/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 GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-min-array-hom.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 09:43:01,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 09:43:01,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 09:43:01,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 09:43:01,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 09:43:01,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 09:43:01,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 09:43:01,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 09:43:01,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 09:43:01,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 09:43:01,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 09:43:01,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 09:43:01,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 09:43:01,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 09:43:01,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 09:43:01,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 09:43:01,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 09:43:01,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 09:43:01,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 09:43:01,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 09:43:01,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 09:43:01,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 09:43:01,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 09:43:01,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 09:43:01,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 09:43:01,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 09:43:01,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 09:43:01,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 09:43:01,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 09:43:01,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 09:43:01,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 09:43:01,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 09:43:01,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 09:43:01,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 09:43:01,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 09:43:01,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 09:43:01,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 09:43:01,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 09:43:01,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 09:43:01,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 09:43:01,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 09:43:01,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 09:43:01,788 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 09:43:01,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 09:43:01,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 09:43:01,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 09:43:01,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 09:43:01,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 09:43:01,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 09:43:01,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 09:43:01,793 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 09:43:01,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 09:43:01,793 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 09:43:01,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 09:43:01,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 09:43:01,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 09:43:01,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 09:43:01,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 09:43:01,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 09:43:01,794 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 09:43:01,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 09:43:01,795 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 09:43:01,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 09:43:01,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 09:43:01,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 09:43:01,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 09:43:01,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 09:43:01,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 09:43:01,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 09:43:01,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 09:43:01,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 09:43:01,797 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 09:43:01,797 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 09:43:01,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 09:43:01,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 09:43:01,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 09:43:01,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 09:43:01,798 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 09:43:01,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 09:43:02,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 09:43:02,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 09:43:02,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 09:43:02,036 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 09:43:02,036 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 09:43:02,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array-hom.wvr.c [2023-05-04 09:43:02,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9ed2735a/59dc99e82c844d5baa5876c1ceb8ef7e/FLAGaad658d30 [2023-05-04 09:43:02,523 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 09:43:02,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array-hom.wvr.c [2023-05-04 09:43:02,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9ed2735a/59dc99e82c844d5baa5876c1ceb8ef7e/FLAGaad658d30 [2023-05-04 09:43:02,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9ed2735a/59dc99e82c844d5baa5876c1ceb8ef7e [2023-05-04 09:43:02,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 09:43:02,542 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 09:43:02,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 09:43:02,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 09:43:02,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 09:43:02,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2913b7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02, skipping insertion in model container [2023-05-04 09:43:02,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 09:43:02,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 09:43:02,756 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/popl20-more-min-array-hom.wvr.c[2586,2599] [2023-05-04 09:43:02,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 09:43:02,774 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 