/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 10:14:14,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 10:14:14,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 10:14:14,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 10:14:14,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 10:14:14,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 10:14:14,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 10:14:14,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 10:14:14,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 10:14:14,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 10:14:14,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 10:14:14,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 10:14:14,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 10:14:14,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 10:14:14,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 10:14:14,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 10:14:14,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 10:14:14,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 10:14:14,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 10:14:14,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 10:14:14,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 10:14:14,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 10:14:14,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 10:14:14,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 10:14:14,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 10:14:14,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 10:14:14,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 10:14:14,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 10:14:14,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 10:14:14,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 10:14:14,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 10:14:14,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 10:14:14,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 10:14:14,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 10:14:14,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 10:14:14,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 10:14:14,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 10:14:14,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 10:14:14,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 10:14:14,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 10:14:14,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 10:14:14,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 10:14:14,474 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 10:14:14,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 10:14:14,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 10:14:14,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 10:14:14,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 10:14:14,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 10:14:14,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 10:14:14,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 10:14:14,477 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 10:14:14,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 10:14:14,477 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 10:14:14,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 10:14:14,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 10:14:14,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 10:14:14,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 10:14:14,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 10:14:14,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 10:14:14,478 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 10:14:14,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 10:14:14,479 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 10:14:14,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 10:14:14,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 10:14:14,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 10:14:14,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 10:14:14,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 10:14:14,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:14:14,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 10:14:14,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 10:14:14,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 10:14:14,481 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 10:14:14,481 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 10:14:14,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 10:14:14,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 10:14:14,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 10:14:14,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 10:14:14,481 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 10:14:14,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 10:14:14,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 10:14:14,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 10:14:14,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 10:14:14,705 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 10:14:14,706 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 10:14:14,707 INFO L432 ainManager$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 10:14:14,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b18d0d96/0a8d6ca7606f411b858c8661f8858951/FLAGb344a1bff [2023-05-04 10:14:15,124 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 10:14:15,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2023-05-04 10:14:15,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b18d0d96/0a8d6ca7606f411b858c8661f8858951/FLAGb344a1bff [2023-05-04 10:14:15,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b18d0d96/0a8d6ca7606f411b858c8661f8858951 [2023-05-04 10:14:15,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 10:14:15,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 10:14:15,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 10:14:15,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 10:14:15,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 10:14:15,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a903f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15, skipping insertion in model container [2023-05-04 10:14:15,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 10:14:15,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 10:14:15,732 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 10:14:15,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:14:15,744 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 10:14:15,765 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 10:14:15,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:14:15,789 INFO L208 MainTranslator]: Completed translation [2023-05-04 10:14:15,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15 WrapperNode [2023-05-04 10:14:15,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 10:14:15,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 10:14:15,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 10:14:15,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 10:14:15,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,834 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 204 [2023-05-04 10:14:15,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 10:14:15,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 10:14:15,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 10:14:15,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 10:14:15,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 10:14:15,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 10:14:15,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 