/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/mult-comm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 15:03:41,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 15:03:41,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 15:03:41,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 15:03:41,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 15:03:41,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 15:03:41,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 15:03:41,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 15:03:41,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 15:03:41,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 15:03:41,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 15:03:41,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 15:03:41,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 15:03:41,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 15:03:41,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 15:03:41,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 15:03:41,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 15:03:41,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 15:03:41,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 15:03:41,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 15:03:41,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 15:03:41,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 15:03:41,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 15:03:41,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 15:03:41,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 15:03:41,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 15:03:41,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 15:03:41,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 15:03:41,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 15:03:41,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 15:03:41,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 15:03:41,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 15:03:41,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 15:03:41,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 15:03:41,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 15:03:41,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 15:03:41,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 15:03:41,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 15:03:41,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 15:03:41,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 15:03:41,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 15:03:41,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 15:03:41,828 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 15:03:41,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 15:03:41,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 15:03:41,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 15:03:41,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 15:03:41,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 15:03:41,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 15:03:41,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 15:03:41,829 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 15:03:41,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 15:03:41,830 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 15:03:41,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 15:03:41,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 15:03:41,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 15:03:41,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 15:03:41,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 15:03:41,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 15:03:41,830 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 15:03:41,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 15:03:41,830 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 15:03:41,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 15:03:41,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 15:03:41,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 15:03:41,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 15:03:41,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 15:03:41,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 15:03:41,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 15:03:41,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 15:03:41,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 15:03:41,831 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 15:03:41,832 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 15:03:41,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 15:03:41,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 15:03:41,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 15:03:41,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 15:03:41,832 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 15:03:41,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 15:03:42,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 15:03:42,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 15:03:42,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 15:03:42,060 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 15:03:42,061 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 15:03:42,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-05-04 15:03:42,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223c900e7/6e50a66dabc34772905cda7dd7fccd9e/FLAGe9c4a23e0 [2023-05-04 15:03:42,455 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 15:03:42,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-05-04 15:03:42,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223c900e7/6e50a66dabc34772905cda7dd7fccd9e/FLAGe9c4a23e0 [2023-05-04 15:03:42,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223c900e7/6e50a66dabc34772905cda7dd7fccd9e [2023-05-04 15:03:42,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 15:03:42,480 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 15:03:42,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 15:03:42,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 15:03:42,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 15:03:42,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45cc6406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42, skipping insertion in model container [2023-05-04 15:03:42,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 15:03:42,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 15:03:42,655 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/mult-comm.wvr.c[1910,1923] [2023-05-04 15:03:42,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 15:03:42,664 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 15:03:42,683 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/mult-comm.wvr.c[1910,1923] [2023-05-04 15:03:42,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 15:03:42,696 INFO L208 MainTranslator]: Completed translation [2023-05-04 15:03:42,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42 WrapperNode [2023-05-04 15:03:42,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 15:03:42,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 15:03:42,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 15:03:42,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 15:03:42,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,722 