09:43:02,791 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/popl20-more-min-array-hom.wvr.c[2586,2599] [2023-05-04 09:43:02,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 09:43:02,804 INFO L208 MainTranslator]: Completed translation [2023-05-04 09:43:02,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02 WrapperNode [2023-05-04 09:43:02,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 09:43:02,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 09:43:02,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 09:43:02,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 09:43:02,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,838 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 102 [2023-05-04 09:43:02,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 09:43:02,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 09:43:02,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 09:43:02,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 09:43:02,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 09:43:02,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 09:43:02,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 09:43:02,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 09:43:02,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (1/1) ... [2023-05-04 09:43:02,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 09:43:02,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:43:02,914 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 09:43:02,926 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 09:43:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 09:43:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 09:43:02,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 09:43:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 09:43:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 09:43:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 09:43:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 09:43:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 09:43:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 09:43:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 09:43:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 09:43:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 09:43:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 09:43:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 09:43:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 09:43:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 09:43:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 09:43:02,966 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 09:43:03,069 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 09:43:03,071 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 09:43:03,364 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 09:43:03,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 09:43:03,420 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-04 09:43:03,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:43:03 BoogieIcfgContainer [2023-05-04 09:43:03,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 09:43:03,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 09:43:03,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 09:43:03,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 09:43:03,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 09:43:02" (1/3) ... [2023-05-04 09:43:03,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a135f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:43:03, skipping insertion in model container [2023-05-04 09:43:03,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:43:02" (2/3) ... [2023-05-04 09:43:03,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a135f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:43:03, skipping insertion in model container [2023-05-04 09:43:03,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:43:03" (3/3) ... [2023-05-04 09:43:03,430 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c [2023-05-04 09:43:03,436 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 09:43:03,445 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 09:43:03,445 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 09:43:03,445 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 09:43:03,514 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 09:43:03,555 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 09:43:03,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 09:43:03,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:43:03,561 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 09:43:03,573 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 09:43:03,627 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 09:43:03,651 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 09:43:03,657 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;@754fe03e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 09:43:03,658 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 09:43:03,835 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 09:43:03,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:43:03,840 INFO L85 PathProgramCache]: Analyzing trace with hash 597181898, now seen corresponding path program 1 times [2023-05-04 09:43:03,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:43:03,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466786248] [2023-05-04 09:43:03,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:43:03,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:43:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:43:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 09:43:04,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:43:04,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466786248] [2023-05-04 09:43:04,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466786248] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:43:04,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:43:04,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 09:43:04,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476073938] [2023-05-04 09:43:04,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:43:04,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 09:43:04,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:43:04,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 09:43:04,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 09:43:04,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:04,246 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:43:04,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 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 09:43:04,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:04,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 09:43:04,316 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 