/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 14:34:48,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 14:34:48,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 14:34:48,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 14:34:48,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 14:34:48,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 14:34:48,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 14:34:48,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 14:34:48,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 14:34:48,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 14:34:48,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 14:34:48,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 14:34:48,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 14:34:48,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 14:34:48,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 14:34:48,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 14:34:48,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 14:34:48,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 14:34:48,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 14:34:48,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 14:34:48,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 14:34:48,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 14:34:48,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 14:34:48,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 14:34:48,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 14:34:48,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 14:34:48,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 14:34:48,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 14:34:48,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 14:34:48,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 14:34:48,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 14:34:48,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 14:34:48,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 14:34:48,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 14:34:48,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 14:34:48,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 14:34:48,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 14:34:48,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 14:34:48,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 14:34:48,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 14:34:48,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 14:34:48,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 14:34:48,106 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 14:34:48,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 14:34:48,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 14:34:48,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 14:34:48,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 14:34:48,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 14:34:48,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 14:34:48,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 14:34:48,109 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 14:34:48,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 14:34:48,109 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 14:34:48,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 14:34:48,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 14:34:48,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 14:34:48,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 14:34:48,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 14:34:48,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 14:34:48,110 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 14:34:48,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 14:34:48,110 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 14:34:48,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 14:34:48,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 14:34:48,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 14:34:48,110 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 14:34:48,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 14:34:48,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:34:48,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 14:34:48,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 14:34:48,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 14:34:48,111 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 14:34:48,111 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 14:34:48,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 14:34:48,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 14:34:48,112 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 14:34:48,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 14:34:48,112 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 14:34:48,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 14:34:48,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 14:34:48,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 14:34:48,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 14:34:48,361 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 14:34:48,363 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 14:34:48,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2023-05-20 14:34:48,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b10609953/00753292f8714ea4b1594e49be554998/FLAG1df32c246 [2023-05-20 14:34:48,832 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 14:34:48,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2023-05-20 14:34:48,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b10609953/00753292f8714ea4b1594e49be554998/FLAG1df32c246 [2023-05-20 14:34:49,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b10609953/00753292f8714ea4b1594e49be554998 [2023-05-20 14:34:49,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 14:34:49,221 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 14:34:49,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 14:34:49,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 14:34:49,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 14:34:49,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f563bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49, skipping insertion in model container [2023-05-20 14:34:49,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 14:34:49,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 14:34:49,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2023-05-20 14:34:49,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:34:49,482 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 14:34:49,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2023-05-20 14:34:49,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:34:49,522 INFO L208 MainTranslator]: Completed translation [2023-05-20 14:34:49,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49 WrapperNode [2023-05-20 14:34:49,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 14:34:49,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 14:34:49,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 14:34:49,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 14:34:49,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,569 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 303 [2023-05-20 14:34:49,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 14:34:49,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 14:34:49,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 14:34:49,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 14:34:49,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,598 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 14:34:49,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 14:34:49,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 14:34:49,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 14:34:49,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (1/1) ... [2023-05-20 14:34:49,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:34:49,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:34:49,640 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 14:34:49,646 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 14:34:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 14:34:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 14:34:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 14:34:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 14:34:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 14:34:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 14:34:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 14:34:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 14:34:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 14:34:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 14:34:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-20 14:34:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-20 14:34:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 14:34:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 14:34:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 14:34:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 14:34:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 14:34:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 14:34:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 14:34:49,672 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 14:34:49,771 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 14:34:49,773 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 14:34:50,173 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 14:34:50,360 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 14:34:50,360 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-20 14:34:50,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:34:50 