/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 ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 06:46:49,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 06:46:49,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 06:46:49,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 06:46:49,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 06:46:49,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 06:46:49,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 06:46:49,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 06:46:49,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 06:46:49,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 06:46:49,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 06:46:49,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 06:46:49,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 06:46:49,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 06:46:49,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 06:46:49,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 06:46:49,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 06:46:49,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 06:46:49,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 06:46:49,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 06:46:49,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 06:46:49,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 06:46:49,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 06:46:49,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 06:46:49,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 06:46:49,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 06:46:49,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 06:46:49,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 06:46:49,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 06:46:49,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 06:46:49,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 06:46:49,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 06:46:49,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 06:46:49,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 06:46:49,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 06:46:49,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 06:46:49,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 06:46:49,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 06:46:49,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 06:46:49,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 06:46:49,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 06:46:49,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 06:46:49,892 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 06:46:49,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 06:46:49,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 06:46:49,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 06:46:49,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 06:46:49,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 06:46:49,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 06:46:49,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 06:46:49,893 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 06:46:49,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 06:46:49,893 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 06:46:49,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 06:46:49,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 06:46:49,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 06:46:49,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 06:46:49,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 06:46:49,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 06:46:49,894 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 06:46:49,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 06:46:49,894 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 06:46:49,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 06:46:49,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 06:46:49,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 06:46:49,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 06:46:49,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 06:46:49,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:46:49,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 06:46:49,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 06:46:49,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 06:46:49,895 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 06:46:49,895 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 06:46:49,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 06:46:49,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 06:46:49,895 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 06:46:49,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 06:46:49,896 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 06:46:49,896 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 06:46:50,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 06:46:50,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 06:46:50,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 06:46:50,089 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 06:46:50,090 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 06:46:50,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2023-05-04 06:46:50,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccc5a7022/3d09a18db7d44fa5ac033f370fc89aeb/FLAGd9808ddea [2023-05-04 06:46:50,490 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 06:46:50,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2023-05-04 06:46:50,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccc5a7022/3d09a18db7d44fa5ac033f370fc89aeb/FLAGd9808ddea [2023-05-04 06:46:50,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccc5a7022/3d09a18db7d44fa5ac033f370fc89aeb [2023-05-04 06:46:50,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 06:46:50,506 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 06:46:50,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 06:46:50,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 06:46:50,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 06:46:50,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c820b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50, skipping insertion in model container [2023-05-04 06:46:50,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 06:46:50,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 06:46:50,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2023-05-04 06:46:50,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:46:50,713 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 06:46:50,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c[3615,3628] [2023-05-04 06:46:50,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:46:50,742 INFO L208 MainTranslator]: Completed translation [2023-05-04 06:46:50,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50 WrapperNode [2023-05-04 06:46:50,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 06:46:50,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 06:46:50,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 06:46:50,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 06:46:50,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,780 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 257 [2023-05-04 06:46:50,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 06:46:50,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 06:46:50,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 06:46:50,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 06:46:50,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,800 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 06:46:50,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 06:46:50,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 06:46:50,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 06:46:50,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (1/1) ... [2023-05-04 06:46:50,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:46:50,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:50,859 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 06:46:50,861 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 06:46:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 