/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 20:02:12,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 20:02:12,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 20:02:12,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-23 20:02:12,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 20:02:12,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 20:02:12,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 20:02:12,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 20:02:12,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 20:02:12,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 20:02:12,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 20:02:12,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 20:02:12,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 20:02:12,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 20:02:12,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 20:02:12,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 20:02:12,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-23 20:02:12,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 20:02:12,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 20:02:12,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 20:02:12,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 20:02:12,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 20:02:12,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 20:02:12,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 20:02:12,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 20:02:12,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 20:02:12,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 20:02:12,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 20:02:12,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 20:02:12,537 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 20:02:12,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 20:02:12,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 20:02:12,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 20:02:12,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 20:02:12,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 20:02:12,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 20:02:12,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 20:02:12,540 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 20:02:12,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 20:02:12,541 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 20:02:12,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 20:02:12,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 20:02:12,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 20:02:12,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 20:02:12,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 20:02:12,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 20:02:12,542 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 20:02:12,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 20:02:12,542 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 20:02:12,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 20:02:12,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 20:02:12,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 20:02:12,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 20:02:12,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 20:02:12,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 20:02:12,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 20:02:12,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 20:02:12,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 20:02:12,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 20:02:12,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 20:02:12,544 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 20:02:12,544 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 20:02:12,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 20:02:12,544 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 20:02:12,544 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 20:02:12,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 20:02:12,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 20:02:12,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 20:02:12,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 20:02:12,789 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 20:02:12,790 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 20:02:12,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2023-03-23 20:02:13,843 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 20:02:14,083 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 20:02:14,083 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2023-03-23 20:02:14,091 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/042432236/bf46faf262f04c31abeffd9e8e47e8fc/FLAG3823b03be [2023-03-23 20:02:14,106 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/042432236/bf46faf262f04c31abeffd9e8e47e8fc [2023-03-23 20:02:14,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 20:02:14,110 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 20:02:14,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 20:02:14,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 20:02:14,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 20:02:14,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11aff06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14, skipping insertion in model container [2023-03-23 20:02:14,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 20:02:14,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 20:02:14,351 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c[4085,4098] [2023-03-23 20:02:14,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 20:02:14,374 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 20:02:14,412 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c[4085,4098] [2023-03-23 20:02:14,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 20:02:14,430 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 20:02:14,430 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 20:02:14,436 INFO L208 MainTranslator]: Completed translation [2023-03-23 20:02:14,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14 WrapperNode [2023-03-23 20:02:14,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 20:02:14,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 20:02:14,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 20:02:14,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 20:02:14,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,502 INFO L138 Inliner]: procedures = 25, calls = 63, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 327 [2023-03-23 20:02:14,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 20:02:14,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 20:02:14,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 20:02:14,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 20:02:14,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,548 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 20:02:14,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 20:02:14,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 20:02:14,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 20:02:14,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (1/1) ... [2023-03-23 20:02:14,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 20:02:14,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:02:14,610 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) [2023-03-23 20:02:14,625 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 [2023-03-23 20:02:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 20:02:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 20:02:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 20:02:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 20:02:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 20:02:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 20:02:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 20:02:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 20:02:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-03-23 20:02:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-03-23 20:02:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 20:02:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 20:02:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 20:02:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 20:02:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 20:02:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 20:02:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 20:02:14,647 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 20:02:14,776 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 20:02:14,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 20:02:15,240 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 20:02:15,391 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 20:02:15,391 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-03-23 20:02:15,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 08:02:15 BoogieIcfgContainer [2023-03-23 20:02:15,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 20:02:15,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 20:02:15,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 20:02:15,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 