BoogieIcfgContainer [2023-05-20 14:34:50,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 14:34:50,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 14:34:50,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 14:34:50,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 14:34:50,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 02:34:49" (1/3) ... [2023-05-20 14:34:50,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee42144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:34:50, skipping insertion in model container [2023-05-20 14:34:50,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:34:49" (2/3) ... [2023-05-20 14:34:50,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee42144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:34:50, skipping insertion in model container [2023-05-20 14:34:50,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:34:50" (3/3) ... [2023-05-20 14:34:50,381 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2023-05-20 14:34:50,389 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 14:34:50,396 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 14:34:50,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 14:34:50,397 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 14:34:50,485 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-20 14:34:50,534 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:34:50,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 14:34:50,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:34:50,536 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 14:34:50,545 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 14:34:50,567 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 14:34:50,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 14:34:50,588 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;@1fa17ac9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:34:50,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-20 14:34:50,979 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:34:50,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:34:50,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1413920564, now seen corresponding path program 1 times [2023-05-20 14:34:50,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:34:50,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568414945] [2023-05-20 14:34:50,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:34:50,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:34:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:34:51,333 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 14:34:51,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:34:51,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568414945] [2023-05-20 14:34:51,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568414945] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:34:51,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:34:51,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 14:34:51,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989819627] [2023-05-20 14:34:51,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:34:51,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 14:34:51,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:34:51,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 14:34:51,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 14:34:51,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:51,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:34:51,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 87.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:34:51,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:51,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:51,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 14:34:51,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:34:51,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:34:51,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1688436042, now seen corresponding path program 1 times [2023-05-20 14:34:51,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:34:51,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597239661] [2023-05-20 14:34:51,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:34:51,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:34:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:34:51,978 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 14:34:51,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:34:51,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597239661] [2023-05-20 14:34:51,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597239661] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:34:51,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:34:51,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 14:34:51,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289010782] [2023-05-20 14:34:51,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:34:51,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 14:34:51,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:34:51,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 14:34:51,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 14:34:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:51,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:34:51,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:34:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:51,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:52,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 14:34:52,324 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:34:52,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:34:52,324 INFO L85 PathProgramCache]: Analyzing trace with hash 39299032, now seen corresponding path program 1 times [2023-05-20 14:34:52,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:34:52,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698919092] [2023-05-20 14:34:52,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:34:52,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:34:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:34:52,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:34:52,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:34:52,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698919092] [2023-05-20 14:34:52,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698919092] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:34:52,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:34:52,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 14:34:52,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559328791] [2023-05-20 14:34:52,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:34:52,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 14:34:52,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:34:52,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 14:34:52,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 14:34:52,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:52,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:34:52,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 14:34:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:52,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:52,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:52,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:34:52,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 14:34:52,612 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:34:52,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:34:52,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1546981800, now seen corresponding path program 1 times [2023-05-20 14:34:52,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:34:52,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261041880] [2023-05-20 14:34:52,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:34:52,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:34:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:34:52,942 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 14:34:52,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:34:52,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261041880] [2023-05-20 14:34:52,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261041880] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:34:52,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:34:52,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 14:34:52,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22091494] [2023-05-20 14:34:52,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:34:52,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 14:34:52,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:34:52,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 14:34:52,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 14:34:52,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:52,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:34:52,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 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 14:34:52,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:52,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:52,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:34:52,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:53,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:34:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:53,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 14:34:53,281 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:34:53,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:34:53,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1930492613, now seen corresponding path program 1 times [2023-05-20 14:34:53,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:34:53,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712145579] [2023-05-20 