09:43:04,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:43:04,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1873103334, now seen corresponding path program 1 times [2023-05-04 09:43:04,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:43:04,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392590592] [2023-05-04 09:43:04,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:43:04,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:43:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:43:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 09:43:04,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:43:04,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392590592] [2023-05-04 09:43:04,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392590592] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 09:43:04,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 09:43:04,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 09:43:04,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947650357] [2023-05-04 09:43:04,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 09:43:04,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 09:43:04,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:43:04,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 09:43:04,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-04 09:43:04,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:04,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:43:04,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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 09:43:04,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:04,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:04,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:43:04,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 09:43:04,911 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 09:43:04,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:43:04,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1500375755, now seen corresponding path program 1 times [2023-05-04 09:43:04,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:43:04,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004531080] [2023-05-04 09:43:04,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:43:04,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:43:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:43:05,232 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:43:05,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:43:05,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004531080] [2023-05-04 09:43:05,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004531080] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:43:05,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269724708] [2023-05-04 09:43:05,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:43:05,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:43:05,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:43:05,238 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 09:43:05,281 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 09:43:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:43:05,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 09:43:05,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:43:05,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:43:05,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:43:06,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:43:06,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269724708] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:43:06,082 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:43:06,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 27 [2023-05-04 09:43:06,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224072018] [2023-05-04 09:43:06,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:43:06,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-04 09:43:06,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:43:06,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-04 09:43:06,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2023-05-04 09:43:06,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:06,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:43:06,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.037037037037036) internal successors, (244), 27 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 09:43:06,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:06,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:43:06,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:06,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:06,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:43:06,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 09:43:06,759 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 09:43:06,944 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 09:43:06,945 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 09:43:06,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:43:06,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1865252453, now seen corresponding path program 1 times [2023-05-04 09:43:06,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:43:06,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517609412] [2023-05-04 09:43:06,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:43:06,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:43:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:43:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:43:07,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:43:07,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517609412] [2023-05-04 09:43:07,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517609412] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:43:07,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128700948] [2023-05-04 09:43:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:43:07,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:43:07,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:43:07,271 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 09:43:07,299 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 09:43:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:43:07,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 09:43:07,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:43:07,665 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:43:07,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:43:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:43:07,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128700948] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 09:43:07,927 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 09:43:07,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 27 [2023-05-04 09:43:07,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783056649] [2023-05-04 