20:02:15,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 08:02:14" (1/3) ... [2023-03-23 20:02:15,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227d254d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 08:02:15, skipping insertion in model container [2023-03-23 20:02:15,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:02:14" (2/3) ... [2023-03-23 20:02:15,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227d254d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 08:02:15, skipping insertion in model container [2023-03-23 20:02:15,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 08:02:15" (3/3) ... [2023-03-23 20:02:15,401 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring-nondet.wvr.c [2023-03-23 20:02:15,408 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 20:02:15,416 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 20:02:15,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 20:02:15,416 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 20:02:15,501 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-03-23 20:02:15,551 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:02:15,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 20:02:15,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:02:15,554 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) [2023-03-23 20:02:15,556 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 [2023-03-23 20:02:15,589 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 20:02:15,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 20:02:15,612 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;@2034f9cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:02:15,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-03-23 20:02:15,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:02:15,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:02:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash -416521316, now seen corresponding path program 1 times [2023-03-23 20:02:15,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:02:15,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885162495] [2023-03-23 20:02:15,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:02:15,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:02:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:02:16,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 20:02:16,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:02:16,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885162495] [2023-03-23 20:02:16,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885162495] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:02:16,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:02:16,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 20:02:16,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779955033] [2023-03-23 20:02:16,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:02:16,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 20:02:16,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:02:16,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 20:02:16,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 20:02:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:16,340 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:02:16,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 102.5) internal successors, (205), 2 states have internal predecessors, (205), 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) [2023-03-23 20:02:16,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:16,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:16,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 20:02:16,415 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:02:16,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:02:16,415 INFO L85 PathProgramCache]: Analyzing trace with hash 614730521, now seen corresponding path program 1 times [2023-03-23 20:02:16,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:02:16,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007268228] [2023-03-23 20:02:16,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:02:16,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:02:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:02:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 20:02:17,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:02:17,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007268228] [2023-03-23 20:02:17,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007268228] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:02:17,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:02:17,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-23 20:02:17,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599733537] [2023-03-23 20:02:17,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:02:17,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-23 20:02:17,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:02:17,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-23 20:02:17,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-03-23 20:02:17,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:17,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:02:17,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 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) [2023-03-23 20:02:17,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:17,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:17,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:17,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:17,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 20:02:17,447 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:02:17,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:02:17,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1898826046, now seen corresponding path program 1 times [2023-03-23 20:02:17,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:02:17,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124385709] [2023-03-23 20:02:17,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:02:17,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:02:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:02:17,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 20:02:17,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:02:17,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124385709] [2023-03-23 20:02:17,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124385709] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:02:17,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:02:17,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 20:02:17,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711149634] [2023-03-23 20:02:17,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:02:17,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 20:02:17,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:02:17,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 20:02:17,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 20:02:17,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:17,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:02:17,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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) [2023-03-23 20:02:17,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:17,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:17,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:17,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-23 20:02:17,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:02:17,926 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:02:17,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1494541548, now seen corresponding path program 2 times [2023-03-23 20:02:17,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:02:17,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949585642] [2023-03-23 20:02:17,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:02:17,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:02:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:02:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-03-23 20:02:18,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:02:18,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949585642] [2023-03-23 20:02:18,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949585642] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:02:18,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:02:18,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 20:02:18,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432593399] [2023-03-23 20:02:18,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:02:18,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 20:02:18,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:02:18,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 20:02:18,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-23 20:02:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:18,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:02:18,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.833333333333336) internal successors, (209), 6 states have internal predecessors, (209), 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) [2023-03-23 