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-05-04 15:03:42,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 15:03:42,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 15:03:42,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 15:03:42,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 15:03:42,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,749 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 15:03:42,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 15:03:42,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 15:03:42,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 15:03:42,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (1/1) ... [2023-05-04 15:03:42,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 15:03:42,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:03:42,814 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 15:03:42,846 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 15:03:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 15:03:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 15:03:42,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 15:03:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 15:03:42,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 15:03:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 15:03:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 15:03:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 15:03:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 15:03:42,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 15:03:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 15:03:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 15:03:42,873 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 15:03:42,929 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 15:03:42,930 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 15:03:43,042 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 15:03:43,046 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 15:03:43,046 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 15:03:43,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:03:43 BoogieIcfgContainer [2023-05-04 15:03:43,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 15:03:43,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 15:03:43,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 15:03:43,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 15:03:43,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 03:03:42" (1/3) ... [2023-05-04 15:03:43,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a100e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:03:43, skipping insertion in model container [2023-05-04 15:03:43,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:42" (2/3) ... [2023-05-04 15:03:43,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a100e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:03:43, skipping insertion in model container [2023-05-04 15:03:43,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:03:43" (3/3) ... [2023-05-04 15:03:43,053 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2023-05-04 15:03:43,058 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 15:03:43,064 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 15:03:43,064 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 15:03:43,064 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 15:03:43,143 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 15:03:43,186 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 15:03:43,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 15:03:43,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:03:43,188 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 15:03:43,209 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 15:03:43,234 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 15:03:43,247 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 15:03:43,254 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;@5871f3bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 15:03:43,255 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 15:03:43,408 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 15:03:43,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:03:43,412 INFO L85 PathProgramCache]: Analyzing trace with hash -573152869, now seen corresponding path program 1 times [2023-05-04 15:03:43,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:03:43,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074902606] [2023-05-04 15:03:43,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:03:43,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:03:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:03:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:03:43,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:03:43,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074902606] [2023-05-04 15:03:43,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074902606] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 15:03:43,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 15:03:43,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 15:03:43,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309414118] [2023-05-04 15:03:43,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 15:03:43,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 15:03:43,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:03:43,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 15:03:43,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 15:03:43,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:43,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:03:43,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 15:03:43,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:43,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:43,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 15:03:43,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 15:03:43,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:03:43,658 INFO L85 PathProgramCache]: Analyzing trace with hash -356656277, now seen corresponding path program 1 times [2023-05-04 15:03:43,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:03:43,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823361069] [2023-05-04 15:03:43,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:03:43,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:03:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:03:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:03:44,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:03:44,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823361069] [2023-05-04 15:03:44,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823361069] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:03:44,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996633131] [2023-05-04 15:03:44,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:03:44,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:03:44,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:03:44,397 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 15:03:44,427 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 15:03:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:03:44,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 