09:43:07,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 09:43:07,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-04 09:43:07,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 09:43:07,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-04 09:43:07,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=575, Unknown=0, NotChecked=0, Total=702 [2023-05-04 09:43:07,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:07,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 09:43:07,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 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 09:43:07,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:07,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:43:07,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-04 09:43:07,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 09:43:08,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 09:43:08,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 09:43:08,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 09:43:08,451 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 09:43:08,648 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 09:43:08,648 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 09:43:08,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 09:43:08,649 INFO L85 PathProgramCache]: Analyzing trace with hash 851205376, now seen corresponding path program 2 times [2023-05-04 09:43:08,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 09:43:08,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825905028] [2023-05-04 09:43:08,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 09:43:08,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 09:43:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 09:43:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:43:13,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 09:43:13,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825905028] [2023-05-04 09:43:13,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825905028] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 09:43:13,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067376359] [2023-05-04 09:43:13,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 09:43:13,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 09:43:13,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 09:43:13,891 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 09:43:13,893 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 09:43:14,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 09:43:14,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 09:43:14,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 58 conjunts are in the unsatisfiable core [2023-05-04 09:43:14,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 09:43:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 09:43:15,919 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2023-05-04 09:43:17,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 09:43:17,443 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:43:17,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 160 treesize of output 108 [2023-05-04 09:43:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 09:43:18,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 09:43:30,023 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse11 (= c_~min2~0 c_~min1~0)) (.cse28 (< c_~min3~0 c_~min2~0)) (.cse27 (<= c_~min2~0 c_~min3~0)) (.cse3 (+ c_~A~0.offset (* c_thread1Thread1of1ForFork2_~i~0 4) 4))) (and (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base)) (.cse2 (* ~M~0 4))) (let ((.cse0 (select .cse1 (+ c_~A~0.offset .cse2)))) (or (<= c_~min2~0 .cse0) (< 0 ~M~0) (< (select .cse1 (+ c_~A~0.offset .cse2 4)) .cse0) (< (+ 2 ~M~0) c_~N~0) (= c_~min1~0 .cse0) (< (select .cse1 .cse3) c_~min1~0) (not (< .cse0 c_~min3~0)))))) (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base)) (.cse5 (* ~M~0 4))) (let ((.cse6 (select .cse4 (+ c_~A~0.offset .cse5 4)))) (or (< (select .cse4 (+ c_~A~0.offset .cse5)) c_~min3~0) (< 0 ~M~0) (= c_~min1~0 .cse6) (<= c_~min2~0 .cse6) (< (+ 2 ~M~0) c_~N~0) (< (select .cse4 .cse3) c_~min1~0) (not (< .cse6 c_~min3~0)))))) (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse8 (* ~M~0 4)) (.cse7 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base))) (let ((.cse9 (select .cse7 .cse3)) (.cse10 (select .cse7 (+ c_~A~0.offset .cse8 4)))) (or (< (select .cse7 (+ c_~A~0.offset .cse8)) c_~min3~0) (< 0 ~M~0) (< (+ 2 ~M~0) c_~N~0) (= c_~min2~0 .cse9) (not (< .cse10 c_~min3~0)) (not (< .cse9 c_~min1~0)) (< .cse10 c_~min2~0))))) (or .cse11 (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse12 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base)) (.cse13 (* ~M~0 4))) (let ((.cse14 (select .cse12 (+ c_~A~0.offset .cse13 4)))) (or (< (select .cse12 (+ c_~A~0.offset .cse13)) c_~min3~0) (< 0 ~M~0) (< (+ 2 ~M~0) c_~N~0) (< (select .cse12 .cse3) c_~min1~0) (not (< .cse14 c_~min3~0)) (< .cse14 c_~min2~0)))))) (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse17 (* ~M~0 4)) (.cse16 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base))) (let ((.cse18 (select .cse16 .cse3)) (.cse15 (select .cse16 (+ c_~A~0.offset .cse17)))) (or (< .cse15 c_~min2~0) (< 0 ~M~0) (< (select .cse16 (+ c_~A~0.offset .cse17 4)) .cse15) (< (+ 2 ~M~0) c_~N~0) (= c_~min2~0 .cse18) (not (< .cse18 c_~min1~0)) (not (< .cse15 c_~min3~0)))))) (or .cse11 (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse21 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base)) (.cse22 (* ~M~0 4))) (let ((.cse19 (select .cse21 (+ c_~A~0.offset .cse22 4))) (.cse20 (select .cse21 (+ c_~A~0.offset .cse22)))) (or (< 0 ~M~0) (< (+ 2 ~M~0) c_~N~0) (not (< .cse19 .cse20)) (< (select .cse21 .cse3) c_~min1~0) (< .cse19 c_~min2~0) (not (< .cse20 c_~min3~0))))))) (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse23 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base)) (.cse24 (* ~M~0 4))) (let ((.cse25 (select .cse23 (+ c_~A~0.offset .cse24 4))) (.cse26 (select .cse23 .cse3))) (or (< (select .cse23 (+ c_~A~0.offset .cse24)) c_~min3~0) (< 0 ~M~0) (= .cse25 .cse26) (<= c_~min2~0 .cse25) (< (+ 2 ~M~0) c_~N~0) (not (< .cse25 c_~min3~0)) (not (< .cse26 c_~min1~0)))))) (or (and (or .cse27 (= c_~min1~0 c_~min3~0)) (or .cse11 .cse28)) (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse30 (* ~M~0 4)) (.cse29 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base))) (or (< (select .cse29 (+ c_~A~0.offset .cse30)) c_~min3~0) (< 0 ~M~0) (< (select .cse29 (+ c_~A~0.offset .cse30 4)) c_~min3~0) (< (+ 2 ~M~0) c_~N~0) (< (select .cse29 .cse3) c_~min1~0))))) (or .cse11 (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse32 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base)) (.cse33 (* ~M~0 4))) (let ((.cse31 (select .cse32 (+ c_~A~0.offset .cse33)))) (or (< .cse31 c_~min2~0) (< 0 ~M~0) (< (select .cse32 (+ c_~A~0.offset .cse33 4)) .cse31) (< (+ 