10:14:15,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 10:14:15,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (1/1) ... [2023-05-04 10:14:15,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:14:15,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:14:15,909 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 10:14:15,910 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 10:14:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 10:14:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 10:14:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 10:14:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 10:14:15,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 10:14:15,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 10:14:15,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 10:14:15,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 10:14:15,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 10:14:15,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 10:14:15,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 10:14:15,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 10:14:15,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 10:14:15,947 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 10:14:16,031 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 10:14:16,032 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 10:14:16,405 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 10:14:16,416 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 10:14:16,416 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 10:14:16,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:14:16 BoogieIcfgContainer [2023-05-04 10:14:16,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 10:14:16,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 10:14:16,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 10:14:16,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 10:14:16,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 10:14:15" (1/3) ... [2023-05-04 10:14:16,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519c5807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:14:16, skipping insertion in model container [2023-05-04 10:14:16,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:14:15" (2/3) ... [2023-05-04 10:14:16,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519c5807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:14:16, skipping insertion in model container [2023-05-04 10:14:16,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:14:16" (3/3) ... [2023-05-04 10:14:16,427 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2023-05-04 10:14:16,434 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 10:14:16,442 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 10:14:16,443 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 10:14:16,443 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 10:14:16,593 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 10:14:16,658 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:14:16,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 10:14:16,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:14:16,660 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 10:14:16,661 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 10:14:16,692 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 10:14:16,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 10:14:16,716 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;@16aca51c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:14:16,716 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 10:14:16,959 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 10:14:16,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:14:16,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1640934212, now seen corresponding path program 1 times [2023-05-04 10:14:16,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:14:16,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245212621] [2023-05-04 10:14:16,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:14:16,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:14:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:14:17,341 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 10:14:17,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:14:17,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245212621] [2023-05-04 10:14:17,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245212621] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:14:17,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:14:17,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 10:14:17,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409756515] [2023-05-04 10:14:17,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:14:17,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 10:14:17,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:14:17,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 10:14:17,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 10:14:17,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:17,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:14:17,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 90.0) internal successors, (180), 2 states have internal predecessors, (180), 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 10:14:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:17,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:17,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 10:14:17,466 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 10:14:17,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:14:17,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1916485882, now seen corresponding path program 1 times [2023-05-04 10:14:17,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:14:17,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475223518] [2023-05-04 10:14:17,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:14:17,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:14:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:14:18,745 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 10:14:18,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:14:18,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475223518] [2023-05-04 10:14:18,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475223518] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:14:18,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510499372] [2023-05-04 10:14:18,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:14:18,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:14:18,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:14:18,753 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 10:14:18,808 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 10:14:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:14:18,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 10:14:18,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:14:19,327 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 10:14:19,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 10:14:19,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510499372] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:14:19,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 10:14:19,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 23 [2023-05-04 10:14:19,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392007892] [2023-05-04 10:14:19,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:14:19,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 10:14:19,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:14:19,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 