/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/unroll-cond-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 16:16:59,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 16:16:59,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 16:16:59,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 16:16:59,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 16:16:59,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 16:16:59,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 16:16:59,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 16:16:59,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 16:16:59,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 16:16:59,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 16:16:59,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 16:16:59,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 16:16:59,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 16:16:59,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 16:16:59,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 16:16:59,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 16:16:59,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 16:16:59,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 16:16:59,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 16:16:59,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 16:16:59,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 16:16:59,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 16:16:59,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 16:16:59,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 16:16:59,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 16:16:59,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 16:16:59,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 16:16:59,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 16:16:59,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 16:16:59,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 16:16:59,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 16:16:59,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 16:16:59,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 16:16:59,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 16:16:59,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 16:16:59,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 16:16:59,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 16:16:59,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 16:16:59,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 16:16:59,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 16:16:59,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 16:16:59,736 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 16:16:59,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 16:16:59,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 16:16:59,737 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 16:16:59,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 16:16:59,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 16:16:59,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 16:16:59,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 16:16:59,738 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 16:16:59,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 16:16:59,739 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 16:16:59,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 16:16:59,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 16:16:59,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 16:16:59,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 16:16:59,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 16:16:59,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 16:16:59,740 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 16:16:59,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 16:16:59,740 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 16:16:59,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 16:16:59,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 16:16:59,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 16:16:59,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 16:16:59,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 16:16:59,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 16:16:59,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 16:16:59,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 16:16:59,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 16:16:59,742 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 16:16:59,742 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 16:16:59,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 16:16:59,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 16:16:59,743 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 16:16:59,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 16:16:59,743 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 16:16:59,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 16:16:59,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 16:16:59,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 16:16:59,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 16:16:59,957 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 16:16:59,958 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 16:16:59,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2023-05-04 16:17:00,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3635ec769/f763662aba6a41f0bfcb21ff121c9212/FLAGf7d836974 [2023-05-04 16:17:00,372 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 16:17:00,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2023-05-04 16:17:00,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3635ec769/f763662aba6a41f0bfcb21ff121c9212/FLAGf7d836974 [2023-05-04 16:17:00,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3635ec769/f763662aba6a41f0bfcb21ff121c9212 [2023-05-04 16:17:00,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 16:17:00,792 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 16:17:00,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 16:17:00,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 16:17:00,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 16:17:00,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:17:00" (1/1) ... [2023-05-04 16:17:00,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7481b383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:00, skipping insertion in model container [2023-05-04 16:17:00,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:17:00" (1/1) ... [2023-05-04 16:17:00,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 16:17:00,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 16:17:00,991 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/unroll-cond-5.wvr.c[2975,2988] [2023-05-04 16:17:01,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 16:17:01,014 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 16:17:01,036 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/unroll-cond-5.wvr.c[2975,2988] [2023-05-04 16:17:01,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 16:17:01,049 INFO L208 MainTranslator]: Completed translation [2023-05-04 16:17:01,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01 WrapperNode [2023-05-04 16:17:01,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 16:17:01,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 16:17:01,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 16:17:01,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 16:17:01,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (1/1) ... [2023-05-04 16:17:01,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (1/1) ... [2023-05-04 16:17:01,098 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 204 [2023-05-04 16:17:01,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 16:17:01,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 16:17:01,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 16:17:01,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 