/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 06:10:51,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 06:10:51,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 06:10:51,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 06:10:51,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 06:10:51,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 06:10:51,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 06:10:51,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 06:10:51,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 06:10:51,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 06:10:51,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 06:10:51,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 06:10:51,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 06:10:51,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 06:10:51,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 06:10:51,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 06:10:51,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 06:10:51,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 06:10:51,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 06:10:51,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 06:10:51,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 06:10:51,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 06:10:51,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 06:10:51,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 06:10:51,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 06:10:51,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 06:10:51,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 06:10:51,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 06:10:51,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 06:10:51,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 06:10:51,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 06:10:51,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 06:10:51,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 06:10:51,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 06:10:51,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 06:10:51,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 06:10:51,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 06:10:51,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 06:10:51,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 06:10:51,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 06:10:51,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 06:10:52,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 06:10:52,031 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 06:10:52,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 06:10:52,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 06:10:52,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 06:10:52,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 06:10:52,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 06:10:52,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 06:10:52,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 06:10:52,034 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 06:10:52,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 06:10:52,035 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 06:10:52,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 06:10:52,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 06:10:52,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 06:10:52,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 06:10:52,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 06:10:52,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 06:10:52,036 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 06:10:52,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 06:10:52,037 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 06:10:52,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 06:10:52,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 06:10:52,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 06:10:52,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 06:10:52,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 06:10:52,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 06:10:52,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 06:10:52,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 06:10:52,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 06:10:52,038 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 06:10:52,038 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 06:10:52,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 06:10:52,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 06:10:52,039 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 06:10:52,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 06:10:52,039 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 06:10:52,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 06:10:52,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 06:10:52,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 06:10:52,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 06:10:52,352 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 06:10:52,353 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 06:10:52,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-05-20 06:10:52,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c61d78f/39bde6fa4f5947a18a4c436f255c0f88/FLAGbbe664d32 [2023-05-20 06:10:52,897 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 06:10:52,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-05-20 06:10:52,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c61d78f/39bde6fa4f5947a18a4c436f255c0f88/FLAGbbe664d32 [2023-05-20 06:10:53,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c61d78f/39bde6fa4f5947a18a4c436f255c0f88 [2023-05-20 06:10:53,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 06:10:53,391 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 06:10:53,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 06:10:53,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 06:10:53,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 06:10:53,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272394aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53, skipping insertion in model container [2023-05-20 06:10:53,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 06:10:53,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 06:10:53,604 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-two-queue.wvr.c[2987,3000] [2023-05-20 06:10:53,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 06:10:53,633 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 06:10:53,671 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-two-queue.wvr.c[2987,3000] [2023-05-20 06:10:53,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 06:10:53,686 INFO L208 MainTranslator]: Completed translation [2023-05-20 06:10:53,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53 WrapperNode [2023-05-20 06:10:53,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 06:10:53,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 06:10:53,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 06:10:53,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 06:10:53,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,723 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 200 [2023-05-20 06:10:53,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 06:10:53,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 06:10:53,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 06:10:53,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 06:10:53,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,748 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 06:10:53,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 06:10:53,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 06:10:53,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 06:10:53,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (1/1) ... [2023-05-20 06:10:53,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 06:10:53,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:10:53,794 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) [2023-05-20 06:10:53,796 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 [2023-05-20 06:10:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 06:10:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 06:10:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 06:10:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 06:10:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 06:10:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 06:10:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 06:10:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 06:10:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 06:10:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 06:10:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 06:10:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 06:10:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 06:10:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 06:10:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 06:10:53,833 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 06:10:53,921 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 06:10:53,923 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 06:10:54,269 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 06:10:54,423 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 06:10:54,423 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-20 06:10:54,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:10:54 BoogieIcfgContainer [2023-05-20 