14:34:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:34:53,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:34:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:34:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 14:34:53,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:34:53,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712145579] [2023-05-20 14:34:53,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712145579] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:34:53,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:34:53,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 14:34:53,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039466723] [2023-05-20 14:34:53,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:34:53,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 14:34:53,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:34:53,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 14:34:53,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 14:34:53,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:53,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:34:53,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:34:53,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:53,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:53,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:34:53,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:53,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:53,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:34:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:34:53,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 14:34:53,694 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:34:53,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:34:53,694 INFO L85 PathProgramCache]: Analyzing trace with hash -380614928, now seen corresponding path program 1 times [2023-05-20 14:34:53,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:34:53,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957975055] [2023-05-20 14:34:53,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:34:53,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:34:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:34:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 14:34:53,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:34:53,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957975055] [2023-05-20 14:34:53,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957975055] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:34:53,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298401094] [2023-05-20 14:34:53,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:34:53,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:34:53,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:34:53,907 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 14:34:53,927 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 14:34:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:34:54,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 14:34:54,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:34:54,340 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 14:34:54,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:34:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 14:34:54,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298401094] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:34:54,809 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:34:54,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 7 [2023-05-20 14:34:54,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633214986] [2023-05-20 14:34:54,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:34:54,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 14:34:54,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:34:54,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 14:34:54,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-05-20 14:34:54,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:54,812 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:34:54,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 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 14:34:54,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:54,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:54,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:34:54,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:54,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:34:54,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:34:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:34:54,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:34:54,983 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 14:34:55,176 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,SelfDestructingSolverStorable5 [2023-05-20 14:34:55,176 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:34:55,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:34:55,177 INFO L85 PathProgramCache]: Analyzing trace with hash -156559489, now seen corresponding path program 2 times [2023-05-20 14:34:55,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:34:55,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935528733] [2023-05-20 14:34:55,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:34:55,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:34:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:34:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:34:55,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:34:55,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935528733] [2023-05-20 14:34:55,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935528733] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:34:55,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:34:55,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 14:34:55,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146396721] [2023-05-20 14:34:55,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:34:55,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 14:34:55,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:34:55,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 14:34:55,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-05-20 14:34:55,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:55,782 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:34:55,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 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 14:34:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:34:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:34:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:34:55,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:58,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:58,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:58,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:34:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:34:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:34:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:34:58,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-20 14:34:58,505 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:34:58,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:34:58,506 INFO L85 PathProgramCache]: Analyzing trace with hash -485609308, now seen corresponding path program 1 times [2023-05-20 14:34:58,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:34:58,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143980304] [2023-05-20 14:34:58,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:34:58,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:34:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:34:58,797 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 14:34:58,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:34:58,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143980304] [2023-05-20 14:34:58,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143980304] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:34:58,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267598817] [2023-05-20 14:34:58,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:34:58,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:34:58,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:34:58,801 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 14:34:58,817 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 14:34:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:34:58,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 14:34:59,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:34:59,185 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 14:34:59,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:34:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 14:34:59,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267598817] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:34:59,438 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:34:59,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 14:34:59,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194255314] [2023-05-20 14:34:59,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:34:59,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 14:34:59,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:34:59,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 14:34:59,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 14:34:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:59,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:34:59,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.578947368421053) internal successors, (277), 19 states have internal predecessors, (277), 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 