/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 X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 15:12:51,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 15:12:51,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 15:12:51,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 15:12:51,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 15:12:51,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 15:12:51,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 15:12:51,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 15:12:51,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 15:12:51,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 15:12:51,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 15:12:51,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 15:12:51,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 15:12:51,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 15:12:51,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 15:12:51,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 15:12:51,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 15:12:51,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 15:12:51,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 15:12:51,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 15:12:51,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 15:12:51,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 15:12:51,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 15:12:51,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 15:12:51,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 15:12:51,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 15:12:51,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 15:12:51,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 15:12:51,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 15:12:51,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 15:12:51,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 15:12:51,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 15:12:51,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 15:12:51,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 15:12:51,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 15:12:51,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 15:12:51,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 15:12:51,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 15:12:51,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 15:12:51,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 15:12:51,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 15:12:51,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 15:12:51,770 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 15:12:51,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 15:12:51,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 15:12:51,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 15:12:51,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 15:12:51,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 15:12:51,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 15:12:51,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 15:12:51,772 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 15:12:51,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 15:12:51,772 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 15:12:51,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 15:12:51,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 15:12:51,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 15:12:51,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 15:12:51,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 15:12:51,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 15:12:51,773 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 15:12:51,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 15:12:51,773 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 15:12:51,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 15:12:51,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 15:12:51,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 15:12:51,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 15:12:51,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 15:12:51,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 15:12:51,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 15:12:51,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 15:12:51,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 15:12:51,774 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 15:12:51,774 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 15:12:51,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 15:12:51,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 15:12:51,774 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 15:12:51,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 15:12:51,774 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 15:12:51,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 15:12:51,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 15:12:51,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 15:12:51,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 15:12:51,977 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 15:12:51,981 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 15:12:51,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2023-05-04 15:12:52,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a71c235f2/e2b5bfed9fe1446ea6906869372eda29/FLAGb56786511 [2023-05-04 15:12:52,408 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 15:12:52,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2023-05-04 15:12:52,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a71c235f2/e2b5bfed9fe1446ea6906869372eda29/FLAGb56786511 [2023-05-04 15:12:52,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a71c235f2/e2b5bfed9fe1446ea6906869372eda29 [2023-05-04 15:12:52,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 15:12:52,440 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 15:12:52,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 15:12:52,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 15:12:52,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 15:12:52,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd0b4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52, skipping insertion in model container [2023-05-04 15:12:52,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 15:12:52,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 15:12:52,672 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/parallel-parallel-sum-1.wvr.c[3642,3655] [2023-05-04 15:12:52,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 15:12:52,690 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 15:12:52,722 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/parallel-parallel-sum-1.wvr.c[3642,3655] [2023-05-04 15:12:52,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 15:12:52,735 INFO L208 MainTranslator]: Completed translation [2023-05-04 15:12:52,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52 WrapperNode [2023-05-04 15:12:52,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 15:12:52,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 15:12:52,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 15:12:52,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 15:12:52,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,795 INFO L138 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 297 [2023-05-04 15:12:52,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 15:12:52,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 15:12:52,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 15:12:52,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 15:12:52,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 15:12:52,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 15:12:52,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 15:12:52,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 15:12:52,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (1/1) ... [2023-05-04 15:12:52,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 