/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.partial.order.reduction.in.concurrent.analysis DPOR_SLEEP_NEW_STATES -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 21:40:16,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 21:40:16,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 21:40:16,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 21:40:16,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 21:40:16,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 21:40:16,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 21:40:16,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 21:40:16,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 21:40:16,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 21:40:16,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 21:40:16,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 21:40:16,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 21:40:16,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 21:40:16,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 21:40:16,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 21:40:16,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 21:40:16,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 21:40:16,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 21:40:16,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 21:40:16,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 21:40:16,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 21:40:16,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 21:40:16,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 21:40:16,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 21:40:16,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 21:40:16,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 21:40:16,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 21:40:16,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 21:40:16,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 21:40:16,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 21:40:16,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 21:40:16,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 21:40:16,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 21:40:16,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 21:40:16,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 21:40:16,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 21:40:16,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 21:40:16,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 21:40:16,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 21:40:16,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 21:40:16,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 21:40:16,760 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 21:40:16,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 21:40:16,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 21:40:16,761 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 21:40:16,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 21:40:16,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 21:40:16,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 21:40:16,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 21:40:16,763 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 21:40:16,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 21:40:16,764 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 21:40:16,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 21:40:16,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 21:40:16,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 21:40:16,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 21:40:16,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 21:40:16,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 21:40:16,765 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 21:40:16,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 21:40:16,765 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 21:40:16,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 21:40:16,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 21:40:16,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 21:40:16,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 21:40:16,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 21:40:16,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:40:16,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 21:40:16,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 21:40:16,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 21:40:16,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 21:40:16,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 21:40:16,767 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 21:40:16,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 21:40:16,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 21:40:16,767 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 21:40:16,767 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 21:40:16,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 21:40:16,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 21:40:17,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 21:40:17,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 21:40:17,013 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 21:40:17,014 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 21:40:17,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2023-03-23 21:40:18,115 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 21:40:18,299 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 21:40:18,299 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2023-03-23 21:40:18,306 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8571d2221/1bef273ec3c04d2ea3106778c24b24d5/FLAG4e692936d [2023-03-23 21:40:18,324 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8571d2221/1bef273ec3c04d2ea3106778c24b24d5 [2023-03-23 21:40:18,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 21:40:18,328 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 21:40:18,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 21:40:18,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 21:40:18,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 21:40:18,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a16c0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18, skipping insertion in model container [2023-03-23 21:40:18,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 21:40:18,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 21:40:18,498 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-figure3.wvr.c[2121,2134] [2023-03-23 21:40:18,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:40:18,509 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 21:40:18,525 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-figure3.wvr.c[2121,2134] [2023-03-23 21:40:18,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:40:18,532 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:40:18,533 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:40:18,538 INFO L208 MainTranslator]: Completed translation [2023-03-23 21:40:18,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18 WrapperNode [2023-03-23 21:40:18,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 21:40:18,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 21:40:18,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 21:40:18,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 21:40:18,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,565 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2023-03-23 21:40:18,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 21:40:18,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 21:40:18,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 21:40:18,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 21:40:18,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,584 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 21:40:18,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 21:40:18,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 21:40:18,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 21:40:18,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (1/1) ... [2023-03-23 21:40:18,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:40:18,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:18,618 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 21:40:18,623 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 21:40:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 21:40:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 21:40:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 21:40:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 21:40:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 21:40:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 21:40:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 21:40:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 21:40:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 21:40:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 21:40:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 21:40:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 21:40:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 21:40:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 21:40:18,654 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 21:40:18,724 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 21:40:18,726 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 21:40:18,862 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 21:40:18,886 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 21:40:18,887 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-03-23 21:40:18,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:40:18 BoogieIcfgContainer [2023-03-23 21:40:18,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 21:40:18,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 21:40:18,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 21:40:18,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 21:40:18,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 09:40:18" (1/3) ... [2023-03-23 21:40:18,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426bb590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:40:18, skipping insertion in model container [2023-03-23 21:40:18,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:40:18" (2/3) ... [2023-03-23 21:40:18,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426bb590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:40:18, skipping insertion in model container [2023-03-23 21:40:18,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:40:18" (3/3) ... [2023-03-23 21:40:18,896 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2023-03-23 21:40:18,919 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 21:40:18,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 21:40:18,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 21:40:18,928 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 21:40:18,999 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-03-23 21:40:19,045 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:40:19,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 21:40:19,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:19,046 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 21:40:19,049 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 21:40:19,082 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 21:40:19,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 21:40:19,096 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;@40e2ef13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:40:19,096 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-03-23 21:40:19,502 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:40:19,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:19,510 INFO L85 PathProgramCache]: Analyzing trace with hash -2046231129, now seen corresponding path program 1 times [2023-03-23 21:40:19,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:19,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922147514] [2023-03-23 21:40:19,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:19,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:19,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:40:19,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:19,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922147514] [2023-03-23 21:40:19,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922147514] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:40:19,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:40:19,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 21:40:19,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363802966] [2023-03-23 21:40:19,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:40:19,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 21:40:19,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:19,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 21:40:19,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 21:40:19,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:19,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:19,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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 21:40:19,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:19,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:19,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 21:40:19,942 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:40:19,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:19,944 INFO L85 PathProgramCache]: Analyzing trace with hash 840039656, now seen corresponding path program 1 times [2023-03-23 21:40:19,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:19,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664474961] [2023-03-23 21:40:19,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:19,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:20,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:20,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664474961] [2023-03-23 21:40:20,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664474961] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:40:20,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:40:20,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 21:40:20,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320435852] [2023-03-23 21:40:20,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:40:20,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 21:40:20,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:20,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 