06:46:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 06:46:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 06:46:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 06:46:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 06:46:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 06:46:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 06:46:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 06:46:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 06:46:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 06:46:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 06:46:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 06:46:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 06:46:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 06:46:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 06:46:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 06:46:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 06:46:50,925 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 06:46:51,051 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 06:46:51,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 06:46:51,416 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 06:46:51,517 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 06:46:51,518 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-04 06:46:51,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:46:51 BoogieIcfgContainer [2023-05-04 06:46:51,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 06:46:51,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 06:46:51,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 06:46:51,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 06:46:51,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:46:50" (1/3) ... [2023-05-04 06:46:51,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b1a9e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:46:51, skipping insertion in model container [2023-05-04 06:46:51,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:46:50" (2/3) ... [2023-05-04 06:46:51,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b1a9e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:46:51, skipping insertion in model container [2023-05-04 06:46:51,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:46:51" (3/3) ... [2023-05-04 06:46:51,527 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2023-05-04 06:46:51,533 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 06:46:51,539 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 06:46:51,539 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 06:46:51,539 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 06:46:51,611 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 06:46:51,652 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:46:51,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 06:46:51,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:51,681 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 06:46:51,711 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 06:46:51,717 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 06:46:51,735 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 06:46:51,741 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;@26b92d47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:46:51,742 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 06:46:52,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:46:52,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:52,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1716192307, now seen corresponding path program 1 times [2023-05-04 06:46:52,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:52,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053625839] [2023-05-04 06:46:52,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:52,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 06:46:52,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:52,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053625839] [2023-05-04 06:46:52,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053625839] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:46:52,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:46:52,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 06:46:52,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985852372] [2023-05-04 06:46:52,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:46:52,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 06:46:52,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:52,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 06:46:52,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 06:46:52,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:52,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:52,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 82.5) internal successors, (165), 2 states have internal predecessors, (165), 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 06:46:52,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:52,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:52,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 06:46:52,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:46:52,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:52,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1649094189, now seen corresponding path program 1 times [2023-05-04 06:46:52,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:52,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826380366] [2023-05-04 06:46:52,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:52,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 06:46:52,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:52,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826380366] [2023-05-04 06:46:52,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826380366] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:46:52,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:46:52,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 06:46:52,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339519534] [2023-05-04 06:46:52,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:46:52,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 06:46:52,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:52,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 06:46:52,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 06:46:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:52,873 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:52,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 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 06:46:52,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:52,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:53,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:53,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:46:53,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 06:46:53,033 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:46:53,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:53,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1473429174, now seen corresponding path program 1 times [2023-05-04 06:46:53,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:53,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414385266] [2023-05-04 06:46:53,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:53,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 06:46:53,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:53,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414385266] [2023-05-04 06:46:53,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414385266] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:46:53,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:46:53,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 06:46:53,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151038718] [2023-05-04 06:46:53,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:46:53,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 06:46:53,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:53,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 06:46:53,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 06:46:53,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:53,313 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:53,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.0) internal successors, (186), 6 states have internal predecessors, (186), 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 06:46:53,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:53,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:46:53,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:53,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:53,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:46:53,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:46:53,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 06:46:53,396 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:46:53,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:53,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2015068261, now seen corresponding path program 1 times [2023-05-04 06:46:53,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:53,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166139922] [2023-05-04 06:46:53,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:53,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:53,731 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 06:46:53,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:53,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166139922] [2023-05-04 06:46:53,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166139922] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:46:53,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505561081] [2023-05-04 06:46:53,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:53,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:46:53,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:53,764 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 06:46:53,801 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 06:46:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:53,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 06:46:53,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:46:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:46:54,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:46:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:46:54,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505561081] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:46:54,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:46:54,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-04 06:46:54,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267207115] [2023-05-04 06:46:54,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:46:54,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 06:46:54,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:54,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 06:46:54,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-04 06:46:54,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:54,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:54,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.263157894736842) internal successors, (290), 19 states have internal predecessors, (290), 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 06:46:54,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:54,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:46:54,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:46:54,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:46:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:46:54,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:46:54,781 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 06:46:54,966 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,SelfDestructingSolverStorable3 [2023-05-04 06:46:54,966 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:46:54,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:54,967 INFO L85 PathProgramCache]: Analyzing trace with hash 932375854, now seen corresponding path program 2 times [2023-05-04 06:46:54,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:54,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203532799] [2023-05-04 06:46:54,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:54,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:46:55,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:55,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203532799] [2023-05-04 06:46:55,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203532799] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:46:55,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063136416] [2023-05-04 06:46:55,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:46:55,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:46:55,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:55,406 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 06:46:55,433 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 06:46:55,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:46:55,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:46:55,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 06:46:55,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:46:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:46:55,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:46:56,239 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:46:56,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063136416] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:46:56,239 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:46:56,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-04 06:46:56,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146099368] [2023-05-04 06:46:56,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:46:56,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-04 06:46:56,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:46:56,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-04 06:46:56,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-04 06:46:56,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:56,241 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:46:56,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.0) internal successors, (336), 28 states have internal predecessors, (336), 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 06:46:56,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:56,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:46:56,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:46:56,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:46:56,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:56,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:46:56,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:46:56,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:46:56,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:46:56,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:46:56,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-04 06:46:56,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:46:56,833 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:46:56,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:46:56,834 INFO L85 PathProgramCache]: Analyzing trace with hash 49691717, now seen corresponding path program 3 times [2023-05-04 06:46:56,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:46:56,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581644078] [2023-05-04 06:46:56,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:46:56,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:46:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:46:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:46:58,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:46:58,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581644078] [2023-05-04 06:46:58,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581644078] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:46:58,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821608959] [2023-05-04 06:46:58,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:46:58,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:46:58,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:46:58,594 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 06:46:58,656 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 06:46:58,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 06:46:58,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:46:58,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-04 