14:34:59,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:34:59,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:59,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:34:59,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:34:59,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:34:59,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:34:59,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:34:59,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:35:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:35:00,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:35:00,986 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 14:35:01,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:35:01,183 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:35:01,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:35:01,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1557205853, now seen corresponding path program 2 times [2023-05-20 14:35:01,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:35:01,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771803089] [2023-05-20 14:35:01,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:35:01,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:35:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:35:01,341 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:35:01,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:35:01,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771803089] [2023-05-20 14:35:01,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771803089] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:35:01,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735444151] [2023-05-20 14:35:01,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 14:35:01,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:35:01,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:35:01,343 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 14:35:01,382 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 14:35:01,564 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 14:35:01,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:35:01,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 14:35:01,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:35:01,722 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:35:01,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:35:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:35:02,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735444151] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:35:02,104 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:35:02,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 7 [2023-05-20 14:35:02,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895469140] [2023-05-20 14:35:02,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:35:02,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 14:35:02,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:35:02,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 14:35:02,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-05-20 14:35:02,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:02,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:35:02,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 45.57142857142857) internal successors, (319), 7 states have internal predecessors, (319), 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 14:35:02,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:02,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:02,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:35:02,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:02,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:02,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:02,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:35:02,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:35:02,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:03,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:35:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:35:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:35:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:03,171 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 14:35:03,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:35:03,361 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:35:03,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:35:03,362 INFO L85 PathProgramCache]: Analyzing trace with hash -809319376, now seen corresponding path program 3 times [2023-05-20 14:35:03,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:35:03,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029052222] [2023-05-20 14:35:03,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:35:03,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:35:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:35:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 14:35:03,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:35:03,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029052222] [2023-05-20 14:35:03,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029052222] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:35:03,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:35:03,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 14:35:03,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318791702] [2023-05-20 14:35:03,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:35:03,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 14:35:03,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:35:03,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 14:35:03,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-05-20 14:35:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:03,887 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:35:03,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.5) internal successors, (188), 8 states have internal predecessors, (188), 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 14:35:03,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:03,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:03,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:35:03,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:03,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:03,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:03,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:35:03,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:35:03,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:03,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:35:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:35:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:35:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:05,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-20 14:35:05,120 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:35:05,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:35:05,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1641380405, now seen corresponding path program 1 times [2023-05-20 14:35:05,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:35:05,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499901408] [2023-05-20 14:35:05,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:35:05,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:35:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:35:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 14:35:05,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:35:05,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499901408] [2023-05-20 14:35:05,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499901408] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:35:05,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248623112] [2023-05-20 14:35:05,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:35:05,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:35:05,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:35:05,401 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 14:35:05,428 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 14:35:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:35:05,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 14:35:05,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:35:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 14:35:05,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:35:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:35:05,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248623112] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:35:05,972 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:35:05,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 7] total 9 [2023-05-20 14:35:05,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142307535] [2023-05-20 14:35:05,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:35:05,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 14:35:05,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:35:05,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 14:35:05,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-05-20 14:35:05,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:05,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:35:05,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 24.77777777777778) internal successors, (223), 9 states have internal predecessors, (223), 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 14:35:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:35:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:35:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:35:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:35:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:35:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:35:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:07,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:35:07,519 