06:10:54,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 06:10:54,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 06:10:54,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 06:10:54,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 06:10:54,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 06:10:53" (1/3) ... [2023-05-20 06:10:54,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ace963d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:10:54, skipping insertion in model container [2023-05-20 06:10:54,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:10:53" (2/3) ... [2023-05-20 06:10:54,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ace963d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:10:54, skipping insertion in model container [2023-05-20 06:10:54,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:10:54" (3/3) ... [2023-05-20 06:10:54,434 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2023-05-20 06:10:54,441 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 06:10:54,453 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 06:10:54,453 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 06:10:54,453 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 06:10:54,530 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 06:10:54,591 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 06:10:54,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 06:10:54,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:10:54,598 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) [2023-05-20 06:10:54,603 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 [2023-05-20 06:10:54,640 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 06:10:54,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 06:10:54,674 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;@5739f884, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 06:10:54,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 06:10:54,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:10:54,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:10:54,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1513407579, now seen corresponding path program 1 times [2023-05-20 06:10:54,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:10:54,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84608801] [2023-05-20 06:10:54,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:10:54,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:10:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:10:55,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 06:10:55,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:10:55,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84608801] [2023-05-20 06:10:55,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84608801] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:10:55,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 06:10:55,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 06:10:55,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319878874] [2023-05-20 06:10:55,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:10:55,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 06:10:55,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:10:55,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 06:10:55,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 06:10:55,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:55,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:10:55,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 66.5) internal successors, (133), 2 states have internal predecessors, (133), 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) [2023-05-20 06:10:55,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:55,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:55,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 06:10:55,334 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:10:55,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:10:55,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1555230089, now seen corresponding path program 1 times [2023-05-20 06:10:55,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:10:55,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149915349] [2023-05-20 06:10:55,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:10:55,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:10:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:10:55,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:10:55,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:10:55,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149915349] [2023-05-20 06:10:55,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149915349] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:10:55,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 06:10:55,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 06:10:55,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468948530] [2023-05-20 06:10:55,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:10:55,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 06:10:55,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:10:55,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 06:10:55,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-20 06:10:55,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:55,808 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:10:55,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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) [2023-05-20 06:10:55,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:55,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:55,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:55,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 06:10:55,871 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:10:55,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:10:55,872 INFO L85 PathProgramCache]: Analyzing trace with hash -145221171, now seen corresponding path program 1 times [2023-05-20 06:10:55,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:10:55,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94018328] [2023-05-20 06:10:55,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:10:55,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:10:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:10:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:10:56,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:10:56,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94018328] [2023-05-20 06:10:56,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94018328] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:10:56,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 06:10:56,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 06:10:56,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922961538] [2023-05-20 06:10:56,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:10:56,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 06:10:56,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:10:56,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 06:10:56,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 06:10:56,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:56,299 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:10:56,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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) [2023-05-20 06:10:56,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:56,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:56,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:56,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:56,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 06:10:56,553 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:10:56,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:10:56,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1517580155, now seen corresponding path program 1 times [2023-05-20 06:10:56,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:10:56,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590862535] [2023-05-20 06:10:56,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:10:56,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:10:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:10:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:10:56,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:10:56,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590862535] [2023-05-20 06:10:56,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590862535] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:10:56,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 06:10:56,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 06:10:56,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747244831] [2023-05-20 06:10:56,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:10:56,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 06:10:56,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:10:56,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 06:10:56,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-20 06:10:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:56,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:10:56,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2023-05-20 06:10:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:56,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:56,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:56,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:10:56,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 06:10:56,876 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:10:56,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:10:56,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1167219087, now