15:03:44,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:03:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:03:44,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:03:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:03:45,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996633131] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:03:45,084 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:03:45,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 13 [2023-05-04 15:03:45,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879850221] [2023-05-04 15:03:45,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:03:45,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 15:03:45,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:03:45,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 15:03:45,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-05-04 15:03:45,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:45,086 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:03:45,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 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 15:03:45,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:45,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:45,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:45,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:03:45,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 15:03:45,552 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,SelfDestructingSolverStorable1 [2023-05-04 15:03:45,553 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 15:03:45,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:03:45,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1277853625, now seen corresponding path program 1 times [2023-05-04 15:03:45,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:03:45,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181384077] [2023-05-04 15:03:45,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:03:45,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:03:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:03:45,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:03:45,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:03:45,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181384077] [2023-05-04 15:03:45,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181384077] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:03:45,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306267765] [2023-05-04 15:03:45,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:03:45,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:03:45,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:03:45,918 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 15:03:45,952 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 15:03:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:03:45,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-04 15:03:45,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:03:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:03:46,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:03:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:03:46,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306267765] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:03:46,385 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:03:46,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 17 [2023-05-04 15:03:46,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410421013] [2023-05-04 15:03:46,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:03:46,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-05-04 15:03:46,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:03:46,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-05-04 15:03:46,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-05-04 15:03:46,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:46,387 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:03:46,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.117647058823529) internal successors, (121), 17 states have internal predecessors, (121), 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 15:03:46,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:46,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 15:03:46,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:46,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:46,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 15:03:46,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:03:46,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-04 15:03:46,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:03:46,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 15:03:46,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:03:46,750 INFO L85 PathProgramCache]: Analyzing trace with hash 593834245, now seen corresponding path program 1 times [2023-05-04 15:03:46,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:03:46,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030676305] [2023-05-04 15:03:46,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:03:46,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:03:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:03:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:03:47,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:03:47,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030676305] [2023-05-04 15:03:47,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030676305] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:03:47,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746703147] [2023-05-04 15:03:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:03:47,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:03:47,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:03:47,439 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 15:03:47,484 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 15:03:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:03:47,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 29 conjunts are in the unsatisfiable core [2023-05-04 15:03:47,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:03:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:03:48,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:03:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:03:51,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746703147] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:03:51,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:03:51,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 17] total 37 [2023-05-04 15:03:51,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36001970] [2023-05-04 15:03:51,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:03:51,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-04 15:03:51,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:03:51,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-04 15:03:51,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1143, Unknown=0, NotChecked=0, Total=1332 [2023-05-04 15:03:51,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:51,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:03:51,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.6486486486486487) internal successors, (135), 37 states have internal predecessors, (135), 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 15:03:51,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:51,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 