20:02:18,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:18,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:18,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:18,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:18,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:18,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:18,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:18,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:18,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-23 20:02:18,632 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:02:18,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:02:18,633 INFO L85 PathProgramCache]: Analyzing trace with hash -101688079, now seen corresponding path program 1 times [2023-03-23 20:02:18,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:02:18,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378766233] [2023-03-23 20:02:18,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:02:18,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:02:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:02:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-23 20:02:19,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:02:19,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378766233] [2023-03-23 20:02:19,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378766233] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:02:19,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:02:19,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 20:02:19,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957123400] [2023-03-23 20:02:19,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:02:19,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 20:02:19,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:02:19,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 20:02:19,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-23 20:02:19,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:19,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:02:19,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.166666666666664) internal successors, (217), 6 states have internal predecessors, (217), 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) [2023-03-23 20:02:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:19,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:19,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-23 20:02:19,216 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:02:19,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:02:19,216 INFO L85 PathProgramCache]: Analyzing trace with hash 613418390, now seen corresponding path program 1 times [2023-03-23 20:02:19,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:02:19,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880264464] [2023-03-23 20:02:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:02:19,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:02:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:02:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-03-23 20:02:19,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:02:19,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880264464] [2023-03-23 20:02:19,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880264464] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:02:19,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:02:19,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-23 20:02:19,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458662113] [2023-03-23 20:02:19,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:02:19,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-23 20:02:19,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:02:19,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-23 20:02:19,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-23 20:02:19,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:19,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:02:19,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.0) internal successors, (220), 5 states have internal predecessors, (220), 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) [2023-03-23 20:02:19,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:19,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:19,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:19,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:19,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:19,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:19,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 20:02:19,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-23 20:02:19,525 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:02:19,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:02:19,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1799314550, now seen corresponding path program 1 times [2023-03-23 20:02:19,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:02:19,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052032471] [2023-03-23 20:02:19,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:02:19,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:02:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:02:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-03-23 20:02:19,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:02:19,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052032471] [2023-03-23 20:02:19,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052032471] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 20:02:19,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112596587] [2023-03-23 20:02:19,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:02:19,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:02:19,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:02:19,674 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) [2023-03-23 20:02:19,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-23 20:02:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:02:19,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 7 conjunts are in the unsatisfiable core [2023-03-23 20:02:19,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 20:02:20,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2023-03-23 20:02:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-03-23 20:02:20,025 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 20:02:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-03-23 20:02:20,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112596587] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 20:02:20,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 20:02:20,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2023-03-23 20:02:20,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914360268] [2023-03-23 20:02:20,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 20:02:20,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 20:02:20,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:02:20,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 20:02:20,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-23 20:02:20,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:20,105 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:02:20,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.666666666666664) internal successors, (238), 6 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) [2023-03-23 20:02:20,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:20,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:20,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:20,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:20,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:20,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 20:02:20,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 20:02:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 20:02:20,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-23 20:02:20,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-03-23 20:02:20,416 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:02:20,416 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:02:20,416 INFO L85 PathProgramCache]: Analyzing trace with hash -114194554, now seen corresponding path program 2 times [2023-03-23 20:02:20,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:02:20,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244662691] [2023-03-23 20:02:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:02:20,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:02:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:02:20,514 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-03-23 20:02:20,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:02:20,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244662691] [2023-03-23 20:02:20,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244662691] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:02:20,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:02:20,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 20:02:20,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029295907] [2023-03-23 20:02:20,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:02:20,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 20:02:20,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:02:20,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 20:02:20,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 20:02:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:20,516 