seen corresponding path program 1 times [2023-05-20 06:10:56,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:10:56,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340931590] [2023-05-20 06:10:56,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:10:56,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:10:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:10:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 06:10:57,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:10:57,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340931590] [2023-05-20 06:10:57,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340931590] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:10:57,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 06:10:57,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 06:10:57,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729902940] [2023-05-20 06:10:57,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:10:57,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 06:10:57,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:10:57,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 06:10:57,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 06:10:57,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:57,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:10:57,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2023-05-20 06:10:57,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:57,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:57,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:57,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:10:57,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:57,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:57,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:10:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:57,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 06:10:57,183 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:10:57,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:10:57,184 INFO L85 PathProgramCache]: Analyzing trace with hash -256324387, now seen corresponding path program 1 times [2023-05-20 06:10:57,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:10:57,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641842128] [2023-05-20 06:10:57,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:10:57,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:10:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:10:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 06:10:57,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:10:57,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641842128] [2023-05-20 06:10:57,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641842128] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:10:57,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 06:10:57,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 06:10:57,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281954124] [2023-05-20 06:10:57,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:10:57,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 06:10:57,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:10:57,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 06:10:57,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 06:10:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:57,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:10:57,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 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) [2023-05-20 06:10:57,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:57,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:57,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:57,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:10:57,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:57,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:10:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:10:57,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 06:10:57,466 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:10:57,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:10:57,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1021021166, now seen corresponding path program 1 times [2023-05-20 06:10:57,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:10:57,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931542307] [2023-05-20 06:10:57,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:10:57,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:10:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:10:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 06:10:57,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:10:57,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931542307] [2023-05-20 06:10:57,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931542307] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:10:57,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222528723] [2023-05-20 06:10:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:10:57,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:10:57,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:10:57,805 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) [2023-05-20 06:10:57,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 06:10:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:10:57,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 06:10:57,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:10:58,206 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 06:10:58,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:10:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 06:10:58,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222528723] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:10:58,493 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:10:58,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 06:10:58,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690585980] [2023-05-20 06:10:58,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:10:58,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 06:10:58,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:10:58,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 06:10:58,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 06:10:58,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:58,495 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:10:58,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.421052631578947) internal successors, (236), 19 states have internal predecessors, (236), 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) [2023-05-20 06:10:58,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:58,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:58,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:58,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:10:58,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:58,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:10:58,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:10:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:10:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:10:58,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 06:10:58,991 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,SelfDestructingSolverStorable6 [2023-05-20 06:10:58,991 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:10:58,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:10:58,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1290266557, now seen corresponding path program 2 times [2023-05-20 06:10:58,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:10:58,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364740267] [2023-05-20 06:10:58,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:10:58,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:10:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:10:59,229 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 06:10:59,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:10:59,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364740267] [2023-05-20 06:10:59,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364740267] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:10:59,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 06:10:59,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 06:10:59,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402450246] [2023-05-20 06:10:59,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:10:59,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 06:10:59,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:10:59,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 06:10:59,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-20 06:10:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:59,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:10:59,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 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) [2023-05-20 06:10:59,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:59,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:59,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:59,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:10:59,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:59,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:10:59,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:10:59,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:10:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:10:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:10:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:10:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:10:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:10:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:10:59,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-20 