15:12:52,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:12:52,862 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 15:12:52,870 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 15:12:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 15:12:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 15:12:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 15:12:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 15:12:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 15:12:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 15:12:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 15:12:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 15:12:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 15:12:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 15:12:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-04 15:12:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-04 15:12:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 15:12:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 15:12:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 15:12:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 15:12:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 15:12:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 15:12:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 15:12:52,888 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 15:12:52,997 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 15:12:52,999 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 15:12:53,386 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 15:12:53,509 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 15:12:53,509 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-04 15:12:53,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:12:53 BoogieIcfgContainer [2023-05-04 15:12:53,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 15:12:53,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 15:12:53,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 15:12:53,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 15:12:53,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 03:12:52" (1/3) ... [2023-05-04 15:12:53,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334462b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:12:53, skipping insertion in model container [2023-05-04 15:12:53,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:52" (2/3) ... [2023-05-04 15:12:53,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334462b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:12:53, skipping insertion in model container [2023-05-04 15:12:53,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:12:53" (3/3) ... [2023-05-04 15:12:53,518 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2023-05-04 15:12:53,523 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 15:12:53,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 15:12:53,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 15:12:53,529 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 15:12:53,590 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-04 15:12:53,626 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 15:12:53,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 15:12:53,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:12:53,628 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 15:12:53,629 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 15:12:53,648 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 15:12:53,659 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 15:12:53,662 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;@379239fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 15:12:53,663 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-04 15:12:53,909 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 2 more)] === [2023-05-04 15:12:53,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:12:53,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1063990695, now seen corresponding path program 1 times [2023-05-04 15:12:53,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:12:53,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867798368] [2023-05-04 15:12:53,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:12:53,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:12:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:12:54,204 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-05-04 15:12:54,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:12:54,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867798368] [2023-05-04 15:12:54,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867798368] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 15:12:54,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 15:12:54,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 15:12:54,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898689865] [2023-05-04 15:12:54,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 15:12:54,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 15:12:54,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:12:54,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 15:12:54,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 15:12:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:54,227 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:12:54,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 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 15:12:54,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:54,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:54,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 15:12:54,294 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 2 more)] === [2023-05-04 15:12:54,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:12:54,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1566697489, now seen corresponding path program 1 times [2023-05-04 15:12:54,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:12:54,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971624671] [2023-05-04 15:12:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:12:54,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:12:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:12:55,134 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-04 15:12:55,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:12:55,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971624671] [2023-05-04 15:12:55,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971624671] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 15:12:55,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 15:12:55,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-05-04 15:12:55,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571879407] [2023-05-04 15:12:55,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 15:12:55,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-04 15:12:55,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:12:55,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-04 15:12:55,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-05-04 15:12:55,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:55,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:12:55,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 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 15:12:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:55,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 15:12:55,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 15:12:55,375 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 2 more)] === [2023-05-04 15:12:55,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:12:55,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1710118377, now seen corresponding path program 2 times [2023-05-04 15:12:55,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:12:55,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137317659] [2023-05-04 15:12:55,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:12:55,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:12:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:12:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 