10:14:19,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2023-05-04 10:14:19,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:19,334 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:14:19,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 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 10:14:19,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:19,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:14:19,568 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 10:14:19,765 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 10:14:19,765 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 10:14:19,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:14:19,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1947854826, now seen corresponding path program 1 times [2023-05-04 10:14:19,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:14:19,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323812151] [2023-05-04 10:14:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:14:19,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:14:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:14:20,553 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 10:14:20,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:14:20,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323812151] [2023-05-04 10:14:20,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323812151] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:14:20,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163001578] [2023-05-04 10:14:20,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:14:20,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:14:20,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:14:20,557 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 10:14:20,574 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 10:14:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:14:20,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-04 10:14:20,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:14:22,292 INFO L356 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-05-04 10:14:22,293 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 10:14:22,403 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 10:14:22,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:14:23,404 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 10:14:23,404 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 10:14:24,839 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 10:14:24,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163001578] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:14:24,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:14:24,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21, 22] total 52 [2023-05-04 10:14:24,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732994294] [2023-05-04 10:14:24,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:14:24,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-04 10:14:24,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:14:24,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-04 10:14:24,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2462, Unknown=0, NotChecked=0, Total=2652 [2023-05-04 10:14:24,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:24,843 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:14:24,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 9.807692307692308) internal successors, (510), 52 states have internal predecessors, (510), 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 10:14:24,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:24,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:14:24,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:27,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:27,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:14:27,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:14:27,512 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 10:14:27,687 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 10:14:27,688 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 10:14:27,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:14:27,689 INFO L85 PathProgramCache]: Analyzing trace with hash 223335429, now seen corresponding path program 1 times [2023-05-04 10:14:27,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:14:27,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915350982] [2023-05-04 10:14:27,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:14:27,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:14:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:14:34,369 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:14:34,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:14:34,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915350982] [2023-05-04 10:14:34,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915350982] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:14:34,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230862338] [2023-05-04 10:14:34,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:14:34,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:14:34,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:14:34,373 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 10:14:34,392 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 10:14:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:14:34,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 66 conjunts are in the unsatisfiable core [2023-05-04 10:14:34,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:14:37,582 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:14:37,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:14:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:14:41,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230862338] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:14:41,745 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:14:41,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 35, 35] total 102 [2023-05-04 10:14:41,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54502721] [2023-05-04 10:14:41,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:14:41,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2023-05-04 10:14:41,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:14:41,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2023-05-04 10:14:41,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=728, Invalid=9573, Unknown=1, NotChecked=0, Total=10302 [2023-05-04 10:14:41,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:41,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:14:41,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 6.862745098039215) internal successors, (700), 102 states have internal predecessors, (700), 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 10:14:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:14:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:14:41,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:14:41,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:15:30,657 WARN L233 SmtUtils]: Spent 10.65s on a formula simplification. DAG size of input: 63 DAG size of output: 39 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:16:27,990 WARN L233 SmtUtils]: Spent 11.75s on a formula simplification. DAG size of input: 69 DAG size of output: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:17:37,165 WARN L233 SmtUtils]: Spent 29.06s on a formula simplification. DAG size of input: 73 DAG size of output: 41 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:17:38,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:17:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:17:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:17:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:17:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-04 10:17:44,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 10:17:44,866 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 10:17:44,867 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 10:17:44,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:17:44,868 INFO L85 PathProgramCache]: Analyzing trace with hash -167050488, now seen corresponding path program 1 times [2023-05-04 10:17:44,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:17:44,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755825364] [2023-05-04 10:17:44,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:17:44,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:17:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:17:55,365 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 10:17:55,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:17:55,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755825364] [2023-05-04 10:17:55,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755825364] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:17:55,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125127129] [2023-05-04 10:17:55,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:17:55,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:17:55,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:17:55,369 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 10:17:55,371 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 10:17:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:17:55,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 108 conjunts are in the unsatisfiable core [2023-05-04 10:17:55,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:18:01,461 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 10:18:01,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:18:21,407 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 10:18:21,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125127129] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:18:21,408 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:18:21,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 55, 57] total 123 [2023-05-04 10:18:21,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478262643] [2023-05-04 10:18:21,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:18:21,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2023-05-04 10:18:21,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:18:21,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2023-05-04 10:18:21,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1396, Invalid=13608, Unknown=2, NotChecked=0, Total=15006 [2023-05-04 10:18:21,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:18:21,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:18:21,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 6.658536585365853) internal successors, (819), 123 states have internal predecessors, (819), 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 10:18:21,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:18:21,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:18:21,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:18:21,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-04 10:18:21,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:19:36,529 WARN L233 SmtUtils]: Spent 7.39s on a formula simplification. DAG size of input: 96 DAG size of output: 92 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:20:07,071 WARN L233 SmtUtils]: Spent 7.73s on a formula simplification. DAG size of input: 91 DAG size of output: 87 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:20:09,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:20:15,000 WARN L539 Checker$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 10:20:40,563 WARN L233 SmtUtils]: Spent 9.23s on a formula simplification. DAG size of input: 96 DAG size of output: 92 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:21:16,620 WARN L233 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 91 DAG size of output: 87 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:21:19,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:21:46,832 WARN L233 SmtUtils]: Spent 8.33s on a formula simplification. DAG size of input: 96 DAG size of output: 92 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:22:24,785 WARN L233 SmtUtils]: Spent 10.79s on a formula simplification. DAG size of input: 91 DAG size of output: 87 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:22:26,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:27,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:29,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:22:55,674 WARN L233 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 96 DAG size of output: 92 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:23:28,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:23:29,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:23:52,790 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 93 DAG size of output: 90 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:24:07,270 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse36 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296)) (.cse32 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296)) (.cse24 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 1) 4294967296)) (.cse10 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 3) 4294967296)) (.cse7 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 5) 4294967296)) (.cse21 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296)) (.cse17 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 9) 4294967296)) (.cse16 (mod (+ 7 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296)) (.cse13 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 2) 4294967296)) (.cse4 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296)) (.cse3 (mod (+ 4294967292 c_~n~0) 4294967296))) (let ((.cse0 (< .cse4 .cse3)) (.cse11 (< .cse13 .cse3)) (.cse15 (< .cse16 .cse3)) (.cse6 (< .cse17 .cse3)) (.cse20 (< .cse21 .cse3)) (.cse8 (< .cse7 .cse3)) (.cse9 (< .cse10 .cse3)) (.cse25 (< .cse24 .cse3)) (.cse30 (< .cse32 .cse3)) (.cse33 (< .cse36 .cse3)) (.cse2 (mod (+ c_~n~0 4294967293) 4294967296))) (and (let ((.cse1 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 25) 4294967296))) (or (not .cse0) (not (< .cse1 .cse2)) (< .cse1 .cse3))) (or .cse0 (not (< .cse4 .cse2))) (let ((.cse5 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 24) 4294967296))) (or (< .cse5 .cse3) (not .cse6) (not (< .cse5 .cse2)))) (or (not (< .cse7 .cse2)) .cse8) (or .cse9 (not (< .cse10 .cse2))) (let ((.cse12 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 17) 4294967296))) (or (not .cse11) (not (< .cse12 .cse2)) (< .cse12 .cse3))) (or .cse11 (not (< .cse13 .cse2))) (let ((.cse14 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 22) 4294967296))) (or (not (< .cse14 .cse2)) (not .cse15) (< .cse14 .cse3))) (or .cse15 (not (< .cse16 .cse2))) (or .cse6 (not (< .cse17 .cse2))) (let ((.cse18 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 14) 4294967296))) (or (< .cse18 .cse3) (not (< .cse18 .cse2)))) (let ((.cse19 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 21) 4294967296))) (or (not (< .cse19 .cse2)) (not .cse20) (< .cse19 .cse3))) (or .cse20 (not (< .cse21 .cse2))) (let ((.cse22 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 20) 4294967296))) (or (not (< .cse22 .cse2)) (< .cse22 .cse3) (not .cse8))) (let ((.cse23 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 13) 4294967296))) (or (not (< .cse23 .cse2)) (< .cse23 .cse3))) (or (not (< .cse24 .cse2)) .cse25) (not (< (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296) .cse2)) (let ((.cse26 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 18) 4294967296))) (or (< .cse26 .cse3) (not (< .cse26 .cse2)) (not .cse9))) (let ((.cse27 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 15) 4294967296))) (or (not (< .cse27 .cse2)) (< .cse27 .cse3))) (let ((.cse28 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 16) 4294967296))) (or (< .cse28 .cse3) (not (< .cse28 .cse2)) (not .cse25))) (let ((.cse29 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 11) 4294967296))) (or (< .cse29 .cse3) (not (< .cse29 .cse2)))) (= |c_thread1Thread1of1ForFork1_~i~0#1| 0) (let ((.cse31 (mod (+ 23 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (not .cse30) (< .cse31 .cse3) (not (< .cse31 .cse2)))) (or (not (< .cse32 .cse2)) .cse30) (let ((.cse34 (mod (+ 19 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (not .cse33) (not (< .cse34 .cse2)) (< .cse34 .cse3))) (let ((.cse35 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296))) (or (< .cse35 .cse3) (not (< .cse35 .cse2)))) (<= c_~n~0 (+ (* 8589934592 (div c_~n~0 4294967296)) (* (div (- c_~n~0) 4294967296) 4294967296))) (or .cse33 (not (< .cse36 .cse2)))))) is different from false [2023-05-04 10:26:46,041 WARN L233 SmtUtils]: Spent 15.19s on a formula simplification. DAG size of input: 61 DAG size of output: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:26:50,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:27:23,986 WARN L233 SmtUtils]: Spent 8.71s on a formula simplification. DAG size of input: 65 DAG size of output: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 10:27:30,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 10:27:31,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:27:31,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:27:31,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:27:31,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-04 10:27:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-04 10:27:31,940 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 10:27:32,137 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 10:27:32,137 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 10:27:32,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:27:32,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1029108155, now seen corresponding path program 2 times [2023-05-04 10:27:32,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:27:32,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854590145] [2023-05-04 10:27:32,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:27:32,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:27:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:27:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 0 proven. 1288 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:27:42,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:27:42,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854590145] [2023-05-04 10:27:42,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854590145] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:27:42,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613338399] [2023-05-04 10:27:42,315 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 10:27:42,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:27:42,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:27:42,316 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 10:27:42,317 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 10:27:42,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-04 10:27:42,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:27:42,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 10:27:42,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:27:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2023-05-04 10:27:43,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 10:27:43,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613338399] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:27:43,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 10:27:43,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [77] total 81 [2023-05-04 10:27:43,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056068291] [2023-05-04 10:27:43,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:27:43,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 10:27:43,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:27:43,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 10:27:43,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=6305, Unknown=0, NotChecked=0, Total=6480 [2023-05-04 10:27:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:27:43,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:27:43,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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 10:27:43,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:27:43,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:27:43,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 10:27:43,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-04 10:27:43,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2023-05-04 10:27:43,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:27:44,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:27:44,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:27:44,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 10:27:44,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-04 10:27:44,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-04 10:27:44,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 10:27:44,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-04 10:27:44,529 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 10:27:44,529 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:27:44,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:27:44,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1676041671, now seen corresponding path program 1 times [2023-05-04 10:27:44,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:27:44,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125228148] [2023-05-04 10:27:44,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:27:44,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:27:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:27:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 0 proven. 1288 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:27:54,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:27:54,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125228148] [2023-05-04 10:27:54,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125228148] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:27:54,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085008418] [2023-05-04 10:27:54,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:27:54,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:27:54,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:27:54,570 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:27:54,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 10:27:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:27:55,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 150 conjunts are in the unsatisfiable core [2023-05-04 10:27:55,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:28:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 0 proven. 