2 ~M~0) c_~N~0) (< (select .cse32 .cse3) c_~min1~0) (not (< .cse31 c_~min3~0))))))) (or (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse34 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base))) (let ((.cse35 (* ~M~0 4)) (.cse36 (select .cse34 .cse3))) (or (< (select .cse34 (+ c_~A~0.offset .cse35)) c_~min3~0) (< 0 ~M~0) (< (select .cse34 (+ c_~A~0.offset .cse35 4)) c_~min3~0) (< (+ 2 ~M~0) c_~N~0) (= c_~min2~0 .cse36) (not (< .cse36 c_~min1~0)))))) .cse28) (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse41 (* ~M~0 4)) (.cse40 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base))) (let ((.cse37 (select .cse40 .cse3)) (.cse38 (select .cse40 (+ c_~A~0.offset .cse41 4))) (.cse39 (select .cse40 (+ c_~A~0.offset .cse41)))) (or (< 0 ~M~0) (< (+ 2 ~M~0) c_~N~0) (= c_~min2~0 .cse37) (not (< .cse38 .cse39)) (not (< .cse37 c_~min1~0)) (< .cse38 c_~min2~0) (not (< .cse39 c_~min3~0)))))) (or .cse27 (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse42 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base))) (let ((.cse43 (* ~M~0 4)) (.cse44 (select .cse42 .cse3))) (or (< (select .cse42 (+ c_~A~0.offset .cse43)) c_~min3~0) (< 0 ~M~0) (< (select .cse42 (+ c_~A~0.offset .cse43 4)) c_~min3~0) (< (+ 2 ~M~0) c_~N~0) (not (< .cse44 c_~min1~0)) (= c_~min3~0 .cse44)))))) (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse48 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base)) (.cse49 (* ~M~0 4))) (let ((.cse45 (select .cse48 (+ c_~A~0.offset .cse49 4))) (.cse46 (select .cse48 .cse3)) (.cse47 (select .cse48 (+ c_~A~0.offset .cse49)))) (or (< 0 ~M~0) (= .cse45 .cse46) (<= c_~min2~0 .cse45) (< (+ 2 ~M~0) c_~N~0) (not (< .cse45 .cse47)) (not (< .cse46 c_~min1~0)) (not (< .cse47 c_~min3~0)))))) (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse52 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base)) (.cse53 (* ~M~0 4))) (let ((.cse50 (select .cse52 (+ c_~A~0.offset .cse53 4))) (.cse51 (select .cse52 (+ c_~A~0.offset .cse53)))) (or (< 0 ~M~0) (= c_~min1~0 .cse50) (<= c_~min2~0 .cse50) (< (+ 2 ~M~0) c_~N~0) (not (< .cse50 .cse51)) (< (select .cse52 .cse3) c_~min1~0) (not (< .cse51 c_~min3~0)))))) (forall ((~M~0 Int) (v_ArrVal_133 (Array Int Int))) (let ((.cse56 (* ~M~0 4)) (.cse55 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_133) c_~A~0.base))) (let ((.cse57 (select .cse55 .cse3)) (.cse54 (select .cse55 (+ c_~A~0.offset .cse56)))) (or (<= c_~min2~0 .cse54) (< 0 ~M~0) (< (select .cse55 (+ c_~A~0.offset .cse56 4)) .cse54) (= .cse54 .cse57) (< (+ 2 ~M~0) c_~N~0) (not (< .cse57 c_~min1~0)) (not (< .cse54 c_~min3~0)))))))) is different from false [2023-05-04 09:44:04,621 WARN L233 SmtUtils]: Spent 34.07s on a formula simplification that was a NOOP. DAG size: 1882 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-04 09:44:04,622 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:04,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 496 case distinctions, treesize of input 2511 treesize of output 8045 [2023-05-04 09:44:06,344 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:06,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1782 treesize of output 1764 [2023-05-04 09:44:07,811 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:07,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1737 treesize of output 1724 [2023-05-04 09:44:09,253 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:09,254 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1697 treesize of output 1691 [2023-05-04 09:44:10,724 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:10,725 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1664 treesize of output 1659 [2023-05-04 09:44:12,221 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:12,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1632 treesize of output 1618 [2023-05-04 09:44:13,712 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:13,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1591 treesize of output 1591 [2023-05-04 09:44:15,169 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:15,170 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1564 treesize of output 1571 [2023-05-04 09:44:16,658 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:16,659 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1544 treesize of output 1531 [2023-05-04 09:44:18,102 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:18,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1504 treesize of output 1493 [2023-05-04 09:44:19,727 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:19,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1466 treesize of output 1466 [2023-05-04 09:44:21,249 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:21,250 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1439 treesize of output 1419 [2023-05-04 09:44:22,739 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:22,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1392 treesize of output 1385 [2023-05-04 09:44:24,220 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:24,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1358 treesize of output 1351 [2023-05-04 09:44:25,769 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:25,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1324 treesize of output 1324 [2023-05-04 09:44:27,305 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 09:44:27,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1297 treesize of output 1285 Received shutdown request... [2023-05-04 09:56:57,885 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 09:56:57,889 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 09:56:57,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 09:56:57,910 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 09:56:57,910 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 09:56:57,914 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 09:56:58,101 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 09:56:58,102 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 141 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 40ms.. [2023-05-04 09:56:58,103 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 09:56:58,103 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 09:56:58,103 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 09:56:58,106 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-05-04 09:56:58,109 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 09:56:58,109 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 09:56:58,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 09:56:58 BasicIcfg [2023-05-04 09:56:58,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 09:56:58,111 INFO L158 Benchmark]: Toolchain (without parser) took 835568.91ms. Allocated memory was 183.5MB in the beginning and 846.2MB in the end (delta: 662.7MB). Free memory was 150.5MB in the beginning and 518.7MB in the end (delta: -368.3MB). Peak memory consumption was 531.4MB. Max. memory is 8.0GB. [2023-05-04 09:56:58,112 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 09:56:58,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.84ms. Allocated memory was 183.5MB in the beginning and 272.6MB in the end (delta: 89.1MB). Free memory was 150.2MB in the beginning and 239.5MB in the end (delta: -89.