58 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-04 15:12:56,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:12:56,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137317659] [2023-05-04 15:12:56,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137317659] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:12:56,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343087577] [2023-05-04 15:12:56,069 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 15:12:56,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:12:56,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:12:56,077 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 15:12:56,079 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 15:12:56,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 15:12:56,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:12:56,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 15:12:56,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:12:56,656 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-05-04 15:12:56,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:12:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-05-04 15:12:56,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343087577] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 15:12:56,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 15:12:56,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12, 11] total 30 [2023-05-04 15:12:56,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200335549] [2023-05-04 15:12:56,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 15:12:56,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-04 15:12:56,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:12:56,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-04 15:12:56,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2023-05-04 15:12:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:56,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:12:56,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 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 15:12:56,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:56,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 15:12:56,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 15:12:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 15:12:57,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 15:12:57,375 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 15:12:57,375 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 2 more)] === [2023-05-04 15:12:57,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:12:57,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1791164306, now seen corresponding path program 1 times [2023-05-04 15:12:57,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:12:57,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633845953] [2023-05-04 15:12:57,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:12:57,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:12:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:12:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 58 proven. 37 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 15:12:57,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:12:57,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633845953] [2023-05-04 15:12:57,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633845953] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:12:57,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18750474] [2023-05-04 15:12:57,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:12:57,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:12:57,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:12:57,904 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 15:12:57,942 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 15:12:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:12:58,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-04 15:12:58,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:12:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 36 proven. 75 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 15:12:58,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:12:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 47 proven. 48 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-04 15:12:58,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18750474] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:12:58,664 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:12:58,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 18, 12] total 27 [2023-05-04 15:12:58,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51561225] [2023-05-04 15:12:58,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:12:58,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-04 15:12:58,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:12:58,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-04 15:12:58,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=554, Unknown=0, NotChecked=0, Total=702 [2023-05-04 15:12:58,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:58,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:12:58,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 11.25925925925926) internal successors, (304), 27 states have internal predecessors, (304), 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 15:12:58,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:58,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 15:12:58,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 15:12:58,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:59,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:12:59,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:12:59,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 15:12:59,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 15:12:59,101 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 15:12:59,298 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 15:12:59,299 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 2 more)] === [2023-05-04 15:12:59,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:12:59,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2076381138, now seen corresponding path program 2 times [2023-05-04 15:12:59,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:12:59,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118886322] [2023-05-04 15:12:59,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:12:59,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:12:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:12:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 69 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-04 15:12:59,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:12:59,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118886322] [2023-05-04 15:12:59,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118886322] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:12:59,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749439861] [2023-05-04 15:12:59,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 15:12:59,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:12:59,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:12:59,830 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 15:12:59,832 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 15:12:59,981 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 15:12:59,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:12:59,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-04 15:12:59,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:13:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 59 proven. 