16:17:01,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (1/1) ... [2023-05-04 16:17:01,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (1/1) ... [2023-05-04 16:17:01,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (1/1) ... [2023-05-04 16:17:01,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (1/1) ... [2023-05-04 16:17:01,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (1/1) ... [2023-05-04 16:17:01,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (1/1) ... [2023-05-04 16:17:01,120 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (1/1) ... [2023-05-04 16:17:01,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (1/1) ... [2023-05-04 16:17:01,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 16:17:01,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 16:17:01,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 16:17:01,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 16:17:01,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (1/1) ... [2023-05-04 16:17:01,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 16:17:01,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:17:01,155 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 16:17:01,171 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 16:17:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 16:17:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 16:17:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 16:17:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 16:17:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 16:17:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 16:17:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 16:17:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 16:17:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 16:17:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 16:17:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 16:17:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 16:17:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 16:17:01,194 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 16:17:01,273 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 16:17:01,275 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 16:17:01,606 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 16:17:01,615 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 16:17:01,615 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 16:17:01,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:17:01 BoogieIcfgContainer [2023-05-04 16:17:01,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 16:17:01,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 16:17:01,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 16:17:01,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 16:17:01,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 04:17:00" (1/3) ... [2023-05-04 16:17:01,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb81867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:17:01, skipping insertion in model container [2023-05-04 16:17:01,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:17:01" (2/3) ... [2023-05-04 16:17:01,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb81867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:17:01, skipping insertion in model container [2023-05-04 16:17:01,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:17:01" (3/3) ... [2023-05-04 16:17:01,630 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2023-05-04 16:17:01,636 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 16:17:01,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 16:17:01,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 16:17:01,642 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 16:17:01,751 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 16:17:01,809 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 16:17:01,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 16:17:01,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:17:01,812 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 16:17:01,836 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 16:17:01,858 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 16:17:01,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 16:17:01,887 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;@24d145b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 16:17:01,887 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 16:17:02,068 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 16:17:02,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:17:02,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1851130248, now seen corresponding path program 1 times [2023-05-04 16:17:02,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:17:02,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445994601] [2023-05-04 16:17:02,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:17:02,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:17:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:17:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 16:17:02,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:17:02,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445994601] [2023-05-04 16:17:02,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445994601] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:17:02,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:17:02,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 16:17:02,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620036298] [2023-05-04 16:17:02,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:17:02,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 16:17:02,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:17:02,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 16:17:02,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 16:17:02,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:02,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:17:02,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.5) internal successors, (155), 2 states have internal predecessors, (155), 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 16:17:02,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:02,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:02,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 16:17:02,434 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 16:17:02,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:17:02,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1788502523, now seen corresponding path program 1 times [2023-05-04 16:17:02,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:17:02,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863204225] [2023-05-04 16:17:02,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:17:02,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:17:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:17:03,734 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 16:17:03,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:17:03,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863204225] [2023-05-04 16:17:03,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863204225] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:17:03,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832839720] [2023-05-04 16:17:03,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:17:03,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:17:03,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:17:03,738 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 16:17:03,740 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 16:17:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:17:03,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 16:17:03,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:17:04,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:17:04,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 16:17:04,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832839720] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:17:04,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 