15:03:51,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:03:51,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:54,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:03:54,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 15:03:54,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:03:54,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 15:03:54,968 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 15:03:55,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:03:55,158 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 15:03:55,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:03:55,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1463051643, now seen corresponding path program 2 times [2023-05-04 15:03:55,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:03:55,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809779174] [2023-05-04 15:03:55,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:03:55,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:03:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:04:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:04:00,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:04:00,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809779174] [2023-05-04 15:04:00,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809779174] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:04:00,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167617733] [2023-05-04 15:04:00,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 15:04:00,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:04:00,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:04:00,294 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 15:04:00,342 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 15:04:00,569 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 15:04:00,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:04:00,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-04 15:04:00,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:04:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:04:23,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 15:07:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:07:17,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167617733] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 15:07:17,688 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 15:07:17,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 59 [2023-05-04 15:07:17,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469341989] [2023-05-04 15:07:17,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 15:07:17,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-05-04 15:07:17,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 15:07:17,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-05-04 15:07:17,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=3077, Unknown=64, NotChecked=0, Total=3422 [2023-05-04 15:07:17,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:07:17,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 15:07:17,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 2.7457627118644066) internal successors, (162), 59 states have internal predecessors, (162), 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 15:07:17,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:07:17,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 15:07:17,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:07:17,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-04 15:07:17,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:07:30,871 WARN L233 SmtUtils]: Spent 8.12s on a formula simplification. DAG size of input: 80 DAG size of output: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:07:31,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:07:43,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:07:45,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:07:47,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:07:49,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:08:41,288 WARN L233 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 111 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:08:57,223 WARN L233 SmtUtils]: Spent 8.08s on a formula simplification. DAG size of input: 115 DAG size of output: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:08:59,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:09:35,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:10:21,209 WARN L233 SmtUtils]: Spent 8.52s on a formula simplification. DAG size of input: 51 DAG size of output: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:10:24,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:10:26,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:10:29,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:10:43,408 WARN L233 SmtUtils]: Spent 9.07s on a formula simplification. DAG size of input: 60 DAG size of output: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:10:45,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:10:59,018 WARN L233 SmtUtils]: Spent 7.90s on a formula simplification. DAG size of input: 43 DAG size of output: 24 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:11:01,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:11:03,400 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (mod c_~a~0 4294967296)) (.cse4 (* 2 c_~b~0)) (.cse8 (* 4294967296 (div c_~x_1~0 4294967296)))) (let ((.cse10 (* (div c_~x_2~0 4294967296) 4294967296)) (.cse9 (+ c_~x_2~0 .cse8)) (.cse7 (* 3 c_~b~0)) (.cse2 (let ((.cse15 (+ c_~x_2~0 .cse4 .cse8)) (.cse14 (* (div (+ c_~x_2~0 .cse4) 4294967296) 4294967296))) (and (<= (+ .cse14 c_~x_1~0) .cse15) (< .cse15 (+ .cse14 c_~x_1~0 1))))) (.cse0 (not (< (mod (+ c_thread2Thread1of1ForFork1_~i~1 1) 4294967296) .cse1))) (.cse3 (< (mod (+ 2 c_thread2Thread1of1ForFork1_~i~1) 4294967296) .cse1)) (.cse13 (div c_thread2Thread1of1ForFork1_~i~1 4294967296))) (and (or .cse0 (< (mod (+ c_thread2Thread1of1ForFork1_~i~1 3) 4294967296) .cse1) .cse2 (not .cse3)) (<= (div (+ c_~b~0 (div (+ (* c_~b~0 (- 715827882)) (* c_~x_2~0 715827883) 2147483646) 2147483648)) 1431655766) (+ (div (+ (- c_~x_1~0) c_~x_2~0 (- 2) .cse4 c_~a~0 (- c_thread2Thread1of1ForFork1_~i~1)) 4294967296) (div (+ (- 1) c_thread2Thread1of1ForFork1_~i~1) 4294967296))) (= c_~x_2~0 .cse4) (<= c_~x_1~0 c_~a~0) (or (< 3 .cse1) (let ((.cse6 (+ c_~x_2~0 .cse8 .cse7)) (.cse5 (* 4294967296 (div (+ c_~x_2~0 .cse7) 4294967296)))) (and (<= (+ c_~x_1~0 .cse5) .cse6) (< .cse6 (+ c_~x_1~0 .cse5 1)))) (<= .cse1 2)) (<= (+ c_~x_2~0 .cse4 c_~a~0) (+ (* (div (+ c_~x_2~0 (- 3) .cse4) 4294967296) 4294967296) c_~x_1~0 2 c_thread2Thread1of1ForFork1_~i~1)) (< .cse9 (+ c_~x_1~0 .cse10 1)) (<= c_~x_1~0 (+ (* (div c_~a~0 4294967296) 4294967296) 4294967295)) (<= (+ c_~x_1~0 .cse10) .cse9) (<= (+ .cse7 c_~a~0) (+ c_~x_1~0 3 (* (div (+ (- 3) .cse7) 4294967296) 4294967296))) (or .cse0 .cse3 .cse2) (< 1 .cse1) (or .cse0 (let ((.cse12 (+ c_~x_2~0 c_~b~0 .cse8)) (.cse11 (* (div (+ c_~x_2~0 c_~b~0) 4294967296) 4294967296))) (and (<= (+ .cse11 c_~x_1~0) .cse12) (< .cse12 (+ .cse11 c_~x_1~0 1)))) .cse3) (= 2 c_thread2Thread1of1ForFork1_~i~1) (<= c_thread2Thread1of1ForFork1_~i~1 (+ 4294967294 (* .cse13 4294967296))) (<= .cse13 0)))) is different from false [2023-05-04 15:11:41,792 WARN L233 SmtUtils]: Spent 15.10s on a formula simplification. DAG size of input: 91 DAG size of