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 14:35:07,712 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 14:35:07,713 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:35:07,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:35:07,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1785607359, now seen corresponding path program 1 times [2023-05-20 14:35:07,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:35:07,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914534702] [2023-05-20 14:35:07,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:35:07,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:35:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:35:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:35:07,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:35:07,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914534702] [2023-05-20 14:35:07,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914534702] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:35:07,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374896281] [2023-05-20 14:35:07,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:35:07,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:35:07,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:35:08,014 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 14:35:08,034 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 14:35:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:35:08,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 14:35:08,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:35:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:35:08,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:35:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:35:08,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374896281] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:35:08,696 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:35:08,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 7] total 11 [2023-05-20 14:35:08,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933319409] [2023-05-20 14:35:08,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:35:08,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 14:35:08,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:35:08,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 14:35:08,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-05-20 14:35:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:08,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:35:08,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.636363636363637) internal successors, (238), 11 states have internal predecessors, (238), 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 14:35:08,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:35:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:35:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:35:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:35:08,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:35:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:35:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 14:35:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:35:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:35:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 14:35:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 14:35:10,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:35:10,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 14:35:10,016 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 14:35:10,201 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 14:35:10,201 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:35:10,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:35:10,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1416775300, now seen corresponding path program 1 times [2023-05-20 14:35:10,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:35:10,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043769683] [2023-05-20 14:35:10,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:35:10,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:35:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:35:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:35:16,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:35:16,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043769683] [2023-05-20 14:35:16,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043769683] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:35:16,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287359831] [2023-05-20 14:35:16,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:35:16,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:35:16,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:35:16,329 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 14:35:16,336 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 14:35:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:35:16,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 107 conjunts are in the unsatisfiable core [2023-05-20 14:35:16,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:35:16,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14:35:17,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:35:17,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2023-05-20 14:35:17,701 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 14:35:18,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:35:18,951 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-20 14:35:18,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-05-20 14:35:19,385 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 14:35:20,395 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 14:35:20,598 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 14:35:20,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:35:20,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 14:35:21,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:35:21,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 33 [2023-05-20 14:35:22,115 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:35:22,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 14 [2023-05-20 14:35:22,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:35:22,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:35:27,810 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:35:27,810 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 1 case distinctions, treesize of input 144 treesize of output 108 [2023-05-20 14:35:27,965 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:35:27,972 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 29440108 treesize of output 29177464 [2023-05-20 14:36:20,015 WARN L233 SmtUtils]: Spent 52.04s on a formula simplification that was a NOOP. DAG size: 3897 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-20 14:36:20,289 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:36:20,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 29163510 treesize of output 22872070 [2023-05-20 14:37:10,197 WARN L233 SmtUtils]: Spent 49.90s on a formula simplification that was a NOOP. DAG size: 3900 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-20 14:37:10,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:37:10,458 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:37:10,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22885996 treesize of output 22098456 [2023-05-20 14:38:00,501 WARN L233 SmtUtils]: Spent 50.03s on a formula simplification that was a NOOP. DAG size: 3909 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-20 14:38:00,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:38:00,726 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:38:00,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22098412 treesize of output 20523288 [2023-05-20 14:38:50,822 WARN L233 SmtUtils]: Spent 50.09s on a formula simplification that was a NOOP. DAG size: 3916 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-20 14:38:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:38:51,060 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:38:51,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20523244 treesize of output 17375996 [2023-05-20 14:39:41,164 WARN L233 SmtUtils]: Spent 50.09s on a formula simplification that was a NOOP. DAG size: 3917 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-20 14:39:41,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:39:41,406 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:39:41,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 17375980 treesize of output 16785432 [2023-05-20 14:40:31,580 WARN L233 SmtUtils]: Spent 50.17s on a formula simplification that was a NOOP. DAG size: 3924 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-20 14:47:26,589 WARN L233 SmtUtils]: Spent 4.14m on a formula simplification. DAG size of input: 3654 DAG size of output: 3654 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-05-20 14:49:05,872 WARN L249 SmtUtils]: Removed 1 from assertion stack [2023-05-20 14:49:05,873 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-20 14:49:05,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-20 14:49:05,898 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 14:49:05,898 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 14:49:05,898 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 14:49:06,073 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 14:49:06,074 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 195 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2023-05-20 14:49:06,075 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-20 14:49:06,075 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-20 14:49:06,076 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-20 14:49:06,076 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-20 14:49:06,079 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-05-20 14:49:06,081 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 14:49:06,082 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 14:49:06,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 02:49:06 BasicIcfg [2023-05-20 14:49:06,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 14:49:06,084 INFO L158 Benchmark]: Toolchain (without parser) took 856862.89ms. Allocated memory was 200.3MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 140.5MB in the beginning and 809.7MB in the end (delta: -669.2MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-05-20 14:49:06,084 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 14:49:06,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.55ms. Allocated memory was 200.3MB in the beginning and 289.4MB in the end (delta: 89.1MB). Free memory was 140.3MB in the beginning and 257.8MB in the end (delta: -117.