53 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 15:13:00,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:13:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 15:13:00,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749439861] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:13:00,704 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:13:00,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 39 [2023-05-04 15:13:00,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094222357] [2023-05-04 15:13:00,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:13:00,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-04 15:13:00,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:13:00,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-04 15:13:00,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1209, Unknown=0, NotChecked=0, Total=1482 [2023-05-04 15:13:00,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:00,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:13:00,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 10.256410256410257) internal successors, (400), 39 states have internal predecessors, (400), 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 15:13:00,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:00,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:13:00,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 15:13:00,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 15:13:00,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:01,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:01,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:13:01,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 15:13:01,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 15:13:01,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 15:13:01,177 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 15:13:01,351 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 15:13:01,351 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 2 more)] === [2023-05-04 15:13:01,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:13:01,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2060336050, now seen corresponding path program 3 times [2023-05-04 15:13:01,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:13:01,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880935347] [2023-05-04 15:13:01,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:13:01,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:13:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:13:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 99 proven. 28 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-04 15:13:02,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:13:02,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880935347] [2023-05-04 15:13:02,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880935347] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:13:02,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111982687] [2023-05-04 15:13:02,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 15:13:02,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:13:02,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:13:02,026 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 15:13:02,044 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 15:13:02,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-04 15:13:02,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:13:02,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 15:13:02,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:13:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 57 proven. 60 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-04 15:13:02,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:13:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 93 proven. 24 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-04 15:13:03,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111982687] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:13:03,056 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:13:03,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 41 [2023-05-04 15:13:03,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690250008] [2023-05-04 15:13:03,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:13:03,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-05-04 15:13:03,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:13:03,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-05-04 15:13:03,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1355, Unknown=0, NotChecked=0, Total=1640 [2023-05-04 15:13:03,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:03,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:13:03,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 8.536585365853659) internal successors, (350), 41 states have internal predecessors, (350), 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 15:13:03,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:03,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:13:03,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 15:13:03,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 15:13:03,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 15:13:03,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:03,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:13:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 15:13:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 15:13:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 15:13:03,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 15:13:03,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 15:13:03,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:13:03,732 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 2 more)] === [2023-05-04 15:13:03,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:13:03,732 INFO L85 PathProgramCache]: Analyzing trace with hash -2026562875, now seen corresponding path program 4 times [2023-05-04 15:13:03,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:13:03,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158356020] [2023-05-04 15:13:03,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:13:03,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:13:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:13:04,356 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 69 proven. 46 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-04 15:13:04,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:13:04,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158356020] [2023-05-04 15:13:04,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158356020] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:13:04,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581976801] [2023-05-04 15:13:04,356 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 15:13:04,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:13:04,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:13:04,357 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 15:13:04,380 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 15:13:04,493 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 15:13:04,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:13:04,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 25 conjunts are in the unsatisfiable core [2023-05-04 15:13:04,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:13:04,916 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 60 proven. 55 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-04 15:13:04,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:13:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 69 proven. 