output: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:11:43,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:11:45,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:11:48,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:11:52,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:12:21,367 WARN L233 SmtUtils]: Spent 14.44s on a formula simplification. DAG size of input: 132 DAG size of output: 60 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:12:24,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:12:26,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:12:28,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:12:30,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:12:32,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:12:33,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:13:26,496 WARN L233 SmtUtils]: Spent 39.41s on a formula simplification. DAG size of input: 132 DAG size of output: 79 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:13:28,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:13:30,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:14:10,880 WARN L233 SmtUtils]: Spent 20.80s on a formula simplification. DAG size of input: 113 DAG size of output: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:14:12,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:14:13,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:14:15,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:14:19,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:14:21,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:14:23,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:14:25,848 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse25 (div c_~x_1~0 4294967296)) (.cse6 (mod c_~a~0 4294967296))) (let ((.cse17 (* (div (- c_~x_2~0) (- 3)) 3)) (.cse4 (< (mod (+ c_thread2Thread1of1ForFork1_~i~1 1) 4294967296) .cse6)) (.cse7 (div c_thread2Thread1of1ForFork1_~i~1 4294967296)) (.cse16 (* 4294967296 .cse25)) (.cse19 (< (mod (+ 2 c_thread2Thread1of1ForFork1_~i~1) 4294967296) .cse6))) (let ((.cse1 (< (mod (+ c_thread2Thread1of1ForFork1_~i~1 3) 4294967296) .cse6)) (.cse3 (not .cse19)) (.cse8 (- c_~x_1~0)) (.cse12 (* (div c_~x_2~0 4294967296) 4294967296)) (.cse11 (+ c_~x_2~0 .cse16)) (.cse9 (div c_~a~0 4294967296)) (.cse10 (+ .cse7 .cse25)) (.cse2 (let ((.cse24 (* 2 c_~b~0))) (let ((.cse23 (+ c_~x_2~0 .cse24 .cse16)) (.cse22 (* (div (+ c_~x_2~0 .cse24) 4294967296) 4294967296))) (and (<= (+ .cse22 c_~x_1~0) .cse23) (< .cse23 (+ .cse22 c_~x_1~0 1)))))) (.cse0 (not .cse4)) (.cse5 (let ((.cse21 (+ c_~x_2~0 c_~b~0 .cse16)) (.cse20 (* (div (+ c_~x_2~0 c_~b~0) 4294967296) 4294967296))) (and (<= (+ .cse20 c_~x_1~0) .cse21) (< .cse21 (+ .cse20 c_~x_1~0 1))))) (.cse18 (div (+ (- 3) .cse17) 4294967296))) (and (or .cse0 .cse1 .cse2 .cse3) (= (mod (* c_~x_2~0 2) 3) 0) (<= c_~x_1~0 c_~a~0) (= c_thread2Thread1of1ForFork1_~i~1 3) (or .cse4 .cse5 (not (< (mod c_thread2Thread1of1ForFork1_~i~1 4294967296) .cse6))) (or (<= (+ (div (+ c_~b~0 (div (+ (* (- 1431655765) c_~b~0) (* c_~x_2~0 715827883) 2147483646) 2147483648)) 1431655766) .cse7) (+ (div (+ .cse8 (- 1) c_~x_2~0 c_~b~0 c_~a~0 (- c_thread2Thread1of1ForFork1_~i~1)) 4294967296) (div (+ (- 2) c_thread2Thread1of1ForFork1_~i~1) 4294967296))) (not (<= .cse9 .cse10))) (< .cse11 (+ c_~x_1~0 .cse12 1)) (or .cse0 (let ((.cse15 (* 3 c_~b~0))) (let ((.cse14 (+ c_~x_2~0 .cse16 .cse15)) (.cse13 (* 4294967296 (div (+ c_~x_2~0 .cse15) 4294967296)))) (and (<= (+ c_~x_1~0 .cse13) .cse14) (< .cse14 (+ c_~x_1~0 .cse13 1))))) .cse1 .cse3) (<= (+ 8589934592 (* 4294967296 (div (+ .cse8 (- 4) .cse17) 4294967296)) .cse16 (* (div (+ c_~x_1~0 (- 4)) 4294967296) 4294967296) .cse17) (+ c_~x_1~0 (* 8589934592 .cse18))) (<= (+ c_~x_1~0 .cse12) .cse11) (not (<= (+ .cse9 1) .cse10)) (or .cse0 .cse19 .cse2) (<= (+ c_~x_2~0 c_~b~0 c_~a~0) (+ c_~x_1~0 c_thread2Thread1of1ForFork1_~i~1 (* (div (+ c_~x_2~0 c_~b~0 (- 3)) 4294967296) 4294967296) 1)) (or .cse0 .cse5 .cse19) (< 2 .cse6) (<= (+ .cse17 c_~a~0) (+ c_~x_1~0 3 (* .cse18 4294967296))))))) is different from false [2023-05-04 15:14:28,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:14:31,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:15:34,002 WARN L233 SmtUtils]: Spent 49.01s on a formula simplification. DAG size of input: 118 DAG size of output: 61 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 15:15:36,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:15:37,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:15:40,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:15:42,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:15:44,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:16:05,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 15:17:01,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 15:17:01,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 15:17:01,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 15:17:01,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 15:17:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-04 15:17:01,971 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 15:17:02,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:17:02,169 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 15:17:02,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 15:17:02,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1173278085, now seen corresponding path program 3 times [2023-05-04 15:17:02,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 15:17:02,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578725297] [2023-05-04 15:17:02,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 15:17:02,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 15:17:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 15:17:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:17:06,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 15:17:06,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578725297] [2023-05-04 15:17:06,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578725297] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 15:17:06,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6891169] [2023-05-04 15:17:06,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 15:17:06,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:17:06,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 15:17:06,755 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 15:17:06,757 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 15:17:07,041 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-04 15:17:07,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 15:17:07,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 67 conjunts are in the unsatisfiable core [2023-05-04 15:17:07,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 15:17:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 15:17:47,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-05-04 15:18:21,279 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 15:18:21,280 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 15:18:21,281 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 15:18:21,321 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 15:18:21,329 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 15:18:21,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:18:21,522 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 96 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 67 known predicates. [2023-05-04 