1288 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 10:28:04,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-05-04 10:28:24,211 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 10:28:24,227 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 10:28:24,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 10:28:24,239 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 10:28:24,239 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 10:28:24,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:28:24,428 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 560 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 166 known predicates. [2023-05-04 10:28:24,429 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 10:28:24,429 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 10:28:24,437 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2023-05-04 10:28:24,439 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 10:28:24,439 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 10:28:24,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 10:28:24 BasicIcfg [2023-05-04 10:28:24,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 10:28:24,441 INFO L158 Benchmark]: Toolchain (without parser) took 848905.34ms. Allocated memory was 183.5MB in the beginning and 619.7MB in the end (delta: 436.2MB). Free memory was 156.7MB in the beginning and 479.7MB in the end (delta: -323.0MB). Peak memory consumption was 113.6MB. Max. memory is 8.0GB. [2023-05-04 10:28:24,442 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 10:28:24,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.20ms. Allocated memory was 183.5MB in the beginning and 278.9MB in the end (delta: 95.4MB). Free memory was 156.3MB in the beginning and 246.9MB in the end (delta: -90.6MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2023-05-04 10:28:24,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.53ms. Allocated memory is still 278.9MB. Free memory was 246.9MB in the beginning and 244.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 10:28:24,442 INFO L158 Benchmark]: Boogie Preprocessor took 44.64ms. Allocated memory is still 278.9MB. Free memory was 244.4MB in the beginning and 242.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 10:28:24,443 INFO L158 Benchmark]: RCFGBuilder took 535.21ms. Allocated memory is still 278.9MB. Free memory was 242.7MB in the beginning and 222.4MB in the end (delta: 20.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-05-04 10:28:24,444 INFO L158 Benchmark]: TraceAbstraction took 848019.86ms. Allocated memory was 278.9MB in the beginning and 619.7MB in the end (delta: 340.8MB). Free memory was 221.1MB in the beginning and 479.7MB in the end (delta: -258.6MB). Peak memory consumption was 83.8MB. Max. memory is 8.0GB. [2023-05-04 10:28:24,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 253.20ms. Allocated memory was 183.5MB in the beginning and 278.9MB in the end (delta: 95.4MB). Free memory was 156.3MB in the beginning and 246.9MB in the end (delta: -90.6MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.53ms. Allocated memory is still 278.9MB. Free memory was 246.9MB in the beginning and 244.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.64ms. Allocated memory is still 278.9MB. Free memory was 244.4MB in the beginning and 242.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 535.21ms. Allocated memory is still 278.9MB. Free memory was 242.7MB in the beginning and 222.4MB in the end (delta: 20.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 848019.86ms. Allocated memory was 278.9MB in the beginning and 619.7MB in the end (delta: 340.8MB). Free memory was 221.1MB in the beginning and 479.7MB in the end (delta: -258.6MB). Peak memory consumption was 83.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4945, independent: 3470, independent conditional: 247, independent unconditional: 3223, dependent: 1475, dependent conditional: 1469, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3476, independent: 3470, independent conditional: 247, independent unconditional: 3223, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3476, independent: 3470, independent conditional: 247, independent unconditional: 3223, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3476, independent: 3470, independent conditional: 0, independent unconditional: 3470, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3476, independent: 3470, independent conditional: 0, independent unconditional: 3470, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3476, independent: 3470, independent conditional: 0, independent unconditional: 3470, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2949, independent: 2943, independent conditional: 0, independent unconditional: 2943, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2949, independent: 2942, independent conditional: 0, independent unconditional: 2942, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3476, independent: 527, independent conditional: 0, independent unconditional: 527, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2949, unknown conditional: 0, unknown unconditional: 2949] , Statistics on independence cache: Total cache size (in pairs): 2949, Positive cache size: 2943, Positive conditional cache size: 0, Positive unconditional cache size: 2943, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1469 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 345, Number of trivial persistent sets: 328, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3229, independent: 3223, independent conditional: 0, independent unconditional: 3223, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4945, independent: 3470, independent conditional: 247, independent unconditional: 3223, dependent: 1475, dependent conditional: 1469, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3476, independent: 3470, independent conditional: 247, independent unconditional: 3223, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3476, independent: 3470, independent conditional: 247, independent unconditional: 3223, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3476, independent: 3470, independent conditional: 0, independent unconditional: 3470, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3476, independent: 3470, independent conditional: 0, independent unconditional: 3470, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3476, independent: 3470, independent conditional: 0, independent unconditional: 3470, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2949, independent: 2943, independent conditional: 0, independent unconditional: 2943, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2949, independent: 2942, independent conditional: 0, independent unconditional: 2942, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3476, independent: 527, independent conditional: 0, independent unconditional: 527, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2949, unknown conditional: 0, unknown unconditional: 2949] , Statistics on independence cache: Total cache size (in pairs): 2949, Positive cache size: 2943, Positive conditional cache size: 0, Positive unconditional cache size: 2943, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1469 - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 560 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 166 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 PartialOrderCegarLoop was analyzing trace of length 560 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 166 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 PartialOrderCegarLoop was analyzing trace of length 560 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 166 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: 847.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 737.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 285, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 67.5s InterpolantComputationTime, 3484 NumberOfCodeBlocks, 3037 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4396 ConstructedInterpolants, 74 QuantifiedInterpolants, 69461 SizeOfPredicates, 125 NumberOfNonLiveVariables, 2158 ConjunctsInSsa, 232 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 1363/5060 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