46 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-04 15:13:05,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581976801] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:13:05,305 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:13:05,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 48 [2023-05-04 15:13:05,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613071727] [2023-05-04 15:13:05,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:13:05,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-04 15:13:05,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:13:05,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-04 15:13:05,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=1869, Unknown=0, NotChecked=0, Total=2256 [2023-05-04 15:13:05,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:05,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:13:05,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.104166666666667) internal successors, (341), 48 states have internal predecessors, (341), 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 15:13:05,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:05,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:13:05,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 15:13:05,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 15:13:05,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 15:13:05,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 15:13:05,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:05,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:05,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:13:05,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 15:13:05,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 15:13:05,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 15:13:05,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 15:13:05,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 15:13:05,850 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 15:13:06,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:13:06,033 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 2 more)] === [2023-05-04 15:13:06,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:13:06,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1164910482, now seen corresponding path program 5 times [2023-05-04 15:13:06,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:13:06,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871200554] [2023-05-04 15:13:06,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:13:06,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:13:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:13:06,827 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 94 proven. 75 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-05-04 15:13:06,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:13:06,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871200554] [2023-05-04 15:13:06,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871200554] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:13:06,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207467456] [2023-05-04 15:13:06,828 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 15:13:06,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:13:06,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:13:06,833 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 15:13:06,865 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 15:13:07,082 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-04 15:13:07,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:13:07,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 37 conjunts are in the unsatisfiable core [2023-05-04 15:13:07,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:13:07,644 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 96 proven. 90 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 15:13:07,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:13:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 111 proven. 75 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 15:13:08,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207467456] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:13:08,204 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:13:08,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 24] total 59 [2023-05-04 15:13:08,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833688212] [2023-05-04 15:13:08,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:13:08,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-05-04 15:13:08,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:13:08,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-05-04 15:13:08,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=603, Invalid=2819, Unknown=0, NotChecked=0, Total=3422 [2023-05-04 15:13:08,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:08,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:13:08,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 7.47457627118644) internal successors, (441), 59 states have internal predecessors, (441), 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 15:13:08,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:08,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:13:08,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 15:13:08,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 15:13:08,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 15:13:08,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 15:13:08,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 15:13:08,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:13:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:13:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 15:13:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 15:13:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 15:13:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 15:13:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 15:13:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 15:13:08,975 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 15:13:09,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:13:09,153 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 2 more)] === [2023-05-04 15:13:09,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:13:09,154 INFO L85 PathProgramCache]: Analyzing trace with hash -658750322, now seen corresponding path program 6 times [2023-05-04 15:13:09,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:13:09,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645430011] [2023-05-04 15:13:09,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:13:09,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:13:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:13:15,796 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 281 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 15:13:15,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:13:15,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645430011] [2023-05-04 15:13:15,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645430011] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:13:15,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144920110] [2023-05-04 15:13:15,796 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 15:13:15,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:13:15,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:13:15,797 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 15:13:15,800 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 15:13:16,466 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-04 15:13:16,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:13:16,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 261 conjunts are in the unsatisfiable core [2023-05-04 15:13:16,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:13:18,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 11 [2023-05-04 15:13:19,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15:13:19,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15:13:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 15:13:20,016 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 22 treesize of output 24 [2023-05-04 15:13:20,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 15:13:20,581 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 43 treesize of output 41 [2023-05-04 15:13:23,255 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:13:23,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 101 treesize of output 537 [2023-05-04 15:13:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:13:44,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:13:47,698 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_378 (Array Int Int))) (= (+ c_~t21~0 c_~s1~0 (select (select |c_#memory_int| c_~x~0.base) (+ c_~x~0.offset 4 (* c_~i1~0 4)))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse1 (* c_~n~0 4))) (+ (select .cse0 (+ (- 12) .cse1 c_~x~0.offset)) c_~s2~0 (select .cse0 (+ (- 20) .cse1 c_~x~0.offset)) (select .cse0 (+ (- 16) .cse1 c_~x~0.offset)))))) is different from false [2023-05-04 15:13:47,925 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_377 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select .cse2 c_~x~0.base)) (.cse1 (* c_~i1~0 4))) (+ (select .cse0 (+ 8 c_~x~0.offset .cse1)) c_~s1~0 (select .cse0 (+ c_~x~0.offset 4 .cse1)))) (let ((.cse3 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse4 (* c_~n~0 4))) (+ (select .cse3 (+ (- 16) .cse4 c_~x~0.offset)) c_~s2~0 (select .cse3 (+ (- 20) .cse4 c_~x~0.offset)) (select .cse3 (+ (- 12) .cse4 c_~x~0.offset))))))) is different from false [2023-05-04 15:13:47,939 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_377 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select .cse2 c_~x~0.base)) (.cse1 (* c_~i1~0 4))) (+ (select .cse0 (+ 8 c_~x~0.offset .cse1)) c_~t21~0 c_~s1~0 (select .cse0 (+ c_~x~0.offset 4 .cse1)))) (let ((.cse3 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse4 (* c_~n~0 4))) (+ (select .cse3 (+ (- 16) .cse4 c_~x~0.offset)) c_~s2~0 (select .cse3 (+ (- 20) .cse4 c_~x~0.offset)) (select .cse3 (+ (- 12) .cse4 c_~x~0.offset))))))) is different from false [2023-05-04 15:13:47,949 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_377 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select .cse2 c_~x~0.base)) (.cse1 (* c_~i1~0 4))) (+ (select .cse0 (+ 8 c_~x~0.offset .cse1)) c_~s1~0 (select (select |c_#memory_int| c_~x~0.base) (+ c_~x~0.offset 4 .cse1)) (select .cse0 (+ 12 c_~x~0.offset .cse1)))) (let ((.cse3 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse4 (* c_~n~0 4))) (+ (select .cse3 (+ (- 16) .cse4 c_~x~0.offset)) c_~s2~0 (select .cse3 (+ (- 20) .cse4 c_~x~0.offset)) (select .cse3 (+ (- 12) .cse4 c_~x~0.offset))))))) is different from false [2023-05-04 15:13:47,975 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse2 (store .cse5 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse1 (* c_~n~0 4))) (+ (select .cse0 (+ (- 20) .cse1 c_~x~0.offset)) c_~s2~0 (select .cse0 (+ (- 16) .cse1 c_~x~0.offset)) (select .cse0 (+ (- 12) .cse1 c_~x~0.offset)))) (let ((.cse3 (select .cse2 c_~x~0.base)) (.cse4 (* c_~i1~0 4))) (+ (select .cse3 (+ 8 c_~x~0.offset .cse4)) c_~s1~0 (select .cse3 (+ 12 c_~x~0.offset .cse4)) (select (select .cse5 c_~x~0.base) (+ c_~x~0.offset 4 .cse4)))))))) is different from false [2023-05-04 15:13:48,013 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_375 (Array Int Int)) (v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_375) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse3 (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select .cse3 c_~x~0.base)) (.cse1 (* c_~i1~0 4))) (+ (select .cse0 (+ 8 c_~x~0.offset .cse1)) (select .cse0 (+ 12 c_~x~0.offset .cse1)) c_~s1~0 (select (select .cse2 c_~x~0.base) (+ c_~x~0.offset 4 .cse1)))) (let ((.cse4 (select (store .cse3 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse5 (* c_~n~0 4))) (+ (select .cse4 (+ (- 12) .cse5 c_~x~0.offset)) c_~s2~0 (select .cse4 (+ (- 20) .cse5 c_~x~0.offset)) (select .cse4 (+ (- 16) .cse5 c_~x~0.offset)))))))) is different from false [2023-05-04 15:13:48,635 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_375 (Array Int Int)) (v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_375) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse2 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) c_~x~0.base)) (.cse1 (* c_~n~0 4))) (+ (select .cse0 (+ (- 12) .cse1 c_~x~0.offset)) (select .cse0 (+ (- 20) .cse1 c_~x~0.offset)) (select .cse0 (+ (- 16) .cse1 c_~x~0.offset)))) (let ((.cse3 (select .cse2 c_~x~0.base))) (+ (select .cse3 (+ 12 c_~x~0.offset)) (select .cse3 (+ 8 c_~x~0.offset)) (select (select .cse4 c_~x~0.base) (+ c_~x~0.offset 4)))))))) is different from false [2023-05-04 15:13:48,648 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_375 (Array Int Int)) (v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_375) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse2 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) |c_ULTIMATE.start_main_#t~ret26#1.base|)) (.cse1 (* c_~n~0 4))) (+ (select .cse0 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| (- 16) .cse1)) (select .cse0 (+ (- 20) |c_ULTIMATE.start_main_#t~ret26#1.offset| .cse1)) (select .cse0 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| (- 12) .cse1)))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_main_#t~ret26#1.base|))) (+ (select .cse3 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| 8)) (select (select .cse4 |c_ULTIMATE.start_main_#t~ret26#1.base|) (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| 4)) (select .cse3 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| 12)))))))) is different from false [2023-05-04 15:13:48,657 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_375 (Array Int Int)) (v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_375) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse2 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse1 (* c_~n~0 4))) (+ (select .cse0 (+ (- 20) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| .cse1)) (select .cse0 (+ (- 16) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| .cse1)) (select .cse0 (+ (- 12) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| .cse1)))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (+ (select .cse3 (+ 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select .cse3 (+ 12 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)))))))) is different from false [2023-05-04 15:13:48,663 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_375 (Array Int Int)) (v_ArrVal_377 (Array Int Int)) (v_ArrVal_376 (Array Int Int)) (v_ArrVal_378 (Array Int Int))) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_375) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_376))) (let ((.cse2 (store .cse1 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_377))) (= (let ((.cse0 (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (+ (select .cse0 (+ 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse0 (+ 12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (let ((.cse3 (select (store .cse2 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_378) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) (.cse4 (* c_~n~0 4))) (+ (select .cse3 (+ (- 16) .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse3 (+ (- 12) .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse3 (+ (- 20) .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))))))) is different from false [2023-05-04 15:13:49,207 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:13:49,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 186 treesize of output 127 [2023-05-04 15:13:49,296 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:13:49,298 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 437238 treesize of output 398928 [2023-05-04 15:13:49,907 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:13:49,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 398838 treesize of output 344656 [2023-05-04 15:13:50,544 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:13:50,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 344566 treesize of output 317520 [2023-05-04 15:13:51,171 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:13:51,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 317430 treesize of output 241714 [2023-05-04 15:13:51,834 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 15:13:51,835 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 241654 treesize of output 155638 Received shutdown request... [2023-05-04 15:27:13,452 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 15:27:13,452 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 15:27:13,452 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 15:27:13,458 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-04 15:27:13,465 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 15:27:13,661 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,SelfDestructingSolverStorable8 [2023-05-04 15:27:13,661 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2023-05-04 15:27:13,663 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-04 15:27:13,663 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-04 15:27:13,663 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-04 15:27:13,663 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-04 15:27:13,666 INFO L444 BasicCegarLoop]: Path program histogram: [6, 2, 1] [2023-05-04 15:27:13,674 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 15:27:13,674 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 15:27:13,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 03:27:13 BasicIcfg [2023-05-04 15:27:13,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 15:27:13,676 INFO L158 Benchmark]: Toolchain (without parser) took 861236.18ms. Allocated memory was 127.9MB in the beginning and 902.8MB in the end (delta: 774.9MB). Free memory was 77.0MB in the beginning and 823.1MB in the end (delta: -746.1MB). Peak memory consumption was 543.0MB. Max. memory is 8.0GB. [2023-05-04 15:27:13,677 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 93.7MB in the end (delta: 92.