06:46:58,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:46:59,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:46:59,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 06:46:59,654 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 06:46:59,655 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 23 treesize of output 10 [2023-05-04 06:46:59,690 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 06:46:59,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:46:59,939 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:46:59,939 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 45 treesize of output 41 [2023-05-04 06:46:59,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2023-05-04 06:47:00,563 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 06:47:00,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821608959] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:47:00,563 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:47:00,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 12, 12] total 45 [2023-05-04 06:47:00,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743550101] [2023-05-04 06:47:00,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:47:00,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-05-04 06:47:00,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:47:00,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-05-04 06:47:00,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1851, Unknown=8, NotChecked=0, Total=1980 [2023-05-04 06:47:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:00,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:47:00,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 10.155555555555555) internal successors, (457), 45 states have internal predecessors, (457), 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 06:47:00,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:00,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:00,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:00,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:00,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:00,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:47:03,567 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 06:47:03,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:47:03,751 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:47:03,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:47:03,752 INFO L85 PathProgramCache]: Analyzing trace with hash 727474427, now seen corresponding path program 1 times [2023-05-04 06:47:03,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:47:03,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101752945] [2023-05-04 06:47:03,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:47:03,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:47:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:47:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-04 06:47:04,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:47:04,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101752945] [2023-05-04 06:47:04,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101752945] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:47:04,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697422865] [2023-05-04 06:47:04,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:47:04,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:47:04,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:47:04,030 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 06:47:04,037 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 06:47:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:47:04,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 06:47:04,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:47:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-04 06:47:04,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:47:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-04 06:47:04,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697422865] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:47:04,420 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:47:04,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-04 06:47:04,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941182160] [2023-05-04 06:47:04,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:47:04,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 06:47:04,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:47:04,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 06:47:04,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-04 06:47:04,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:04,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:47:04,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.789473684210526) internal successors, (262), 19 states have internal predecessors, (262), 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 06:47:04,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:04,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:04,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:04,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:04,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:04,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:47:04,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:47:04,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:04,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-04 06:47:04,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:47:04,827 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:47:04,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:47:04,828 INFO L85 PathProgramCache]: Analyzing trace with hash 958070586, now seen corresponding path program 2 times [2023-05-04 06:47:04,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:47:04,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260246077] [2023-05-04 06:47:04,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:47:04,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:47:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:47:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-04 06:47:07,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:47:07,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260246077] [2023-05-04 06:47:07,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260246077] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:47:07,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092674269] [2023-05-04 06:47:07,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:47:07,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:47:07,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:47:07,110 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 06:47:07,125 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 06:47:07,257 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:47:07,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:47:07,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 39 conjunts are in the unsatisfiable core [2023-05-04 06:47:07,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:47:08,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:47:08,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2023-05-04 06:47:08,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2023-05-04 06:47:08,404 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-04 06:47:08,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:47:08,784 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:47:08,785 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 74 treesize of output 62 [2023-05-04 06:47:08,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-05-04 06:47:10,330 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-04 06:47:10,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092674269] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:47:10,330 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:47:10,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 22, 22] total 66 [2023-05-04 06:47:10,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949412070] [2023-05-04 06:47:10,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:47:10,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-05-04 06:47:10,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:47:10,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-05-04 06:47:10,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=3959, Unknown=9, NotChecked=0, Total=4290 [2023-05-04 06:47:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:10,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:47:10,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 7.712121212121212) internal successors, (509), 66 states have internal predecessors, (509), 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 06:47:10,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:10,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:10,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:10,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:10,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:10,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:47:10,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:10,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:47:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:14,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:47:14,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 06:47:14,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:47:14,739 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:47:14,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:47:14,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1905603850, now seen corresponding path program 1 times [2023-05-04 06:47:14,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:47:14,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144578430] [2023-05-04 06:47:14,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:47:14,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:47:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:47:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 59 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 06:47:16,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:47:16,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144578430] [2023-05-04 06:47:16,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144578430] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:47:16,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190228932] [2023-05-04 06:47:16,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:47:16,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:47:16,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:47:16,969 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 06:47:17,009 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 06:47:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:47:17,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-04 06:47:17,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:47:17,933 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2023-05-04 06:47:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 4 proven. 56 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-04 06:47:17,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:47:18,165 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 06:47:18,165 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 25 treesize of output 16 [2023-05-04 06:47:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 7 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 06:47:19,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190228932] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:47:19,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:47:19,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 19, 20] total 60 [2023-05-04 06:47:19,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160992629] [2023-05-04 06:47:19,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:47:19,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2023-05-04 06:47:19,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:47:19,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2023-05-04 06:47:19,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=742, Invalid=2798, Unknown=0, NotChecked=0, Total=3540 [2023-05-04 06:47:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:19,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:47:19,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 8.9) internal successors, (534), 60 states have internal predecessors, (534), 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 06:47:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:19,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:19,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:19,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:19,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:19,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:47:19,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:19,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:47:19,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:47:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 06:47:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:47:20,967 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 06:47:21,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:47:21,149 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:47:21,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:47:21,149 INFO L85 PathProgramCache]: Analyzing trace with hash 715882172, now seen corresponding path program 2 times [2023-05-04 06:47:21,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:47:21,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259416085] [2023-05-04 06:47:21,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:47:21,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:47:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:47:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-05-04 06:47:21,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:47:21,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259416085] [2023-05-04 06:47:21,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259416085] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:47:21,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652616986] [2023-05-04 06:47:21,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:47:21,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:47:21,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:47:21,395 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:47:21,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 06:47:21,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:47:21,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:47:21,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 06:47:21,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:47:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-05-04 06:47:21,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:47:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-05-04 06:47:22,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652616986] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:47:22,126 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:47:22,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 7] total 9 [2023-05-04 06:47:22,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595526878] [2023-05-04 06:47:22,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:47:22,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-04 06:47:22,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:47:22,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-04 06:47:22,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-05-04 06:47:22,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:22,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:47:22,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.44444444444444) internal successors, (328), 9 states have internal predecessors, (328), 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 06:47:22,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:22,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:22,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:22,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:22,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:22,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:47:22,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:22,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 06:47:22,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:47:22,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:22,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:22,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:22,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:22,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:22,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:22,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:47:22,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:22,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 06:47:22,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:47:22,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:47:22,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 06:47:22,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-04 06:47:22,538 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:47:22,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:47:22,538 INFO L85 PathProgramCache]: Analyzing trace with hash 640015372, now seen corresponding path program 3 times [2023-05-04 06:47:22,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:47:22,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386145382] [2023-05-04 06:47:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:47:22,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:47:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:47:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 52 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-05-04 06:47:23,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:47:23,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386145382] [2023-05-04 06:47:23,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386145382] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:47:23,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728209673] [2023-05-04 06:47:23,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:47:23,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:47:23,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:47:23,660 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:47:23,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 06:47:23,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 06:47:23,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:47:23,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 35 conjunts are in the unsatisfiable core [2023-05-04 06:47:23,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:47:24,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:47:24,650 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2023-05-04 06:47:24,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 45 [2023-05-04 06:47:24,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2023-05-04 06:47:24,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2023-05-04 06:47:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-05-04 06:47:24,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:47:24,916 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_481 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_481) c_~q2~0.base) (+ c_~q2~0.offset (* c_~q2_front~0 4) 4)))) (or (<= (+ .cse0 1) 0) (<= 1 .cse0)))) is different from false [2023-05-04 06:47:25,159 INFO L356 Elim1Store]: treesize reduction 19, result has 81.9 percent of original size [2023-05-04 06:47:25,160 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 99 treesize of output 142 [2023-05-04 06:47:25,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2023-05-04 06:47:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 99 trivial. 2 not checked. [2023-05-04 06:47:26,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728209673] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:47:26,189 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:47:26,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 18, 18] total 55 [2023-05-04 06:47:26,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163017117] [2023-05-04 06:47:26,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:47:26,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-04 06:47:26,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:47:26,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-04 06:47:26,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=2712, Unknown=1, NotChecked=104, Total=2970 [2023-05-04 06:47:26,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:26,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:47:26,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 9.50909090909091) internal successors, (523), 55 states have internal predecessors, (523), 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 06:47:26,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:26,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:26,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:26,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:26,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:26,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:47:26,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:26,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 06:47:26,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:47:26,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:47:26,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:47:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:47:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:47:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:47:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:47:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 06:47:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 06:47:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:47:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 06:47:28,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 06:47:28,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 06:47:28,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:47:28,764 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:47:28,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:47:28,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1928272466, now seen corresponding path program 4 times [2023-05-04 06:47:28,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:47:28,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001261227] [2023-05-04 06:47:28,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:47:28,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:47:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:47:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:47:48,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:47:48,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001261227] [2023-05-04 06:47:48,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001261227] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:47:48,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311019019] [2023-05-04 06:47:48,296 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:47:48,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:47:48,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:47:48,297 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:47:48,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 06:47:48,517 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:47:48,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:47:48,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 121 conjunts are in the unsatisfiable core [2023-05-04 06:47:48,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:47:52,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:47:52,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2023-05-04 06:47:54,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:47:54,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:47:54,114 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 06:47:54,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 67 [2023-05-04 06:47:55,693 INFO L356 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2023-05-04 06:47:55,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 87 treesize of output 19 [2023-05-04 06:47:56,926 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-05-04 06:47:56,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:48:03,275 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse19 (* c_~q1_front~0 4))) (let ((.cse1 (+ (* c_~q1_back~0 4) c_~q1~0.offset)) (.cse5 (+ .cse19 c_~q1~0.offset 4)) (.cse7 (* c_~q2_back~0 4)) (.cse8 (+ .cse19 c_~q1~0.offset))) (let ((.cse9 (forall ((~q2~0.offset Int) (v_ArrVal_550 (Array Int Int))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse17 (select .cse18 c_~q2~0.base)) (.cse16 (select .cse18 c_~q1~0.base))) (or (not (= (select .cse16 .cse1) 1)) (not (= (select .cse16 .cse5) (select .cse17 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse17 (+ ~q2~0.offset .cse7)) (select .cse16 .cse8)))))))) (.cse10 (* c_~C~0 2)) (.cse11 (mod (+ c_~C~0 c_~x~0) 4294967296)) (.cse3 (* c_~q2_front~0 4))) (and (forall ((v_ArrVal_550 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse0 (select .cse4 c_~q1~0.base))) (or (not (= (select .cse0 .cse1) 1)) (forall ((~q2~0.offset Int)) (let ((.cse6 (select .cse4 c_~q2~0.base))) (or (forall ((v_ArrVal_551 (Array Int Int))) (< (let ((.cse2 (select (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_551) c_~q2~0.base))) (+ (select .cse2 (+ ~q2~0.offset .cse3 4)) (select .cse2 (+ ~q2~0.offset .cse3)))) (+ |c_thread1Thread1of1ForFork0_#t~post1#1| 3))) (not (= (select .cse0 .cse5) (select .cse6 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse6 (+ ~q2~0.offset .cse7)) (select .cse0 .cse8)))))))))) (or .cse9 (= (mod (+ c_~y~0 .cse10) 4294967296) .cse11)) (or .cse9 (= (mod (+ .cse10 c_~z~0) 4294967296) .cse11)) (forall ((v_ArrVal_550 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse12 (select .cse14 c_~q1~0.base))) (or (not (= (select .cse12 .cse1) 1)) (forall ((~q2~0.offset Int)) (let ((.cse15 (select .cse14 c_~q2~0.base))) (or (forall ((v_ArrVal_551 (Array Int Int))) (< (+ |c_thread1Thread1of1ForFork0_#t~post1#1| 1) (let ((.cse13 (select (store .cse14 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_551) c_~q2~0.base))) (+ (select .cse13 (+ ~q2~0.offset .cse3 4)) (select .cse13 (+ ~q2~0.offset .cse3)))))) (not (= (select .cse12 .cse5) (select .cse15 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse15 (+ ~q2~0.offset .cse7)) (select .cse12 .cse8)))))))))))))) is different from false [2023-05-04 06:48:03,327 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse19 (* c_~q1_front~0 4))) (let ((.cse4 (+ (* c_~q1_back~0 4) c_~q1~0.offset)) (.cse5 (+ .cse19 c_~q1~0.offset 4)) (.cse7 (* c_~q2_back~0 4)) (.cse11 (+ .cse19 c_~q1~0.offset))) (let ((.cse0 (forall ((~q2~0.offset Int) (v_ArrVal_550 (Array Int Int))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse17 (select .cse18 c_~q2~0.base)) (.cse16 (select .cse18 c_~q1~0.base))) (or (not (= (select .cse16 .cse4) 1)) (not (= (select .cse16 .cse5) (select .cse17 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse17 (+ ~q2~0.offset .cse7)) (select .cse16 .cse11)))))))) (.cse1 (* c_~C~0 2)) (.cse2 (mod (+ c_~C~0 c_~x~0) 4294967296)) (.cse9 (* c_~q2_front~0 4))) (and (or .cse0 (= (mod (+ c_~y~0 .cse1) 4294967296) .cse2)) (or .cse0 (= (mod (+ .cse1 c_~z~0) 4294967296) .cse2)) (forall ((v_ArrVal_550 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse3 (select .cse10 c_~q1~0.base))) (or (not (= (select .cse3 .cse4) 1)) (forall ((~q2~0.offset Int)) (let ((.cse6 (select .cse10 c_~q2~0.base))) (or (not (= (select .cse3 .cse5) (select .cse6 (+ ~q2~0.offset .cse7 4)))) (forall ((v_ArrVal_551 (Array Int Int))) (< (let ((.cse8 (select (store .cse10 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_551) c_~q2~0.base))) (+ (select .cse8 (+ ~q2~0.offset .cse9 4)) (select .cse8 (+ ~q2~0.offset .cse9)))) (+ 3 |c_thread1Thread1of1ForFork0_~i~0#1|))) (not (= (select .cse6 (+ ~q2~0.offset .cse7)) (select .cse3 .cse11)))))))))) (forall ((v_ArrVal_550 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse12 (select .cse14 c_~q1~0.base))) (or (not (= (select .cse12 .cse4) 1)) (forall ((~q2~0.offset Int)) (let ((.cse15 (select .cse14 c_~q2~0.base))) (or (forall ((v_ArrVal_551 (Array Int Int))) (< (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) (let ((.cse13 (select (store .cse14 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_551) c_~q2~0.base))) (+ (select .cse13 (+ ~q2~0.offset .cse9 4)) (select .cse13 (+ ~q2~0.offset .cse9)))))) (not (= (select .cse12 .cse5) (select .cse15 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse15 (+ ~q2~0.offset .cse7)) (select .cse12 .cse11)))))))))))))) is different from false [2023-05-04 06:48:03,435 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse19 (* c_~q1_front~0 4))) (let ((.cse4 (+ (* c_~q1_back~0 4) c_~q1~0.offset)) (.cse5 (+ .cse19 c_~q1~0.offset 4)) (.cse7 (* c_~q2_back~0 4)) (.cse11 (+ .cse19 c_~q1~0.offset))) (let ((.cse0 (forall ((~q2~0.offset Int) (v_ArrVal_550 (Array Int Int))) (let ((.cse18 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse17 (select .cse18 c_~q2~0.base)) (.cse16 (select .cse18 c_~q1~0.base))) (or (not (= (select .cse16 .cse4) 1)) (not (= (select .cse16 .cse5) (select .cse17 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse17 (+ ~q2~0.offset .cse7)) (select .cse16 .cse11)))))))) (.cse9 (* c_~q2_front~0 4))) (and (or .cse0 (forall ((~C~0 Int)) (let ((.cse1 (* 2 ~C~0))) (= (mod (+ c_~x~0 .cse1) 4294967296) (mod (+ .cse1 c_~z~0) 4294967296))))) (or (forall ((~C~0 Int)) (let ((.cse2 (* 2 ~C~0))) (= (mod (+ c_~x~0 .cse2) 4294967296) (mod (+ c_~y~0 .cse2) 4294967296)))) .cse0) (forall ((v_ArrVal_550 (Array Int Int))) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse3 (select .cse10 c_~q1~0.base))) (or (not (= (select .cse3 .cse4) 1)) (forall ((~q2~0.offset Int)) (let ((.cse6 (select .cse10 c_~q2~0.base))) (or (not (= (select .cse3 .cse5) (select .cse6 (+ ~q2~0.offset .cse7 4)))) (forall ((v_ArrVal_551 (Array Int Int))) (< (let ((.cse8 (select (store .cse10 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_551) c_~q2~0.base))) (+ (select .cse8 (+ ~q2~0.offset .cse9 4)) (select .cse8 (+ ~q2~0.offset .cse9)))) (+ 3 |c_thread1Thread1of1ForFork0_~i~0#1|))) (not (= (select .cse6 (+ ~q2~0.offset .cse7)) (select .cse3 .cse11)))))))))) (forall ((v_ArrVal_550 (Array Int Int))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_550))) (let ((.cse12 (select .cse14 c_~q1~0.base))) (or (not (= (select .cse12 .cse4) 1)) (forall ((~q2~0.offset Int)) (let ((.cse15 (select .cse14 c_~q2~0.base))) (or (forall ((v_ArrVal_551 (Array Int Int))) (< (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) (let ((.cse13 (select (store .cse14 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_551) c_~q2~0.base))) (+ (select .cse13 (+ ~q2~0.offset .cse9 4)) (select .cse13 (+ ~q2~0.offset .cse9)))))) (not (= (select .cse12 .cse5) (select .cse15 (+ ~q2~0.offset .cse7 4)))) (not (= (select .cse15 (+ ~q2~0.offset .cse7)) (select .cse12 .cse11)))))))))))))) is different from false [2023-05-04 06:48:04,986 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:48:04,987 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 1382 treesize of output 2755 [2023-05-04 06:48:05,384 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:48:05,384 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 1010 treesize of output 1202 [2023-05-04 06:48:05,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 925 treesize of output 873 [2023-05-04 06:48:05,769 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:48:05,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 873 treesize of output 940 [2023-05-04 06:48:06,011 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:48:06,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 814 treesize of output 881 [2023-05-04 06:48:06,351 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:48:06,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 755 treesize of output 960 [2023-05-04 06:48:06,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 683 treesize of output 657 Received shutdown request... [2023-05-04 07:00:53,792 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 07:00:53,792 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 07:00:53,841 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 07:00:53,853 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 07:00:53,855 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 07:00:53,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 07:00:54,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-04 07:00:54,073 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 116ms.. [2023-05-04 07:00:54,075 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 07:00:54,075 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 07:00:54,075 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 07:00:54,083 INFO L444 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1] [2023-05-04 07:00:54,085 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 07:00:54,085 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 07:00:54,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:00:54 BasicIcfg [2023-05-04 07:00:54,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 07:00:54,087 INFO L158 Benchmark]: Toolchain (without parser) took 843580.71ms. Allocated memory was 226.5MB in the beginning and 1.1GB in the end (delta: 921.7MB). Free memory was 171.6MB in the beginning and 1.1GB in the end (delta: -906.0MB). Peak memory consumption was 706.4MB. Max. memory is 8.0GB. [2023-05-04 07:00:54,087 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 226.5MB. Free memory was 188.1MB in the beginning and 188.0MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 07:00:54,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.09ms. Allocated memory is still 226.5MB. Free memory was 171.3MB in the beginning and 200.9MB in the end (delta: -29.6MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2023-05-04 07:00:54,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.93ms. Allocated memory is still 226.5MB. Free memory was 200.9MB in the beginning and 198.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-04 07:00:54,087 INFO L158 Benchmark]: Boogie Preprocessor took 22.62ms. Allocated memory is still 226.5MB. Free memory was 198.4MB in the beginning and 196.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 07:00:54,088 INFO L158 Benchmark]: RCFGBuilder took 716.62ms. Allocated memory is still 226.5MB. Free memory was 196.7MB in the beginning and 161.7MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2023-05-04 07:00:54,088 INFO L158 Benchmark]: TraceAbstraction took 842564.53ms. Allocated memory was 226.5MB in the beginning and 1.1GB in the end (delta: 921.7MB). Free memory was 160.3MB in the beginning and 1.1GB in the end (delta: -917.3MB). Peak memory consumption was 695.6MB. Max. memory is 8.0GB. [2023-05-04 07:00:54,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 226.5MB. Free memory was 188.1MB in the beginning and 188.0MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 235.09ms. Allocated memory is still 226.5MB. Free memory was 171.3MB in the beginning and 200.9MB in the end (delta: -29.6MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.93ms. Allocated memory is still 226.5MB. Free memory was 200.9MB in the beginning and 198.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.62ms. Allocated memory is still 226.5MB. Free memory was 198.4MB in the beginning and 196.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 716.62ms. Allocated memory is still 226.5MB. Free memory was 196.7MB in the beginning and 161.7MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 842564.53ms. Allocated memory was 226.5MB in the beginning and 1.1GB in the end (delta: 921.7MB). Free memory was 160.3MB in the beginning and 1.1GB in the end (delta: -917.3MB). Peak memory consumption was 695.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8153, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 1157, dependent conditional: 1136, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7039, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 43, dependent conditional: 22, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7039, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 43, dependent conditional: 22, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 101, dependent unconditional: 52, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 50, dependent unconditional: 103, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 50, dependent unconditional: 103, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2339, independent: 2307, independent conditional: 2, independent unconditional: 2305, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2339, independent: 2302, independent conditional: 0, independent unconditional: 2302, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1212, independent: 59, independent conditional: 6, independent unconditional: 53, dependent: 139, dependent conditional: 42, dependent unconditional: 97, unknown: 1014, unknown conditional: 1014, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7149, independent: 4683, independent conditional: 1, independent unconditional: 4682, dependent: 122, dependent conditional: 40, dependent unconditional: 82, unknown: 2344, unknown conditional: 18, unknown unconditional: 2326] , Statistics on independence cache: Total cache size (in pairs): 2338, Positive cache size: 2307, Positive conditional cache size: 2, Positive unconditional cache size: 2305, Negative cache size: 31, Negative conditional cache size: 10, Negative unconditional cache size: 21, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 51, Maximal queried relation: 7, Independence queries for same thread: 1114 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 343, Number of trivial persistent sets: 241, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2824, independent: 2803, independent conditional: 0, independent unconditional: 2803, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8153, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 1157, dependent conditional: 1136, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7039, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 43, dependent conditional: 22, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7039, independent: 6990, independent conditional: 4187, independent unconditional: 2803, dependent: 43, dependent conditional: 22, dependent unconditional: 21, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 101, dependent unconditional: 52, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 50, dependent unconditional: 103, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7149, independent: 6990, independent conditional: 3, independent unconditional: 6987, dependent: 153, dependent conditional: 50, dependent unconditional: 103, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2339, independent: 2307, independent conditional: 2, independent unconditional: 2305, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2339, independent: 2302, independent conditional: 0, independent unconditional: 2302, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 31, dependent conditional: 10, dependent unconditional: 21, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1212, independent: 59, independent conditional: 6, independent unconditional: 53, dependent: 139, dependent conditional: 42, dependent unconditional: 97, unknown: 1014, unknown conditional: 1014, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7149, independent: 4683, independent conditional: 1, independent unconditional: 4682, dependent: 122, dependent conditional: 40, dependent unconditional: 82, unknown: 2344, unknown conditional: 18, unknown unconditional: 2326] , Statistics on independence cache: Total cache size (in pairs): 2338, Positive cache size: 2307, Positive conditional cache size: 2, Positive unconditional cache size: 2305, Negative cache size: 31, Negative conditional cache size: 10, Negative unconditional cache size: 21, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 51, Maximal queried relation: 7, Independence queries for same thread: 1114 - TimeoutResultAtElement [Line: 135]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 116ms.. - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 116ms.. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 116ms.. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 116ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 242 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 842.4s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 13.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 238, 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, 1.4s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 4140 NumberOfCodeBlocks, 4105 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 5911 ConstructedInterpolants, 50 QuantifiedInterpolants, 51940 SizeOfPredicates, 106 NumberOfNonLiveVariables, 4220 ConjunctsInSsa, 174 ConjunctsInUnsatCore, 27 InterpolantComputations, 3 PerfectInterpolantSequences, 1189/1658 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