16:17:04,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2023-05-04 16:17:04,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793381631] [2023-05-04 16:17:04,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:17:04,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 16:17:04,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:17:04,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 16:17:04,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2023-05-04 16:17:04,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:04,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:17:04,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.375) internal successors, (155), 8 states have internal predecessors, (155), 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 16:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:04,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:04,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:17:04,501 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 16:17:04,697 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 16:17:04,698 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 16:17:04,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:17:04,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1298593503, now seen corresponding path program 1 times [2023-05-04 16:17:04,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:17:04,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596902576] [2023-05-04 16:17:04,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:17:04,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:17:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:17:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 16:17:05,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:17:05,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596902576] [2023-05-04 16:17:05,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596902576] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:17:05,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405474939] [2023-05-04 16:17:05,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:17:05,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:17:05,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:17:05,573 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 16:17:05,624 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 16:17:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:17:05,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-04 16:17:05,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:17:07,157 INFO L356 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-05-04 16:17:07,158 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 13 [2023-05-04 16:17:07,320 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 16:17:07,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:17:08,161 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 16:17:08,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2023-05-04 16:17:09,595 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 16:17:09,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405474939] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:17:09,595 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:17:09,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21, 22] total 50 [2023-05-04 16:17:09,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531881048] [2023-05-04 16:17:09,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:17:09,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-04 16:17:09,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:17:09,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-04 16:17:09,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=2271, Unknown=0, NotChecked=0, Total=2450 [2023-05-04 16:17:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:09,599 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:17:09,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 8.76) internal successors, (438), 50 states have internal predecessors, (438), 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 16:17:09,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:09,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:17:09,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:12,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:12,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:17:12,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 16:17:12,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 16:17:12,304 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 16:17:12,304 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 16:17:12,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:17:12,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1090444816, now seen corresponding path program 2 times [2023-05-04 16:17:12,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:17:12,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578455640] [2023-05-04 16:17:12,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:17:12,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:17:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:17:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:17:13,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:17:13,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578455640] [2023-05-04 16:17:13,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578455640] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:17:13,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251198018] [2023-05-04 16:17:13,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 16:17:13,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:17:13,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:17:13,573 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 16:17:13,611 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 16:17:13,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 16:17:13,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:17:13,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 48 conjunts are in the unsatisfiable core [2023-05-04 16:17:13,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:17:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:17:15,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:17:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:17:18,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251198018] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:17:18,429 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:17:18,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 27] total 71 [2023-05-04 16:17:18,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626936481] [2023-05-04 16:17:18,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:17:18,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-05-04 16:17:18,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:17:18,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-05-04 16:17:18,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=4408, Unknown=0, NotChecked=0, Total=4970 [2023-05-04 16:17:18,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:18,433 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:17:18,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 6.957746478873239) internal successors, (494), 71 states have internal predecessors, (494), 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 16:17:18,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:18,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:17:18,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 16:17:18,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:17:37,342 WARN L233 SmtUtils]: Spent 8.26s on a formula simplification. DAG size of input: 77 DAG size of output: 34 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:17:50,092 WARN L233 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 75 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:18:05,106 WARN L233 SmtUtils]: Spent 7.88s on a formula simplification. DAG