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-04 09:56:58,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.62ms. Allocated memory is still 272.6MB. Free memory was 239.5MB in the beginning and 237.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 09:56:58,112 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 272.6MB. Free memory was 237.8MB in the beginning and 236.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 09:56:58,113 INFO L158 Benchmark]: RCFGBuilder took 555.49ms. Allocated memory is still 272.6MB. Free memory was 235.9MB in the beginning and 215.7MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-05-04 09:56:58,113 INFO L158 Benchmark]: TraceAbstraction took 834686.77ms. Allocated memory was 272.6MB in the beginning and 846.2MB in the end (delta: 573.6MB). Free memory was 214.4MB in the beginning and 518.7MB in the end (delta: -304.3MB). Peak memory consumption was 507.3MB. Max. memory is 8.0GB. [2023-05-04 09:56:58,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 260.84ms. Allocated memory was 183.5MB in the beginning and 272.6MB in the end (delta: 89.1MB). Free memory was 150.2MB in the beginning and 239.5MB in the end (delta: -89.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.62ms. Allocated memory is still 272.6MB. Free memory was 239.5MB in the beginning and 237.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 272.6MB. Free memory was 237.8MB in the beginning and 236.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 555.49ms. Allocated memory is still 272.6MB. Free memory was 235.9MB in the beginning and 215.7MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 834686.77ms. Allocated memory was 272.6MB in the beginning and 846.2MB in the end (delta: 573.6MB). Free memory was 214.4MB in the beginning and 518.7MB in the end (delta: -304.3MB). Peak memory consumption was 507.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1930, independent: 1726, independent conditional: 307, independent unconditional: 1419, dependent: 204, dependent conditional: 191, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1744, independent: 1726, independent conditional: 307, independent unconditional: 1419, dependent: 18, dependent conditional: 5, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1744, independent: 1726, independent conditional: 307, independent unconditional: 1419, dependent: 18, dependent conditional: 5, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1751, independent: 1726, independent conditional: 0, independent unconditional: 1726, dependent: 25, dependent conditional: 7, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1751, independent: 1726, independent conditional: 0, independent unconditional: 1726, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1751, independent: 1726, independent conditional: 0, independent unconditional: 1726, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1294, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1294, independent: 1279, independent conditional: 0, independent unconditional: 1279, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1751, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 1294, unknown conditional: 0, unknown unconditional: 1294] , Statistics on independence cache: Total cache size (in pairs): 1294, Positive cache size: 1281, Positive conditional cache size: 0, Positive unconditional cache size: 1281, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 3, Independence queries for same thread: 186 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 154, Number of trivial persistent sets: 121, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1432, independent: 1419, independent conditional: 0, independent unconditional: 1419, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1930, independent: 1726, independent conditional: 307, independent unconditional: 1419, dependent: 204, dependent conditional: 191, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1744, independent: 1726, independent conditional: 307, independent unconditional: 1419, dependent: 18, dependent conditional: 5, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1744, independent: 1726, independent conditional: 307, independent unconditional: 1419, dependent: 18, dependent conditional: 5, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1751, independent: 1726, independent conditional: 0, independent unconditional: 1726, dependent: 25, dependent conditional: 7, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1751, independent: 1726, independent conditional: 0, independent unconditional: 1726, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1751, independent: 1726, independent conditional: 0, independent unconditional: 1726, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1294, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1294, independent: 1279, independent conditional: 0, independent unconditional: 1279, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1751, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 1294, unknown conditional: 0, unknown unconditional: 1294] , Statistics on independence cache: Total cache size (in pairs): 1294, Positive cache size: 1281, Positive conditional cache size: 0, Positive unconditional cache size: 1281, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 3, Independence queries for same thread: 186 - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 141 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 40ms.. - TimeoutResultAtElement [Line: 93]: 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 141 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 40ms.. - TimeoutResultAtElement [Line: 92]: 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 141 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 40ms.. - TimeoutResultAtElement [Line: 94]: 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 141 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 40ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 173 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 834.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.5s, 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: 47, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 748 NumberOfCodeBlocks, 748 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 998 ConstructedInterpolants, 0 QuantifiedInterpolants, 2696 SizeOfPredicates, 21 NumberOfNonLiveVariables, 592 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 61/89 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