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:02:20,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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) [2023-03-23 20:02:20,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:20,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:20,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:20,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:20,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:20,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 20:02:20,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 20:02:20,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:22,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:22,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-23 20:02:22,773 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:02:22,773 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:02:22,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1660564470, now seen corresponding path program 3 times [2023-03-23 20:02:22,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:02:22,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874083827] [2023-03-23 20:02:22,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:02:22,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:02:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:02:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-23 20:02:23,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:02:23,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874083827] [2023-03-23 20:02:23,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874083827] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 20:02:23,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852440529] [2023-03-23 20:02:23,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 20:02:23,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:02:23,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:02:23,186 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) [2023-03-23 20:02:23,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-23 20:02:23,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-03-23 20:02:23,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 20:02:23,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 19 conjunts are in the unsatisfiable core [2023-03-23 20:02:23,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 20:02:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-03-23 20:02:23,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 20:02:23,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2023-03-23 20:02:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-03-23 20:02:24,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852440529] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 20:02:24,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 20:02:24,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 28 [2023-03-23 20:02:24,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961512605] [2023-03-23 20:02:24,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 20:02:24,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-03-23 20:02:24,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:02:24,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-03-23 20:02:24,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2023-03-23 20:02:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:24,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:02:24,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 21.142857142857142) internal successors, (592), 28 states have internal predecessors, (592), 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) [2023-03-23 20:02:24,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:24,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:24,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:24,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:24,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:24,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:24,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:24,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:24,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:27,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:27,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:27,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:27,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:27,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:27,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:27,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:27,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:27,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 20:02:27,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-23 20:02:27,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:02:27,846 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-03-23 20:02:27,846 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:02:27,846 INFO L85 PathProgramCache]: Analyzing trace with hash 167949200, now seen corresponding path program 4 times [2023-03-23 20:02:27,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:02:27,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791327516] [2023-03-23 20:02:27,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:02:27,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:02:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:02:28,518 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-23 20:02:28,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:02:28,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791327516] [2023-03-23 20:02:28,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791327516] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 20:02:28,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813198559] [2023-03-23 20:02:28,518 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-03-23 20:02:28,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:02:28,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:02:28,520 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) [2023-03-23 20:02:28,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-23 20:02:28,692 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-03-23 20:02:28,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 20:02:28,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 20 conjunts are in the unsatisfiable core [2023-03-23 20:02:28,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 20:02:28,710 INFO L350 Elim1Store]: Elim1 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 [2023-03-23 20:02:28,729 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-03-23 20:02:28,729 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 11 [2023-03-23 20:02:29,043 INFO L321 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2023-03-23 20:02:29,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 34 [2023-03-23 20:02:29,142 INFO L321 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2023-03-23 20:02:29,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 28 treesize of output 39 [2023-03-23 20:02:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-03-23 20:02:29,317 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 20:02:29,805 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-03-23 20:02:29,805 INFO L350 Elim1Store]: Elim1 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 335 treesize of output 303 [2023-03-23 20:02:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 17 proven. 15 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-03-23 20:02:29,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813198559] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 20:02:29,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 20:02:29,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 10] total 29 [2023-03-23 20:02:29,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607115160] [2023-03-23 20:02:29,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 20:02:29,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-03-23 20:02:29,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:02:30,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-03-23 20:02:30,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2023-03-23 20:02:30,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:30,000 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:02:30,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 20.82758620689655) internal successors, (604), 29 states have internal predecessors, (604), 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) [2023-03-23 20:02:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 20:02:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:30,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:30,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 20:02:30,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:02:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 20:02:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 20:02:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:44,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:44,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 20:02:44,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:02:44,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-03-23 20:02:44,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-03-23 20:02:44,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-03-23 20:02:44,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-03-23 20:02:44,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-03-23 20:02:44,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-03-23 20:02:44,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-23 20:02:44,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 20:02:44,859 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1] [2023-03-23 20:02:44,861 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 20:02:44,861 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 20:02:44,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 08:02:44 BasicIcfg [2023-03-23 20:02:44,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 20:02:44,864 INFO L158 Benchmark]: Toolchain (without parser) took 30754.03ms. Allocated memory was 246.4MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 210.8MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 929.6MB. Max. memory is 8.0GB. [2023-03-23 20:02:44,864 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 198.2MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 20:02:44,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.12ms. Allocated memory is still 246.4MB. Free memory was 210.8MB in the beginning and 198.