06:10:59,263 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:10:59,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:10:59,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1319373887, now seen corresponding path program 3 times [2023-05-20 06:10:59,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:10:59,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623084383] [2023-05-20 06:10:59,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:10:59,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:10:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:11:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:11:06,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:11:06,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623084383] [2023-05-20 06:11:06,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623084383] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:11:06,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120593428] [2023-05-20 06:11:06,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 06:11:06,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:11:06,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:11:06,243 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) [2023-05-20 06:11:06,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 06:11:06,713 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 06:11:06,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:11:06,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 58 conjunts are in the unsatisfiable core [2023-05-20 06:11:06,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:11:08,648 INFO L356 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-05-20 06:11:08,649 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 13 [2023-05-20 06:11:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 06:11:08,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:11:09,672 INFO L356 Elim1Store]: treesize reduction 30, result has 87.2 percent of original size [2023-05-20 06:11:09,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 228 [2023-05-20 06:11:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 06:11:13,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120593428] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:11:13,721 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:11:13,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 24, 20] total 73 [2023-05-20 06:11:13,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575648245] [2023-05-20 06:11:13,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:11:13,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-05-20 06:11:13,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:11:13,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-05-20 06:11:13,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=4793, Unknown=0, NotChecked=0, Total=5256 [2023-05-20 06:11:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:13,725 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:11:13,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 5.4520547945205475) internal successors, (398), 73 states have internal predecessors, (398), 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) [2023-05-20 06:11:13,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:13,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:11:13,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:13,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:11:13,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:13,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:11:13,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:11:13,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:13,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:16,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:16,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:11:16,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:16,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:11:16,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:16,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:11:16,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:11:16,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:16,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 06:11:16,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 06:11:16,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:11:16,588 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:11:16,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:11:16,588 INFO L85 PathProgramCache]: Analyzing trace with hash -345401993, now seen corresponding path program 4 times [2023-05-20 06:11:16,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:11:16,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175550257] [2023-05-20 06:11:16,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:11:16,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:11:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:11:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 06:11:16,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:11:16,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175550257] [2023-05-20 06:11:16,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175550257] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:11:16,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386766379] [2023-05-20 06:11:16,813 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 06:11:16,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:11:16,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:11:16,814 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) [2023-05-20 06:11:16,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 06:11:16,925 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 06:11:16,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:11:16,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 06:11:16,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:11:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 06:11:17,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 06:11:17,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386766379] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 06:11:17,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 06:11:17,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2023-05-20 06:11:17,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633804628] [2023-05-20 06:11:17,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 06:11:17,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 06:11:17,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:11:17,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 06:11:17,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-05-20 06:11:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:17,075 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:11:17,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 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) [2023-05-20 06:11:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:11:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:11:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:11:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:11:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 06:11:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:11:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:11:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:11:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:11:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-20 06:11:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:17,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 06:11:17,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:11:17,336 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:11:17,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:11:17,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1700249187, now seen corresponding path program 5 times [2023-05-20 06:11:17,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:11:17,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138277436] [2023-05-20 06:11:17,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:11:17,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:11:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:11:22,061 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:11:22,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:11:22,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138277436] [2023-05-20 06:11:22,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138277436] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:11:22,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723279634] [2023-05-20 06:11:22,062 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 06:11:22,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:11:22,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:11:22,066 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) [2023-05-20 06:11:22,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 06:11:22,234 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-05-20 06:11:22,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:11:22,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 91 conjunts are in the unsatisfiable core [2023-05-20 06:11:22,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:11:25,678 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 06:11:25,679 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 35 treesize of output 27 [2023-05-20 06:11:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:11:25,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:11:26,897 INFO L356 Elim1Store]: treesize reduction 30, result has 87.2 percent of original size [2023-05-20 06:11:26,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 236 [2023-05-20 06:11:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:11:33,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723279634] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:11:33,276 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:11:33,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 48, 36] total 126 [2023-05-20 06:11:33,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351105156] [2023-05-20 06:11:33,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:11:33,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2023-05-20 06:11:33,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:11:33,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2023-05-20 06:11:33,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1648, Invalid=14102, Unknown=0, NotChecked=0, Total=15750 [2023-05-20 06:11:33,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:33,284 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:11:33,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 3.5634920634920637) internal successors, (449), 126 states have internal predecessors, (449), 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) [2023-05-20 06:11:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:11:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:11:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:11:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:11:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-20 06:11:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:33,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:11:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:11:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:11:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:11:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-20 06:11:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 06:11:38,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 06:11:38,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-20 06:11:38,797 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:11:38,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:11:38,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1372101255, now seen corresponding path program 6 times [2023-05-20 06:11:38,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:11:38,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691835913] [2023-05-20 06:11:38,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:11:38,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:11:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:11:39,122 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 13 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-20 06:11:39,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:11:39,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691835913] [2023-05-20 06:11:39,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691835913] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:11:39,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643381757] [2023-05-20 06:11:39,122 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 06:11:39,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:11:39,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:11:39,124 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) [2023-05-20 06:11:39,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 06:11:39,594 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-20 06:11:39,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:11:39,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 06:11:39,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:11:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-20 06:11:39,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:11:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-20 06:11:40,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643381757] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:11:40,198 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:11:40,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-20 06:11:40,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664926597] [2023-05-20 06:11:40,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:11:40,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-20 06:11:40,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:11:40,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-20 06:11:40,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-20 06:11:40,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:40,200 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:11:40,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 10.392857142857142) internal successors, (291), 28 states have internal predecessors, (291), 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) [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 06:11:40,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:11:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:11:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:11:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:11:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-20 06:11:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 06:11:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 06:11:40,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 06:11:40,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:11:40,769 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:11:40,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:11:40,769 INFO L85 PathProgramCache]: Analyzing trace with hash -742055272, now seen corresponding path program 7 times [2023-05-20 06:11:40,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:11:40,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096581610] [2023-05-20 06:11:40,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:11:40,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:11:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:11:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 1 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:11:45,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:11:45,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096581610] [2023-05-20 06:11:45,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096581610] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:11:45,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212341197] [2023-05-20 06:11:45,136 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 06:11:45,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:11:45,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:11:45,138 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) [2023-05-20 06:11:45,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 06:11:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:11:45,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 81 conjunts are in the unsatisfiable core [2023-05-20 06:11:45,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:11:49,416 INFO L356 Elim1Store]: treesize reduction 78, result has 25.7 percent of original size [2023-05-20 06:11:49,416 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 47 treesize of output 41 [2023-05-20 06:11:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 1 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:11:49,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:11:51,016 INFO L356 Elim1Store]: treesize reduction 30, result has 87.2 percent of original size [2023-05-20 06:11:51,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 236 [2023-05-20 06:11:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 1 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:11:57,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212341197] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:11:57,084 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:11:57,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 46, 46] total 136 [2023-05-20 06:11:57,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000849561] [2023-05-20 06:11:57,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:11:57,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2023-05-20 06:11:57,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:11:57,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2023-05-20 06:11:57,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1668, Invalid=16692, Unknown=0, NotChecked=0, Total=18360 [2023-05-20 06:11:57,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:57,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:11:57,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 3.7279411764705883) internal successors, (507), 136 states have internal predecessors, (507), 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) [2023-05-20 06:11:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:11:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:11:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:11:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:11:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:11:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:11:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-20 06:11:57,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:11:57,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 06:11:57,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 06:11:57,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:12:03,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:12:03,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:12:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:12:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:12:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:12:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:12:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:12:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:12:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-20 06:12:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:12:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 06:12:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 06:12:03,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-20 06:12:03,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 06:12:04,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:12:04,038 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:12:04,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:12:04,038 INFO L85 PathProgramCache]: Analyzing trace with hash 414853180, now seen corresponding path program 8 times [2023-05-20 06:12:04,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:12:04,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030437936] [2023-05-20 06:12:04,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:12:04,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:12:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:12:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 72 proven. 30 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-20 06:12:04,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:12:04,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030437936] [2023-05-20 06:12:04,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030437936] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:12:04,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213410768] [2023-05-20 06:12:04,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 06:12:04,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:12:04,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:12:04,429 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) [2023-05-20 06:12:04,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 06:12:04,578 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 06:12:04,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:12:04,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-20 06:12:04,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:12:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-20 06:12:04,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:12:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 46 proven. 56 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-20 06:12:05,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213410768] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:12:05,287 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:12:05,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-05-20 06:12:05,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958690475] [2023-05-20 06:12:05,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:12:05,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-20 06:12:05,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:12:05,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-20 06:12:05,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2023-05-20 06:12:05,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:12:05,289 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:12:05,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 9.405405405405405) internal successors, (348), 37 states have internal predecessors, (348), 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) [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-20 06:12:05,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:12:05,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 06:12:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-20 06:12:05,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 06:12:05,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 06:12:05,889 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,SelfDestructingSolverStorable13 [2023-05-20 06:12:05,890 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:12:05,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:12:05,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1583896115, now seen corresponding path program 9 times [2023-05-20 06:12:05,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:12:05,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128663720] [2023-05-20 06:12:05,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:12:05,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:12:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 06:12:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 06:12:19,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 06:12:19,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128663720] [2023-05-20 06:12:19,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128663720] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 06:12:19,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61833838] [2023-05-20 06:12:19,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 06:12:19,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 06:12:19,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:12:19,211 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) [2023-05-20 06:12:19,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 06:12:19,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-20 06:12:19,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 06:12:19,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 113 conjunts are in the unsatisfiable core [2023-05-20 06:12:19,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 06:12:22,038 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 06:12:22,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 06:12:22,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 06:12:22,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 06:12:27,305 INFO L356 Elim1Store]: treesize reduction 90, result has 44.1 percent of original size [2023-05-20 06:12:27,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 88 [2023-05-20 06:12:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 25 proven. 146 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 06:12:27,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 06:12:49,883 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 06:12:49,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 441 treesize of output 226 [2023-05-20 06:12:50,020 INFO L356 Elim1Store]: treesize reduction 14, result has 91.1 percent of original size [2023-05-20 06:12:50,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 5999 treesize of output 5206 [2023-05-20 06:12:50,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:12:50,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:12:50,150 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 06:12:50,151 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 4789 treesize of output 4182 [2023-05-20 06:12:50,256 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:12:50,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:12:50,330 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 06:12:50,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 4343 treesize of output 3016 [2023-05-20 06:16:03,761 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 06:16:03,762 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 441 treesize of output 226 [2023-05-20 06:16:03,877 INFO L356 Elim1Store]: treesize reduction 52, result has 67.1 percent of original size [2023-05-20 06:16:03,878 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 3139 treesize of output 2759 [2023-05-20 06:16:03,926 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:16:04,001 INFO L356 Elim1Store]: treesize reduction 33, result has 73.8 percent of original size [2023-05-20 06:16:04,001 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 2654 treesize of output 2000 [2023-05-20 06:16:04,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 06:16:04,133 INFO L356 Elim1Store]: treesize reduction 33, result has 73.8 percent of original size [2023-05-20 06:16:04,133 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 1812 treesize of output 1531 [2023-05-20 06:21:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 168 refuted. 