15:18:21,524 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 15:18:21,524 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 15:18:21,527 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2023-05-04 15:18:21,529 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 15:18:21,529 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 15:18:21,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 03:18:21 BasicIcfg [2023-05-04 15:18:21,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 15:18:21,532 INFO L158 Benchmark]: Toolchain (without parser) took 879051.95ms. Allocated memory was 198.2MB in the beginning and 324.0MB in the end (delta: 125.8MB). Free memory was 164.6MB in the beginning and 152.6MB in the end (delta: 12.1MB). Peak memory consumption was 137.3MB. Max. memory is 8.0GB. [2023-05-04 15:18:21,532 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 198.2MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 15:18:21,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.17ms. Allocated memory is still 198.2MB. Free memory was 164.3MB in the beginning and 166.6MB in the end (delta: -2.3MB). Peak memory consumption was 6.5MB. Max. memory is 8.0GB. [2023-05-04 15:18:21,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.11ms. Allocated memory is still 198.2MB. Free memory was 166.6MB in the beginning and 165.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 15:18:21,533 INFO L158 Benchmark]: Boogie Preprocessor took 26.98ms. Allocated memory is still 198.2MB. Free memory was 165.1MB in the beginning and 163.9MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 15:18:21,533 INFO L158 Benchmark]: RCFGBuilder took 296.90ms. Allocated memory is still 198.2MB. Free memory was 163.9MB in the beginning and 151.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-04 15:18:21,533 INFO L158 Benchmark]: TraceAbstraction took 878482.33ms. Allocated memory was 198.2MB in the beginning and 324.0MB in the end (delta: 125.8MB). Free memory was 150.8MB in the beginning and 152.6MB in the end (delta: -1.8MB). Peak memory consumption was 124.5MB. Max. memory is 8.0GB. [2023-05-04 15:18:21,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 198.2MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.17ms. Allocated memory is still 198.2MB. Free memory was 164.3MB in the beginning and 166.6MB in the end (delta: -2.3MB). Peak memory consumption was 6.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.11ms. Allocated memory is still 198.2MB. Free memory was 166.6MB in the beginning and 165.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.98ms. Allocated memory is still 198.2MB. Free memory was 165.1MB in the beginning and 163.9MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 296.90ms. Allocated memory is still 198.2MB. Free memory was 163.9MB in the beginning and 151.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 878482.33ms. Allocated memory was 198.2MB in the beginning and 324.0MB in the end (delta: 125.8MB). Free memory was 150.8MB in the beginning and 152.6MB in the end (delta: -1.8MB). Peak memory consumption was 124.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1891, independent: 1586, independent conditional: 826, independent unconditional: 760, dependent: 305, dependent conditional: 299, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1592, independent: 1586, independent conditional: 826, independent unconditional: 760, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1592, independent: 1586, independent conditional: 826, independent unconditional: 760, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1592, independent: 1586, independent conditional: 0, independent unconditional: 1586, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1592, independent: 1586, independent conditional: 0, independent unconditional: 1586, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1592, independent: 1586, independent conditional: 0, independent unconditional: 1586, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 688, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 688, independent: 681, independent conditional: 0, independent unconditional: 681, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1592, independent: 904, independent conditional: 0, independent unconditional: 904, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 688, unknown conditional: 0, unknown unconditional: 688] , Statistics on independence cache: Total cache size (in pairs): 688, Positive cache size: 682, Positive conditional cache size: 0, Positive unconditional cache size: 682, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 299 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 143, Number of trivial persistent sets: 124, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 766, independent: 760, independent conditional: 0, independent unconditional: 760, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1891, independent: 1586, independent conditional: 826, independent unconditional: 760, dependent: 305, dependent conditional: 299, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1592, independent: 1586, independent conditional: 826, independent unconditional: 760, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1592, independent: 1586, independent conditional: 826, independent unconditional: 760, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1592, independent: 1586, independent conditional: 0, independent unconditional: 1586, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1592, independent: 1586, independent conditional: 0, independent unconditional: 1586, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1592, independent: 1586, independent conditional: 0, independent unconditional: 1586, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 688, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 688, independent: 681, independent conditional: 0, independent unconditional: 681, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1592, independent: 904, independent conditional: 0, independent unconditional: 904, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 688, unknown conditional: 0, unknown unconditional: 688] , Statistics on independence cache: Total cache size (in pairs): 688, Positive cache size: 682, Positive conditional cache size: 0, Positive unconditional cache size: 682, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 299 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 96 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 67 known predicates. - TimeoutResultAtElement [Line: 64]: 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 96 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 67 known predicates. - TimeoutResultAtElement [Line: 65]: 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 96 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 67 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 878.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 588.6s, 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: 143, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 208.6s InterpolantComputationTime, 575 NumberOfCodeBlocks, 575 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 822 ConstructedInterpolants, 18 QuantifiedInterpolants, 15968 SizeOfPredicates, 46 NumberOfNonLiveVariables, 604 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 0/69 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