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-23 20:02:44,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.66ms. Allocated memory is still 246.4MB. Free memory was 198.0MB in the beginning and 195.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-23 20:02:44,865 INFO L158 Benchmark]: Boogie Preprocessor took 49.73ms. Allocated memory is still 246.4MB. Free memory was 195.4MB in the beginning and 193.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 20:02:44,865 INFO L158 Benchmark]: RCFGBuilder took 839.99ms. Allocated memory is still 246.4MB. Free memory was 193.3MB in the beginning and 150.3MB in the end (delta: 43.0MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2023-03-23 20:02:44,865 INFO L158 Benchmark]: TraceAbstraction took 29467.73ms. Allocated memory was 246.4MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 149.8MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 868.8MB. Max. memory is 8.0GB. [2023-03-23 20:02:44,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 198.2MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 326.12ms. Allocated memory is still 246.4MB. Free memory was 210.8MB in the beginning and 198.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.66ms. Allocated memory is still 246.4MB. Free memory was 198.0MB in the beginning and 195.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.73ms. Allocated memory is still 246.4MB. Free memory was 195.4MB in the beginning and 193.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 839.99ms. Allocated memory is still 246.4MB. Free memory was 193.3MB in the beginning and 150.3MB in the end (delta: 43.0MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * TraceAbstraction took 29467.73ms. Allocated memory was 246.4MB in the beginning and 3.2GB in the end (delta: 2.9GB). Free memory was 149.8MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 868.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2076042, independent: 1857855, independent conditional: 1852740, independent unconditional: 5115, dependent: 218187, dependent conditional: 218153, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1860691, independent: 1857855, independent conditional: 1852740, independent unconditional: 5115, dependent: 2836, dependent conditional: 2802, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1860691, independent: 1857855, independent conditional: 1852740, independent unconditional: 5115, dependent: 2836, dependent conditional: 2802, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1881641, independent: 1857855, independent conditional: 2846, independent unconditional: 1855009, dependent: 23786, dependent conditional: 18104, dependent unconditional: 5682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1881641, independent: 1857855, independent conditional: 2846, independent unconditional: 1855009, dependent: 23786, dependent conditional: 9468, dependent unconditional: 14318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1881641, independent: 1857855, independent conditional: 2846, independent unconditional: 1855009, dependent: 23786, dependent conditional: 9468, dependent unconditional: 14318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4024, independent: 3913, independent conditional: 59, independent unconditional: 3854, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4024, independent: 3849, independent conditional: 0, independent unconditional: 3849, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 64, independent conditional: 59, independent unconditional: 5, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 64, independent conditional: 59, independent unconditional: 5, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 864, independent: 257, independent conditional: 207, independent unconditional: 50, dependent: 606, dependent conditional: 424, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1881641, independent: 1853942, independent conditional: 2787, independent unconditional: 1851155, dependent: 23675, dependent conditional: 9391, dependent unconditional: 14284, unknown: 4024, unknown conditional: 136, unknown unconditional: 3888] , Statistics on independence cache: Total cache size (in pairs): 4024, Positive cache size: 3913, Positive conditional cache size: 59, Positive unconditional cache size: 3854, Negative cache size: 111, Negative conditional cache size: 77, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8636, Maximal queried relation: 8, Independence queries for same thread: 215351 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.8s, Number of persistent set computation: 8120, Number of trivial persistent sets: 7871, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5149, independent: 5115, independent conditional: 0, independent unconditional: 5115, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2076042, independent: 1857855, independent conditional: 1852740, independent unconditional: 5115, dependent: 218187, dependent conditional: 218153, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1860691, independent: 1857855, independent conditional: 1852740, independent unconditional: 5115, dependent: 2836, dependent conditional: 2802, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1860691, independent: 1857855, independent conditional: 1852740, independent unconditional: 5115, dependent: 2836, dependent conditional: 2802, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1881641, independent: 1857855, independent conditional: 2846, independent unconditional: 1855009, dependent: 23786, dependent conditional: 18104, dependent unconditional: 5682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1881641, independent: 1857855, independent conditional: 2846, independent unconditional: 1855009, dependent: 23786, dependent conditional: 9468, dependent unconditional: 14318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1881641, independent: 1857855, independent conditional: 2846, independent unconditional: 1855009, dependent: 23786, dependent conditional: 9468, dependent unconditional: 14318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4024, independent: 3913, independent conditional: 59, independent unconditional: 3854, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4024, independent: 3849, independent conditional: 0, independent unconditional: 3849, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 64, independent conditional: 59, independent unconditional: 5, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 64, independent conditional: 59, independent unconditional: 5, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 864, independent: 257, independent conditional: 207, independent unconditional: 50, dependent: 606, dependent conditional: 424, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1881641, independent: 1853942, independent conditional: 2787, independent unconditional: 1851155, dependent: 23675, dependent conditional: 9391, dependent unconditional: 14284, unknown: 4024, unknown conditional: 136, unknown unconditional: 3888] , Statistics on independence cache: Total cache size (in pairs): 4024, Positive cache size: 3913, Positive conditional cache size: 59, Positive unconditional cache size: 3854, Negative cache size: 111, Negative conditional cache size: 77, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8636, Maximal queried relation: 8, Independence queries for same thread: 215351 - PositiveResult [Line: 156]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 287 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 29.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 21.1s, 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: 177, 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, 5.8s InterpolantComputationTime, 3008 NumberOfCodeBlocks, 2956 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3737 ConstructedInterpolants, 7 QuantifiedInterpolants, 11204 SizeOfPredicates, 38 NumberOfNonLiveVariables, 1592 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 408/478 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-03-23 20:02:44,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-03-23 20:02:45,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...