size of input: 77 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:18:27,812 WARN L233 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 79 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:19:04,880 WARN L233 SmtUtils]: Spent 16.43s on a formula simplification. DAG size of input: 81 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:19:05,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:19:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:19:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 16:19:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 16:19:05,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 16:19:05,920 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 16:19:05,921 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 16:19:05,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:19:05,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1080385979, now seen corresponding path program 3 times [2023-05-04 16:19:05,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:19:05,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307410717] [2023-05-04 16:19:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:19:05,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:19:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:19:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 615 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:19:10,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:19:10,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307410717] [2023-05-04 16:19:10,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307410717] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:19:10,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16710330] [2023-05-04 16:19:10,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 16:19:10,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:19:10,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:19:10,443 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 16:19:10,443 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 16:19:11,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 16:19:11,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:19:11,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 108 conjunts are in the unsatisfiable core [2023-05-04 16:19:11,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:19:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 615 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:19:16,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:19:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 615 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:19:31,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16710330] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:19:31,020 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:19:31,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 57] total 161 [2023-05-04 16:19:31,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796258294] [2023-05-04 16:19:31,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:19:31,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2023-05-04 16:19:31,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:19:31,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2023-05-04 16:19:31,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1380, Invalid=24380, Unknown=0, NotChecked=0, Total=25760 [2023-05-04 16:19:31,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:19:31,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:19:31,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 6.503105590062112) internal successors, (1047), 161 states have internal predecessors, (1047), 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 16:19:31,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:19:31,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:19:31,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 16:19:31,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 16:19:31,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:19:56,384 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 77 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:20:13,248 WARN L233 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 72 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:20:27,516 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 77 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:20:31,493 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 16:20:49,063 WARN L233 SmtUtils]: Spent 7.09s on a formula simplification. DAG size of input: 72 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:21:24,099 WARN L233 SmtUtils]: Spent 7.59s on a formula simplification. DAG size of input: 72 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:21:40,248 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 77 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:21:59,441 WARN L233 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 72 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:22:17,335 WARN L233 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 73 DAG size of output: 52 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:22:23,381 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (+ 4294967294 c_~n~0) 4294967296)) (.cse2 (mod (+ 4294967295 c_~n~0) 4294967296))) (and (let ((.cse0 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 18) 4294967296))) (or (< .cse0 .cse1) (< .cse0 .cse2))) (< (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296) .cse2) (let ((.cse3 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 9) 4294967296))) (or (< .cse3 .cse1) (< .cse3 .cse2))) (let ((.cse4 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 11) 4294967296))) (or (< .cse4 .cse2) (< .cse4 .cse1))) (<= c_~n~0 (* 4294967296 (div c_~n~0 4294967296))) (let ((.cse5 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 22) 4294967296))) (or (< .cse5 .cse2) (< .cse5 .cse1))) (let ((.cse6 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296))) (or (< .cse6 .cse2) (< .cse6 .cse1))) (let ((.cse7 (mod (+ 19 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse7 .cse1) (< .cse7 .cse2))) (let ((.cse8 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 5) 4294967296))) (or (< .cse8 .cse1) (< .cse8 .cse2))) (let ((.cse9 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296))) (or (< .cse9 .cse1) (< .cse9 .cse2))) (let ((.cse10 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 20) 4294967296))) (or (< .cse10 .cse1) (< .cse10 .cse2))) (let ((.cse11 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 24) 4294967296))) (or (< .cse11 .cse1) (< .cse11 .cse2))) (let ((.cse12 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296))) (or (< .cse12 .cse1) (< .cse12 .cse2))) (let ((.cse13 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296))) (or (< .cse13 .cse1) (< .cse13 .cse2))) (let ((.cse14 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 15) 4294967296))) (or (< .cse14 .cse1) (< .cse14 .cse2))) (let ((.cse15 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296))) (or (< .cse15 .cse1) (< .cse15 .cse2))) (let ((.cse16 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 13) 4294967296))) (or (< .cse16 .cse2) (< .cse16 .cse1))) (let ((.cse17 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 25) 4294967296))) (or (< .cse17 .cse1) (< .cse17 .cse2))) (let ((.cse18 (mod (+ 7 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse18 .cse1) (< .cse18 .cse2))) (let ((.cse19 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 14) 4294967296))) (or (< .cse19 .cse1) (< .cse19 .cse2))) (let ((.cse20 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 21) 4294967296))) (or (< .cse20 .cse1) (< .cse20 .cse2))) (let ((.cse21 (mod (+ 23 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse21 .cse1) (< .cse21 .cse2))) (let ((.cse22 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 16) 4294967296))) (or (< .cse22 .cse1) (< .cse22 .cse2))) (= |c_thread1Thread1of1ForFork1_~i~0#1| 0) (let ((.cse23 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 17) 4294967296))) (or (< .cse23 .cse1) (< .cse23 .cse2))))) is different from false [2023-05-04 16:23:28,554 WARN L233 SmtUtils]: Spent 17.66s on a formula simplification. DAG size of input: 81 DAG size of output: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:24:49,837 WARN L233 SmtUtils]: Spent 8.25s on a formula simplification. DAG size of input: 70 DAG size of output: 48 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:25:39,346 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (+ 4294967294 c_~n~0) 4294967296)) (.cse2 (mod (+ 4294967295 c_~n~0) 4294967296))) (and (let ((.cse0 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 18) 4294967296))) (or (< .cse0 .cse1) (< .cse0 .cse2))) (let ((.cse3 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 9) 4294967296))) (or (< .cse3 .cse1) (< .cse3 .cse2))) (let ((.cse4 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 11) 4294967296))) (or (< .cse4 .cse2) (< .cse4 .cse1))) (<= c_~n~0 (* 4294967296 (div c_~n~0 4294967296))) (let ((.cse5 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 22) 4294967296))) (or (< .cse5 .cse2) (< .cse5 .cse1))) (let ((.cse6 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296))) (or (< .cse6 .cse2) (< .cse6 .cse1))) (let ((.cse7 (mod (+ 19 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse7 .cse1) (< .cse7 .cse2))) (let ((.cse8 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 5) 4294967296))) (or (< .cse8 .cse1) (< .cse8 .cse2))) (let ((.cse9 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296))) (or (< .cse9 .cse1) (< .cse9 .cse2))) (let ((.cse10 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 20) 4294967296))) (or (< .cse10 .cse1) (< .cse10 .cse2))) (let ((.cse11 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 24) 4294967296))) (or (< .cse11 .cse1) (< .cse11 .cse2))) (let ((.cse12 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296))) (or (< .cse12 .cse1) (< .cse12 .cse2))) (let ((.cse13 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296))) (or (< .cse13 .cse1) (< .cse13 .cse2))) (let ((.cse14 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 15) 4294967296))) (or (< .cse14 .cse1) (< .cse14 .cse2))) (let ((.cse15 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296))) (or (< .cse15 .cse1) (< .cse15 .cse2))) (let ((.cse16 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 13) 4294967296))) (or (< .cse16 .cse2) (< .cse16 .cse1))) (let ((.cse17 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 25) 4294967296))) (or (< .cse17 .cse1) (< .cse17 .cse2))) (let ((.cse18 (mod (+ 7 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse18 .cse1) (< .cse18 .cse2))) (let ((.cse19 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 14) 4294967296))) (or (< .cse19 .cse1) (< .cse19 .cse2))) (let ((.cse20 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 21) 4294967296))) (or (< .cse20 .cse1) (< .cse20 .cse2))) (let ((.cse21 (mod (+ 23 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse21 .cse1) (< .cse21 .cse2))) (let ((.cse22 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 16) 4294967296))) (or (< .cse22 .cse1) (< .cse22 .cse2))) (= |c_thread1Thread1of1ForFork1_~i~0#1| 0) (let ((.cse23 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 17) 4294967296))) (or (< .cse23 .cse1) (< .cse23 .cse2))))) is different from false [2023-05-04 16:25:39,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:25:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:25:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 16:25:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 16:25:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2023-05-04 16:25:39,988 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 16:25:40,180 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 16:25:40,181 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 16:25:40,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:25:40,181 INFO L85 PathProgramCache]: Analyzing trace with hash -831446501, now seen corresponding path program 4 times [2023-05-04 16:25:40,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:25:40,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16748851] [2023-05-04 16:25:40,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:25:40,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:25:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:25:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 0 proven. 3366 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:25:55,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:25:55,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16748851] [2023-05-04 16:25:55,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16748851] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:25:55,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968380078] [2023-05-04 16:25:55,158 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 16:25:55,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:25:55,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:25:55,160 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 16:25:55,162 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 16:25:55,980 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 16:25:55,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:25:55,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 227 conjunts are in the unsatisfiable core [2023-05-04 16:25:55,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:26:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 0 proven. 3366 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:26:12,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:26:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 0 proven. 3366 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:26:45,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968380078] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:26:45,236 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:26:45,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [115, 115, 116] total 340 [2023-05-04 16:26:45,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934126711] [2023-05-04 16:26:45,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:26:45,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 340 states [2023-05-04 16:26:45,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:26:45,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 340 interpolants. [2023-05-04 16:26:45,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4920, Invalid=110340, Unknown=0, NotChecked=0, Total=115260 [2023-05-04 16:26:45,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:26:45,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:26:45,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 340 states, 340 states have (on average 6.311764705882353) internal successors, (2146), 340 states have internal predecessors, (2146), 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 16:26:45,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:26:45,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:26:45,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 16:26:45,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 16:26:45,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2023-05-04 16:26:45,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:27:36,103 WARN L233 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:27:39,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:27:40,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:27:42,601 WARN L539 Checker$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 16:27:48,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:27:52,432 WARN L539 Checker$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 16:27:57,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 16:28:00,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-05-04 16:31:08,335 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 16:31:08,335 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 16:31:08,335 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 16:31:09,107 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 16:31:09,299 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 16:31:09,300 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 508 known predicates. [2023-05-04 16:31:09,302 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 16:31:09,302 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 16:31:09,302 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 16:31:09,307 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2023-05-04 16:31:09,310 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 16:31:09,310 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 16:31:09,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 04:31:09 BasicIcfg [2023-05-04 16:31:09,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 16:31:09,313 INFO L158 Benchmark]: Toolchain (without parser) took 848521.56ms. Allocated memory was 185.6MB in the beginning and 642.8MB in the end (delta: 457.2MB). Free memory was 130.3MB in the beginning and 451.8MB in the end (delta: -321.5MB). Peak memory consumption was 137.2MB. Max. memory is 8.0GB. [2023-05-04 16:31:09,314 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory was 146.6MB in the beginning and 146.4MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 16:31:09,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.87ms. Allocated memory was 185.6MB in the beginning and 223.3MB in the end (delta: 37.7MB). Free memory was 130.1MB in the beginning and 197.6MB in the end (delta: -67.5MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2023-05-04 16:31:09,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.95ms. Allocated memory is still 223.3MB. Free memory was 197.6MB in the beginning and 195.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 16:31:09,315 INFO L158 Benchmark]: Boogie Preprocessor took 24.93ms. Allocated memory is still 223.3MB. Free memory was 195.0MB in the beginning and 193.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 16:31:09,315 INFO L158 Benchmark]: RCFGBuilder took 492.65ms. Allocated memory is still 223.3MB. Free memory was 193.4MB in the beginning and 172.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-05-04 16:31:09,316 INFO L158 Benchmark]: TraceAbstraction took 847693.53ms. Allocated memory was 223.3MB in the beginning and 642.8MB in the end (delta: 419.4MB). Free memory was 171.4MB in the beginning and 451.8MB in the end (delta: -280.4MB). Peak memory consumption was 140.6MB. Max. memory is 8.0GB. [2023-05-04 16:31:09,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory was 146.6MB in the beginning and 146.4MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 256.87ms. Allocated memory was 185.6MB in the beginning and 223.3MB in the end (delta: 37.7MB). Free memory was 130.1MB in the beginning and 197.6MB in the end (delta: -67.5MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.95ms. Allocated memory is still 223.3MB. Free memory was 197.6MB in the beginning and 195.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.93ms. Allocated memory is still 223.3MB. Free memory was 195.0MB in the beginning and 193.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 492.65ms. Allocated memory is still 223.3MB. Free memory was 193.4MB in the beginning and 172.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 847693.53ms. Allocated memory was 223.3MB in the beginning and 642.8MB in the end (delta: 419.4MB). Free memory was 171.4MB in the beginning and 451.8MB in the end (delta: -280.4MB). Peak memory consumption was 140.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3388, independent: 3231, independent conditional: 195, independent unconditional: 3036, dependent: 157, dependent conditional: 153, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3235, independent: 3231, independent conditional: 195, independent unconditional: 3036, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3235, independent: 3231, independent conditional: 195, independent unconditional: 3036, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3235, independent: 3231, independent conditional: 0, independent unconditional: 3231, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3235, independent: 3231, independent conditional: 0, independent unconditional: 3231, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3235, independent: 3231, independent conditional: 0, independent unconditional: 3231, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2688, independent: 2684, independent conditional: 0, independent unconditional: 2684, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2688, independent: 2683, independent conditional: 0, independent unconditional: 2683, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3235, independent: 547, independent conditional: 0, independent unconditional: 547, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2688, unknown conditional: 0, unknown unconditional: 2688] , Statistics on independence cache: Total cache size (in pairs): 2688, Positive cache size: 2684, Positive conditional cache size: 0, Positive unconditional cache size: 2684, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, 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: 153 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 171, Number of trivial persistent sets: 164, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3040, independent: 3036, independent conditional: 0, independent unconditional: 3036, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3388, independent: 3231, independent conditional: 195, independent unconditional: 3036, dependent: 157, dependent conditional: 153, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3235, independent: 3231, independent conditional: 195, independent unconditional: 3036, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3235, independent: 3231, independent conditional: 195, independent unconditional: 3036, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3235, independent: 3231, independent conditional: 0, independent unconditional: 3231, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3235, independent: 3231, independent conditional: 0, independent unconditional: 3231, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3235, independent: 3231, independent conditional: 0, independent unconditional: 3231, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2688, independent: 2684, independent conditional: 0, independent unconditional: 2684, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2688, independent: 2683, independent conditional: 0, independent unconditional: 2683, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3235, independent: 547, independent conditional: 0, independent unconditional: 547, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2688, unknown conditional: 0, unknown unconditional: 2688] , Statistics on independence cache: Total cache size (in pairs): 2688, Positive cache size: 2684, Positive conditional cache size: 0, Positive unconditional cache size: 2684, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, 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: 153 - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 508 known predicates. - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 508 known predicates. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 508 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 392 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 847.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 743.0s, 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: 466, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 100.3s InterpolantComputationTime, 3633 NumberOfCodeBlocks, 3633 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 5202 ConstructedInterpolants, 43 QuantifiedInterpolants, 68297 SizeOfPredicates, 222 NumberOfNonLiveVariables, 2961 ConjunctsInSsa, 432 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 84/12222 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 [2023-05-04 16:31:09,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-05-04 16:31:09,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0