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 15:27:13,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.55ms. Allocated memory was 127.9MB in the beginning and 189.8MB in the end (delta: 61.9MB). Free memory was 76.8MB in the beginning and 164.2MB in the end (delta: -87.4MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2023-05-04 15:27:13,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.51ms. Allocated memory is still 189.8MB. Free memory was 164.2MB in the beginning and 161.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 15:27:13,677 INFO L158 Benchmark]: Boogie Preprocessor took 34.17ms. Allocated memory is still 189.8MB. Free memory was 161.7MB in the beginning and 159.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 15:27:13,677 INFO L158 Benchmark]: RCFGBuilder took 680.74ms. Allocated memory is still 189.8MB. Free memory was 159.6MB in the beginning and 161.6MB in the end (delta: -2.0MB). Peak memory consumption was 47.8MB. Max. memory is 8.0GB. [2023-05-04 15:27:13,678 INFO L158 Benchmark]: TraceAbstraction took 860162.81ms. Allocated memory was 189.8MB in the beginning and 902.8MB in the end (delta: 713.0MB). Free memory was 160.6MB in the beginning and 823.1MB in the end (delta: -662.5MB). Peak memory consumption was 563.2MB. Max. memory is 8.0GB. [2023-05-04 15:27:13,679 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 127.9MB. Free memory was 93.8MB in the beginning and 93.7MB in the end (delta: 92.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 293.55ms. Allocated memory was 127.9MB in the beginning and 189.8MB in the end (delta: 61.9MB). Free memory was 76.8MB in the beginning and 164.2MB in the end (delta: -87.4MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.51ms. Allocated memory is still 189.8MB. Free memory was 164.2MB in the beginning and 161.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.17ms. Allocated memory is still 189.8MB. Free memory was 161.7MB in the beginning and 159.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 680.74ms. Allocated memory is still 189.8MB. Free memory was 159.6MB in the beginning and 161.6MB in the end (delta: -2.0MB). Peak memory consumption was 47.8MB. Max. memory is 8.0GB. * TraceAbstraction took 860162.81ms. Allocated memory was 189.8MB in the beginning and 902.8MB in the end (delta: 713.0MB). Free memory was 160.6MB in the beginning and 823.1MB in the end (delta: -662.5MB). Peak memory consumption was 563.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5465, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 390, dependent conditional: 365, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5109, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 34, dependent conditional: 9, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5109, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 34, dependent conditional: 9, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 29, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 28, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 28, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2699, independent: 2667, independent conditional: 0, independent unconditional: 2667, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2699, independent: 2667, independent conditional: 0, independent unconditional: 2667, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 137, dependent conditional: 20, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5138, independent: 2408, independent conditional: 0, independent unconditional: 2408, dependent: 31, dependent conditional: 21, dependent unconditional: 10, unknown: 2699, unknown conditional: 7, unknown unconditional: 2692] , Statistics on independence cache: Total cache size (in pairs): 2699, Positive cache size: 2667, Positive conditional cache size: 0, Positive unconditional cache size: 2667, Negative cache size: 32, Negative conditional cache size: 7, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 7, Independence queries for same thread: 356 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 233, Number of trivial persistent sets: 195, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2955, independent: 2930, independent conditional: 0, independent unconditional: 2930, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5465, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 390, dependent conditional: 365, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5109, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 34, dependent conditional: 9, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5109, independent: 5075, independent conditional: 2145, independent unconditional: 2930, dependent: 34, dependent conditional: 9, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 29, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 28, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5138, independent: 5075, independent conditional: 0, independent unconditional: 5075, dependent: 63, dependent conditional: 28, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2699, independent: 2667, independent conditional: 0, independent unconditional: 2667, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2699, independent: 2667, independent conditional: 0, independent unconditional: 2667, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 7, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 137, dependent conditional: 20, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5138, independent: 2408, independent conditional: 0, independent unconditional: 2408, dependent: 31, dependent conditional: 21, dependent unconditional: 10, unknown: 2699, unknown conditional: 7, unknown unconditional: 2692] , Statistics on independence cache: Total cache size (in pairs): 2699, Positive cache size: 2667, Positive conditional cache size: 0, Positive unconditional cache size: 2667, Negative cache size: 32, Negative conditional cache size: 7, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 7, Independence queries for same thread: 356 - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 126]: 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 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 128]: 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 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 129]: 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 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 127]: 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 249 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 228 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 860.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 3.4s, 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: 169, 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: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 2934 NumberOfCodeBlocks, 2864 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 4198 ConstructedInterpolants, 0 QuantifiedInterpolants, 14682 SizeOfPredicates, 123 NumberOfNonLiveVariables, 4092 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 2078/2835 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