3 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 06:21:14,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61833838] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 06:21:14,430 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 06:21:14,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 58, 55] total 187 [2023-05-20 06:21:14,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474063466] [2023-05-20 06:21:14,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 06:21:14,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 187 states [2023-05-20 06:21:14,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 06:21:14,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2023-05-20 06:21:14,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1409, Invalid=33323, Unknown=50, NotChecked=0, Total=34782 [2023-05-20 06:21:14,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:21:14,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 06:21:14,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 187 states, 187 states have (on average 3.481283422459893) internal successors, (651), 187 states have internal predecessors, (651), 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) [2023-05-20 06:21:14,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:21:14,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:21:14,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 06:21:14,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:21:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:21:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 06:21:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:21:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 06:21:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 06:21:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 06:21:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 06:21:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:21:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-20 06:21:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 06:21:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-20 06:21:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 06:21:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-20 06:21:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 06:21:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 06:21:14,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 06:21:14,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 06:21:14,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 06:21:14,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 06:21:14,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-20 06:21:14,649 INFO L444 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1, 1, 1, 1] [2023-05-20 06:21:14,651 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 06:21:14,651 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 06:21:14,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 06:21:14 BasicIcfg [2023-05-20 06:21:14,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 06:21:14,654 INFO L158 Benchmark]: Toolchain (without parser) took 621262.69ms. Allocated memory was 187.7MB in the beginning and 778.0MB in the end (delta: 590.3MB). Free memory was 130.7MB in the beginning and 318.6MB in the end (delta: -187.9MB). Peak memory consumption was 402.8MB. Max. memory is 8.0GB. [2023-05-20 06:21:14,654 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 187.7MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 06:21:14,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.85ms. Allocated memory is still 187.7MB. Free memory was 130.6MB in the beginning and 158.6MB in the end (delta: -28.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-05-20 06:21:14,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.22ms. Allocated memory is still 187.7MB. Free memory was 158.6MB in the beginning and 156.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 06:21:14,655 INFO L158 Benchmark]: Boogie Preprocessor took 27.49ms. Allocated memory is still 187.7MB. Free memory was 156.3MB in the beginning and 154.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 06:21:14,655 INFO L158 Benchmark]: RCFGBuilder took 672.92ms. Allocated memory is still 187.7MB. Free memory was 154.6MB in the beginning and 125.9MB in the end (delta: 28.6MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-05-20 06:21:14,655 INFO L158 Benchmark]: TraceAbstraction took 620225.57ms. Allocated memory was 187.7MB in the beginning and 778.0MB in the end (delta: 590.3MB). Free memory was 124.9MB in the beginning and 318.6MB in the end (delta: -193.7MB). Peak memory consumption was 397.6MB. Max. memory is 8.0GB. [2023-05-20 06:21:14,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 187.7MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 290.85ms. Allocated memory is still 187.7MB. Free memory was 130.6MB in the beginning and 158.6MB in the end (delta: -28.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.22ms. Allocated memory is still 187.7MB. Free memory was 158.6MB in the beginning and 156.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.49ms. Allocated memory is still 187.7MB. Free memory was 156.3MB in the beginning and 154.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 672.92ms. Allocated memory is still 187.7MB. Free memory was 154.6MB in the beginning and 125.9MB in the end (delta: 28.6MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 620225.57ms. Allocated memory was 187.7MB in the beginning and 778.0MB in the end (delta: 590.3MB). Free memory was 124.9MB in the beginning and 318.6MB in the end (delta: -193.7MB). Peak memory consumption was 397.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2885, independent: 2042, independent conditional: 1162, independent unconditional: 880, dependent: 843, dependent conditional: 832, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2083, independent: 2042, independent conditional: 1162, independent unconditional: 880, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2083, independent: 2042, independent conditional: 1162, independent unconditional: 880, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2284, independent: 2042, independent conditional: 0, independent unconditional: 2042, dependent: 242, dependent conditional: 201, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2284, independent: 2042, independent conditional: 0, independent unconditional: 2042, dependent: 242, dependent conditional: 157, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2284, independent: 2042, independent conditional: 0, independent unconditional: 2042, dependent: 242, dependent conditional: 157, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 775, independent: 737, independent conditional: 0, independent unconditional: 737, dependent: 38, dependent conditional: 27, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 775, independent: 735, independent conditional: 0, independent unconditional: 735, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 38, dependent conditional: 27, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 38, dependent conditional: 27, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 207, dependent conditional: 92, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2284, independent: 1305, independent conditional: 0, independent unconditional: 1305, dependent: 204, dependent conditional: 130, dependent unconditional: 74, unknown: 775, unknown conditional: 27, unknown unconditional: 748] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 737, Positive conditional cache size: 0, Positive unconditional cache size: 737, Negative cache size: 38, Negative conditional cache size: 27, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44, Maximal queried relation: 12, Independence queries for same thread: 802 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 240, Number of trivial persistent sets: 194, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 891, independent: 880, independent conditional: 0, independent unconditional: 880, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2885, independent: 2042, independent conditional: 1162, independent unconditional: 880, dependent: 843, dependent conditional: 832, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2083, independent: 2042, independent conditional: 1162, independent unconditional: 880, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2083, independent: 2042, independent conditional: 1162, independent unconditional: 880, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2284, independent: 2042, independent conditional: 0, independent unconditional: 2042, dependent: 242, dependent conditional: 201, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2284, independent: 2042, independent conditional: 0, independent unconditional: 2042, dependent: 242, dependent conditional: 157, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2284, independent: 2042, independent conditional: 0, independent unconditional: 2042, dependent: 242, dependent conditional: 157, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 775, independent: 737, independent conditional: 0, independent unconditional: 737, dependent: 38, dependent conditional: 27, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 775, independent: 735, independent conditional: 0, independent unconditional: 735, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 38, dependent conditional: 27, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 38, dependent conditional: 27, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 207, dependent conditional: 92, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2284, independent: 1305, independent conditional: 0, independent unconditional: 1305, dependent: 204, dependent conditional: 130, dependent unconditional: 74, unknown: 775, unknown conditional: 27, unknown unconditional: 748] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 737, Positive conditional cache size: 0, Positive unconditional cache size: 737, Negative cache size: 38, Negative conditional cache size: 27, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44, Maximal queried relation: 12, Independence queries for same thread: 802 - PositiveResult [Line: 102]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 186 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 620.0s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 16.7s, 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: 269, 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: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 598.3s InterpolantComputationTime, 4059 NumberOfCodeBlocks, 4031 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 5385 ConstructedInterpolants, 102 QuantifiedInterpolants, 93813 SizeOfPredicates, 251 NumberOfNonLiveVariables, 3639 ConjunctsInSsa, 387 ConjunctsInUnsatCore, 30 InterpolantComputations, 8 PerfectInterpolantSequences, 690/1741 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-20 06:21:14,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-05-20 06:21:14,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...