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-20 14:49:06,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.78ms. Allocated memory is still 289.4MB. Free memory was 257.8MB in the beginning and 255.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 14:49:06,085 INFO L158 Benchmark]: Boogie Preprocessor took 33.44ms. Allocated memory is still 289.4MB. Free memory was 255.2MB in the beginning and 253.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 14:49:06,085 INFO L158 Benchmark]: RCFGBuilder took 761.09ms. Allocated memory is still 289.4MB. Free memory was 253.1MB in the beginning and 206.4MB in the end (delta: 46.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2023-05-20 14:49:06,085 INFO L158 Benchmark]: TraceAbstraction took 855715.93ms. Allocated memory was 289.4MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 204.8MB in the beginning and 809.7MB in the end (delta: -604.9MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-05-20 14:49:06,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 300.55ms. Allocated memory was 200.3MB in the beginning and 289.4MB in the end (delta: 89.1MB). Free memory was 140.3MB in the beginning and 257.8MB in the end (delta: -117.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.78ms. Allocated memory is still 289.4MB. Free memory was 257.8MB in the beginning and 255.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.44ms. Allocated memory is still 289.4MB. Free memory was 255.2MB in the beginning and 253.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 761.09ms. Allocated memory is still 289.4MB. Free memory was 253.1MB in the beginning and 206.4MB in the end (delta: 46.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * TraceAbstraction took 855715.93ms. Allocated memory was 289.4MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 204.8MB in the beginning and 809.7MB in the end (delta: -604.9MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1107177, independent: 1072736, independent conditional: 1069374, independent unconditional: 3362, dependent: 34441, dependent conditional: 34397, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1077531, independent: 1072736, independent conditional: 1069374, independent unconditional: 3362, dependent: 4795, dependent conditional: 4751, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1077531, independent: 1072736, independent conditional: 1069374, independent unconditional: 3362, dependent: 4795, dependent conditional: 4751, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1113307, independent: 1072736, independent conditional: 6182, independent unconditional: 1066554, dependent: 40571, dependent conditional: 29594, dependent unconditional: 10977, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1113307, independent: 1072736, independent conditional: 6182, independent unconditional: 1066554, dependent: 40571, dependent conditional: 12651, dependent unconditional: 27920, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1113307, independent: 1072736, independent conditional: 6182, independent unconditional: 1066554, dependent: 40571, dependent conditional: 12651, dependent unconditional: 27920, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3190, independent: 2995, independent conditional: 30, independent unconditional: 2965, dependent: 195, dependent conditional: 151, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3190, independent: 2960, independent conditional: 0, independent unconditional: 2960, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 230, independent: 35, independent conditional: 30, independent unconditional: 5, dependent: 195, dependent conditional: 151, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, independent: 35, independent conditional: 30, independent unconditional: 5, dependent: 195, dependent conditional: 151, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 930, independent: 217, independent conditional: 147, independent unconditional: 70, dependent: 713, dependent conditional: 526, dependent unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1113307, independent: 1069741, independent conditional: 6152, independent unconditional: 1063589, dependent: 40376, dependent conditional: 12500, dependent unconditional: 27876, unknown: 3190, unknown conditional: 181, unknown unconditional: 3009] , Statistics on independence cache: Total cache size (in pairs): 3190, Positive cache size: 2995, Positive conditional cache size: 30, Positive unconditional cache size: 2965, Negative cache size: 195, Negative conditional cache size: 151, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16943, Maximal queried relation: 10, Independence queries for same thread: 29646 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.8s, Number of persistent set computation: 7040, Number of trivial persistent sets: 5897, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3406, independent: 3362, independent conditional: 0, independent unconditional: 3362, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1107177, independent: 1072736, independent conditional: 1069374, independent unconditional: 3362, dependent: 34441, dependent conditional: 34397, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1077531, independent: 1072736, independent conditional: 1069374, independent unconditional: 3362, dependent: 4795, dependent conditional: 4751, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1077531, independent: 1072736, independent conditional: 1069374, independent unconditional: 3362, dependent: 4795, dependent conditional: 4751, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1113307, independent: 1072736, independent conditional: 6182, independent unconditional: 1066554, dependent: 40571, dependent conditional: 29594, dependent unconditional: 10977, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1113307, independent: 1072736, independent conditional: 6182, independent unconditional: 1066554, dependent: 40571, dependent conditional: 12651, dependent unconditional: 27920, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1113307, independent: 1072736, independent conditional: 6182, independent unconditional: 1066554, dependent: 40571, dependent conditional: 12651, dependent unconditional: 27920, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3190, independent: 2995, independent conditional: 30, independent unconditional: 2965, dependent: 195, dependent conditional: 151, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3190, independent: 2960, independent conditional: 0, independent unconditional: 2960, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 230, independent: 35, independent conditional: 30, independent unconditional: 5, dependent: 195, dependent conditional: 151, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 230, independent: 35, independent conditional: 30, independent unconditional: 5, dependent: 195, dependent conditional: 151, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 930, independent: 217, independent conditional: 147, independent unconditional: 70, dependent: 713, dependent conditional: 526, dependent unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1113307, independent: 1069741, independent conditional: 6152, independent unconditional: 1063589, dependent: 40376, dependent conditional: 12500, dependent unconditional: 27876, unknown: 3190, unknown conditional: 181, unknown unconditional: 3009] , Statistics on independence cache: Total cache size (in pairs): 3190, Positive cache size: 2995, Positive conditional cache size: 30, Positive unconditional cache size: 2965, Negative cache size: 195, Negative conditional cache size: 151, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16943, Maximal queried relation: 10, Independence queries for same thread: 29646 - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 195 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 140]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 195 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 141]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 195 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 195 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 195 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 244 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 855.5s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 10.8s, 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: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 3150 NumberOfCodeBlocks, 3150 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4079 ConstructedInterpolants, 0 QuantifiedInterpolants, 13723 SizeOfPredicates, 27 NumberOfNonLiveVariables, 2481 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 22 InterpolantComputations, 7 PerfectInterpolantSequences, 135/164 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown