (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse6 (select .cse4 ~o_2~0.base))) (let ((.cse2 (select .cse6 c_~o_2~0.offset)) (.cse3 (select (select .cse4 c_~o_4~0.base) c_~o_4~0.offset))) (or (= .cse2 .cse3) (< .cse2 .cse3) (not (= (select (select .cse4 c_~o_0~0.base) .cse5) (select .cse6 .cse7))))))))) (or .cse1 (and (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse11 (select .cse10 ~o_2~0.base))) (let ((.cse9 (select (select .cse10 c_~o_4~0.base) c_~o_4~0.offset)) (.cse8 (select .cse11 c_~o_2~0.offset))) (or (= .cse8 .cse9) (not (= (select (select .cse10 c_~o_0~0.base) .cse5) (select .cse11 .cse7))) (< .cse9 .cse8)))))) (or (< 0 c_~result_10~0) .cse12))) (or (not .cse0) .cse12))))))) is different from false [2023-05-04 11:52:02,456 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (let ((.cse4 (+ c_~o_0~0.offset .cse15)) (.cse6 (+ c_~o_2~0.offset .cse15))) (let ((.cse7 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse14 (select .cse13 ~o_2~0.base))) (let ((.cse12 (select (select .cse13 c_~o_4~0.base) c_~o_4~0.offset)) (.cse11 (select .cse14 c_~o_2~0.offset))) (or (= .cse11 .cse12) (not (= (select (select .cse13 c_~o_0~0.base) .cse4) (select .cse14 .cse6))) (< .cse12 .cse11))))))) (.cse8 (= c_~result_10~0 0))) (and (or (let ((.cse0 (< c_~result_10~0 0))) (and (or (not .cse0) (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse5 (select .cse3 ~o_2~0.base))) (let ((.cse1 (select .cse5 c_~o_2~0.offset)) (.cse2 (select (select .cse3 c_~o_4~0.base) c_~o_4~0.offset))) (or (= .cse1 .cse2) (< .cse1 .cse2) (not (= (select (select .cse3 c_~o_0~0.base) .cse4) (select .cse5 .cse6))))))))) (or .cse0 .cse7))) .cse8) (or (and .cse7 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse9 (select .cse10 ~o_2~0.base))) (or (= (select .cse9 c_~o_2~0.offset) (select (select .cse10 c_~o_4~0.base) c_~o_4~0.offset)) (not (= (select (select .cse10 c_~o_0~0.base) .cse4) (select .cse9 .cse6)))))))) (< |c_thread2Thread1of1ForFork0_~i~1#1| 4) (not .cse8)))))) is different from false [2023-05-04 11:52:02,612 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (let ((.cse4 (+ c_~o_0~0.offset .cse15)) (.cse6 (+ c_~o_2~0.offset .cse15))) (let ((.cse7 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse14 (select .cse13 ~o_2~0.base))) (let ((.cse12 (select (select .cse13 c_~o_4~0.base) c_~o_4~0.offset)) (.cse11 (select .cse14 c_~o_2~0.offset))) (or (= .cse11 .cse12) (not (= (select (select .cse13 c_~o_0~0.base) .cse4) (select .cse14 .cse6))) (< .cse12 .cse11))))))) (.cse8 (= |c_thread2Thread1of1ForFork0_#t~ret7#1| 0))) (and (or (let ((.cse0 (< |c_thread2Thread1of1ForFork0_#t~ret7#1| 0))) (and (or (not .cse0) (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse5 (select .cse3 ~o_2~0.base))) (let ((.cse1 (select .cse5 c_~o_2~0.offset)) (.cse2 (select (select .cse3 c_~o_4~0.base) c_~o_4~0.offset))) (or (= .cse1 .cse2) (< .cse1 .cse2) (not (= (select (select .cse3 c_~o_0~0.base) .cse4) (select .cse5 .cse6))))))))) (or .cse7 .cse0))) .cse8) (or (and .cse7 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse9 (select .cse10 ~o_2~0.base))) (or (= (select .cse9 c_~o_2~0.offset) (select (select .cse10 c_~o_4~0.base) c_~o_4~0.offset)) (not (= (select (select .cse10 c_~o_0~0.base) .cse4) (select .cse9 .cse6)))))))) (< |c_thread2Thread1of1ForFork0_~i~1#1| 4) (not .cse8)))))) is different from false [2023-05-04 11:52:02,734 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (let ((.cse3 (+ c_~o_0~0.offset .cse15)) (.cse4 (+ c_~o_2~0.offset .cse15))) (let ((.cse0 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse14 (select .cse13 ~o_2~0.base))) (let ((.cse12 (select (select .cse13 c_~o_4~0.base) c_~o_4~0.offset)) (.cse11 (select .cse14 c_~o_2~0.offset))) (or (= .cse11 .cse12) (not (= (select (select .cse13 c_~o_0~0.base) .cse3) (select .cse14 .cse4))) (< .cse12 .cse11))))))) (.cse5 (= |c_thread2Thread1of1ForFork0_minus_#res#1| 0))) (and (or (and .cse0 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse1 (select .cse2 ~o_2~0.base))) (or (= (select .cse1 c_~o_2~0.offset) (select (select .cse2 c_~o_4~0.base) c_~o_4~0.offset)) (not (= (select (select .cse2 c_~o_0~0.base) .cse3) (select .cse1 .cse4)))))))) (< |c_thread2Thread1of1ForFork0_~i~1#1| 4) (not .cse5)) (or (let ((.cse6 (< |c_thread2Thread1of1ForFork0_minus_#res#1| 0))) (and (or (not .cse6) (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse10 (select .cse9 ~o_2~0.base))) (let ((.cse7 (select .cse10 c_~o_2~0.offset)) (.cse8 (select (select .cse9 c_~o_4~0.base) c_~o_4~0.offset))) (or (= .cse7 .cse8) (< .cse7 .cse8) (not (= (select (select .cse9 c_~o_0~0.base) .cse3) (select .cse10 .cse4))))))))) (or .cse0 .cse6))) .cse5))))) is different from false [2023-05-04 11:52:02,781 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (let ((.cse3 (+ c_~o_0~0.offset .cse15)) (.cse4 (+ c_~o_2~0.offset .cse15))) (let ((.cse0 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse14 (select .cse13 ~o_2~0.base))) (let ((.cse12 (select (select .cse13 c_~o_4~0.base) c_~o_4~0.offset)) (.cse11 (select .cse14 c_~o_2~0.offset))) (or (= .cse11 .cse12) (not (= (select (select .cse13 c_~o_0~0.base) .cse3) (select .cse14 .cse4))) (< .cse12 .cse11))))))) (.cse5 (= |c_thread2Thread1of1ForFork0_minus_~b#1| |c_thread2Thread1of1ForFork0_minus_~a#1|))) (and (or (and .cse0 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse1 (select .cse2 ~o_2~0.base))) (or (= (select .cse1 c_~o_2~0.offset) (select (select .cse2 c_~o_4~0.base) c_~o_4~0.offset)) (not (= (select (select .cse2 c_~o_0~0.base) .cse3) (select .cse1 .cse4)))))))) (< |c_thread2Thread1of1ForFork0_~i~1#1| 4) (not .cse5)) (or (let ((.cse6 (< |c_thread2Thread1of1ForFork0_minus_~a#1| |c_thread2Thread1of1ForFork0_minus_~b#1|))) (and (or .cse0 .cse6) (or (not .cse6) (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse10 (select .cse9 ~o_2~0.base))) (let ((.cse7 (select .cse10 c_~o_2~0.offset)) (.cse8 (select (select .cse9 c_~o_4~0.base) c_~o_4~0.offset))) (or (= .cse7 .cse8) (< .cse7 .cse8) (not (= (select (select .cse9 c_~o_0~0.base) .cse3) (select .cse10 .cse4))))))))))) .cse5))))) is different from false [2023-05-04 11:52:03,296 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (let ((.cse3 (+ c_~o_0~0.offset .cse15)) (.cse4 (+ c_~o_2~0.offset .cse15))) (let ((.cse0 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse14 (select .cse13 ~o_2~0.base))) (let ((.cse12 (select (select .cse13 c_~o_4~0.base) c_~o_4~0.offset)) (.cse11 (select .cse14 c_~o_2~0.offset))) (or (= .cse11 .cse12) (not (= (select (select .cse13 c_~o_0~0.base) .cse3) (select .cse14 .cse4))) (< .cse12 .cse11))))))) (.cse5 (= |c_thread2Thread1of1ForFork0_minus_#in~b#1| |c_thread2Thread1of1ForFork0_minus_~a#1|))) (and (or (and .cse0 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse1 (select .cse2 ~o_2~0.base))) (or (= (select .cse1 c_~o_2~0.offset) (select (select .cse2 c_~o_4~0.base) c_~o_4~0.offset)) (not (= (select (select .cse2 c_~o_0~0.base) .cse3) (select .cse1 .cse4)))))))) (< |c_thread2Thread1of1ForFork0_~i~1#1| 4) (not .cse5)) (or (let ((.cse6 (< |c_thread2Thread1of1ForFork0_minus_~a#1| |c_thread2Thread1of1ForFork0_minus_#in~b#1|))) (and (or .cse0 .cse6) (or (not .cse6) (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse10 (select .cse9 ~o_2~0.base))) (let ((.cse7 (select .cse10 c_~o_2~0.offset)) (.cse8 (select (select .cse9 c_~o_4~0.base) c_~o_4~0.offset))) (or (= .cse7 .cse8) (< .cse7 .cse8) (not (= (select (select .cse9 c_~o_0~0.base) .cse3) (select .cse10 .cse4))))))))))) .cse5))))) is different from false [2023-05-04 11:52:04,212 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4)) (.cse11 (select (select |c_#memory_int| c_~o_4~0.base) (+ (* |c_thread2Thread1of1ForFork0_~i~1#1| 4) c_~o_4~0.offset)))) (let ((.cse12 (= |c_thread2Thread1of1ForFork0_#t~mem5#1| .cse11)) (.cse4 (+ c_~o_0~0.offset .cse15)) (.cse6 (+ c_~o_2~0.offset .cse15))) (and (or (let ((.cse0 (< |c_thread2Thread1of1ForFork0_#t~mem5#1| .cse11))) (and (or .cse0 (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse5 (select .cse3 ~o_2~0.base))) (let ((.cse2 (select (select .cse3 c_~o_4~0.base) c_~o_4~0.offset)) (.cse1 (select .cse5 c_~o_2~0.offset))) (or (= .cse1 .cse2) (not (= (select (select .cse3 c_~o_0~0.base) .cse4) (select .cse5 .cse6))) (< .cse2 .cse1))))))) (or (not .cse0) (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse10 (select .cse9 ~o_2~0.base))) (let ((.cse7 (select .cse10 c_~o_2~0.offset)) (.cse8 (select (select .cse9 c_~o_4~0.base) c_~o_4~0.offset))) (or (= .cse7 .cse8) (< .cse7 .cse8) (not (= (select (select .cse9 c_~o_0~0.base) .cse4) (select .cse10 .cse6))))))))))) .cse12) (or (not .cse12) (< |c_thread2Thread1of1ForFork0_~i~1#1| 4) (forall ((v_ArrVal_759 (Array Int Int)) (~o_2~0.base Int)) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_759))) (let ((.cse13 (select .cse14 ~o_2~0.base))) (or (= (select .cse13 c_~o_2~0.offset) (select (select .cse14 c_~o_4~0.base) c_~o_4~0.offset)) (not (= (select (select .cse14 c_~o_0~0.base) .cse4) (select .cse13 .cse6))))))))))) is different from false [2023-05-04 11:52:04,563 INFO L356 Elim1Store]: treesize reduction 30, result has 92.2 percent of original size [2023-05-04 11:52:04,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 526 treesize of output 704 [2023-05-04 11:52:04,627 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 11:52:04,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 346 treesize of output 369 [2023-05-04 11:52:04,684 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 11:52:04,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 306 treesize of output 329 Received shutdown request... [2023-05-04 12:02:39,246 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 [2023-05-04 12:02:39,251 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 12:02:39,253 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 12:02:39,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 12:02:39,291 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 [2023-05-04 12:02:39,291 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 12:02:39,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-04 12:02:39,455 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 527 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. [2023-05-04 12:02:39,456 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 12:02:39,456 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 12:02:39,456 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 12:02:39,461 INFO L444 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1] [2023-05-04 12:02:39,463 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 12:02:39,464 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 12:02:39,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 12:02:39 BasicIcfg [2023-05-04 12:02:39,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 12:02:39,466 INFO L158 Benchmark]: Toolchain (without parser) took 798097.76ms. Allocated memory was 189.8MB in the beginning and 1.1GB in the end (delta: 928.0MB). Free memory was 134.4MB in the beginning and 709.0MB in the end (delta: -574.6MB). Peak memory consumption was 751.1MB. Max. memory is 8.0GB. [2023-05-04 12:02:39,467 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 12:02:39,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.64ms. Allocated memory is still 189.8MB. Free memory was 134.1MB in the beginning and 163.0MB in the end (delta: -29.0MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2023-05-04 12:02:39,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.66ms. Allocated memory is still 189.8MB. Free memory was 163.0MB in the beginning and 160.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 12:02:39,467 INFO L158 Benchmark]: Boogie Preprocessor took 49.63ms. Allocated memory is still 189.8MB. Free memory was 160.6MB in the beginning and 158.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 12:02:39,467 INFO L158 Benchmark]: RCFGBuilder took 711.10ms. Allocated memory is still 189.8MB. Free memory was 158.5MB in the beginning and 133.0MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-05-04 12:02:39,468 INFO L158 Benchmark]: TraceAbstraction took 796878.61ms. Allocated memory was 189.8MB in the beginning and 1.1GB in the end (delta: 928.0MB). Free memory was 131.6MB in the beginning and 709.0MB in the end (delta: -577.4MB). Peak memory consumption was 749.4MB. Max. memory is 8.0GB. [2023-05-04 12:02:39,470 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 390.64ms. Allocated memory is still 189.8MB. Free memory was 134.1MB in the beginning and 163.0MB in the end (delta: -29.0MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.66ms. Allocated memory is still 189.8MB. Free memory was 163.0MB in the beginning and 160.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.63ms. Allocated memory is still 189.8MB. Free memory was 160.6MB in the beginning and 158.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 711.10ms. Allocated memory is still 189.8MB. Free memory was 158.5MB in the beginning and 133.0MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 796878.61ms. Allocated memory was 189.8MB in the beginning and 1.1GB in the end (delta: 928.0MB). Free memory was 131.6MB in the beginning and 709.0MB in the end (delta: -577.4MB). Peak memory consumption was 749.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 196123, independent: 192055, independent conditional: 166885, independent unconditional: 25170, dependent: 4068, dependent conditional: 4047, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 192362, independent: 192055, independent conditional: 166885, independent unconditional: 25170, dependent: 307, dependent conditional: 286, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 192362, independent: 192055, independent conditional: 166885, independent unconditional: 25170, dependent: 307, dependent conditional: 286, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194359, independent: 192055, independent conditional: 42, independent unconditional: 192013, dependent: 2304, dependent conditional: 1955, dependent unconditional: 349, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 194359, independent: 192055, independent conditional: 42, independent unconditional: 192013, dependent: 2304, dependent conditional: 413, dependent unconditional: 1891, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 194359, independent: 192055, independent conditional: 42, independent unconditional: 192013, dependent: 2304, dependent conditional: 413, dependent unconditional: 1891, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21930, independent: 21876, independent conditional: 5, independent unconditional: 21871, dependent: 54, dependent conditional: 33, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21930, independent: 21871, independent conditional: 0, independent unconditional: 21871, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 54, dependent conditional: 33, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 54, dependent conditional: 33, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, independent: 27, independent conditional: 27, independent unconditional: 0, dependent: 211, dependent conditional: 85, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 194359, independent: 170179, independent conditional: 37, independent unconditional: 170142, dependent: 2250, dependent conditional: 380, dependent unconditional: 1870, unknown: 21930, unknown conditional: 38, unknown unconditional: 21892] , Statistics on independence cache: Total cache size (in pairs): 21930, Positive cache size: 21876, Positive conditional cache size: 5, Positive unconditional cache size: 21871, Negative cache size: 54, Negative conditional cache size: 33, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1542, Maximal queried relation: 10, Independence queries for same thread: 3761 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 4131, Number of trivial persistent sets: 3526, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25191, independent: 25170, independent conditional: 0, independent unconditional: 25170, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 196123, independent: 192055, independent conditional: 166885, independent unconditional: 25170, dependent: 4068, dependent conditional: 4047, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 192362, independent: 192055, independent conditional: 166885, independent unconditional: 25170, dependent: 307, dependent conditional: 286, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 192362, independent: 192055, independent conditional: 166885, independent unconditional: 25170, dependent: 307, dependent conditional: 286, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194359, independent: 192055, independent conditional: 42, independent unconditional: 192013, dependent: 2304, dependent conditional: 1955, dependent unconditional: 349, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 194359, independent: 192055, independent conditional: 42, independent unconditional: 192013, dependent: 2304, dependent conditional: 413, dependent unconditional: 1891, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 194359, independent: 192055, independent conditional: 42, independent unconditional: 192013, dependent: 2304, dependent conditional: 413, dependent unconditional: 1891, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21930, independent: 21876, independent conditional: 5, independent unconditional: 21871, dependent: 54, dependent conditional: 33, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21930, independent: 21871, independent conditional: 0, independent unconditional: 21871, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 54, dependent conditional: 33, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 54, dependent conditional: 33, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, independent: 27, independent conditional: 27, independent unconditional: 0, dependent: 211, dependent conditional: 85, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 194359, independent: 170179, independent conditional: 37, independent unconditional: 170142, dependent: 2250, dependent conditional: 380, dependent unconditional: 1870, unknown: 21930, unknown conditional: 38, unknown unconditional: 21892] , Statistics on independence cache: Total cache size (in pairs): 21930, Positive cache size: 21876, Positive conditional cache size: 5, Positive unconditional cache size: 21871, Negative cache size: 54, Negative conditional cache size: 33, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1542, Maximal queried relation: 10, Independence queries for same thread: 3761 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 527 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 527 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 527 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 527 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 11ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 486 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 796.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 71.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 476, 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: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 53.9s InterpolantComputationTime, 6351 NumberOfCodeBlocks, 6072 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 8437 ConstructedInterpolants, 102 QuantifiedInterpolants, 62989 SizeOfPredicates, 141 NumberOfNonLiveVariables, 4189 ConjunctsInSsa, 249 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 4061/5327 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