21:40:20,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 21:40:20,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:20,364 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:20,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 21:40:20,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:20,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:20,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:20,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:40:20,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 21:40:20,438 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:40:20,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:20,439 INFO L85 PathProgramCache]: Analyzing trace with hash -17891914, now seen corresponding path program 2 times [2023-03-23 21:40:20,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:20,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951330713] [2023-03-23 21:40:20,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:20,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:20,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:20,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951330713] [2023-03-23 21:40:20,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951330713] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:40:20,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203266310] [2023-03-23 21:40:20,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 21:40:20,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:20,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:20,863 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 21:40:20,865 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 21:40:20,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 21:40:20,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:40:20,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 14 conjunts are in the unsatisfiable core [2023-03-23 21:40:20,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:40:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:21,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:40:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:21,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203266310] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:40:21,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:40:21,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2023-03-23 21:40:21,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465979981] [2023-03-23 21:40:21,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:40:21,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-03-23 21:40:21,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:21,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-03-23 21:40:21,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-03-23 21:40:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:21,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:21,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.1875) internal successors, (99), 16 states have internal predecessors, (99), 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 21:40:21,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:21,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:40:21,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:22,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:22,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:40:22,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:22,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-23 21:40:22,355 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,SelfDestructingSolverStorable2 [2023-03-23 21:40:22,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:40:22,356 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:22,356 INFO L85 PathProgramCache]: Analyzing trace with hash 87273194, now seen corresponding path program 3 times [2023-03-23 21:40:22,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:22,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965578309] [2023-03-23 21:40:22,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:22,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:22,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:22,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965578309] [2023-03-23 21:40:22,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965578309] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:40:22,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548790778] [2023-03-23 21:40:22,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 21:40:22,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:22,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:22,765 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 21:40:22,775 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 21:40:22,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-03-23 21:40:22,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:40:22,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 22 conjunts are in the unsatisfiable core [2023-03-23 21:40:22,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:40:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:23,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:40:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:23,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548790778] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:40:23,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:40:23,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 25 [2023-03-23 21:40:23,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757921302] [2023-03-23 21:40:23,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:40:23,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-03-23 21:40:23,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:23,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-03-23 21:40:23,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2023-03-23 21:40:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:23,323 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:23,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.88) internal successors, (122), 25 states have internal predecessors, (122), 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 21:40:23,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:23,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:40:23,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:23,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:24,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:24,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:40:24,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:24,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:24,227 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 21:40:24,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:24,421 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:40:24,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:24,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1072807790, now seen corresponding path program 4 times [2023-03-23 21:40:24,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:24,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863584126] [2023-03-23 21:40:24,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:24,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:24,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:24,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863584126] [2023-03-23 21:40:24,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863584126] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:40:24,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279545391] [2023-03-23 21:40:24,930 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-03-23 21:40:24,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:24,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:24,932 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 21:40:24,935 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 21:40:25,028 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-03-23 21:40:25,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:40:25,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 30 conjunts are in the unsatisfiable core [2023-03-23 21:40:25,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:40:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:25,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:40:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:25,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279545391] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:40:25,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:40:25,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 32 [2023-03-23 21:40:25,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20995454] [2023-03-23 21:40:25,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:40:25,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-03-23 21:40:25,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:25,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-03-23 21:40:25,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=891, Unknown=0, NotChecked=0, Total=992 [2023-03-23 21:40:25,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:25,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:25,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.03125) internal successors, (129), 32 states have internal predecessors, (129), 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 21:40:25,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:25,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:40:25,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:25,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:25,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:40:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:27,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:27,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:27,509 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 21:40:27,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:27,707 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:40:27,707 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:27,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1302102272, now seen corresponding path program 5 times [2023-03-23 21:40:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:27,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482012551] [2023-03-23 21:40:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:27,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:28,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:28,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482012551] [2023-03-23 21:40:28,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482012551] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:40:28,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408486725] [2023-03-23 21:40:28,543 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-03-23 21:40:28,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:28,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:28,545 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:40:28,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-23 21:40:29,031 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-03-23 21:40:29,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:40:29,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 40 conjunts are in the unsatisfiable core [2023-03-23 21:40:29,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:40:29,462 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-23 21:40:29,462 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:40:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-23 21:40:30,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408486725] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:40:30,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:40:30,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 21] total 53 [2023-03-23 21:40:30,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337019302] [2023-03-23 21:40:30,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:40:30,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-03-23 21:40:30,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:30,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-03-23 21:40:30,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=2517, Unknown=0, NotChecked=0, Total=2756 [2023-03-23 21:40:30,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:30,151 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:30,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 3.509433962264151) internal successors, (186), 53 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 21:40:30,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:30,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:40:30,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:30,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:30,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:30,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:40:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:34,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:34,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 21:40:34,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-23 21:40:34,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:34,862 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:40:34,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:34,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1395068210, now seen corresponding path program 6 times [2023-03-23 21:40:34,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:34,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138686167] [2023-03-23 21:40:34,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:34,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:36,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:36,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138686167] [2023-03-23 21:40:36,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138686167] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:40:36,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908370607] [2023-03-23 21:40:36,065 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-03-23 21:40:36,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:36,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:36,069 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:40:36,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-23 21:40:36,369 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-03-23 21:40:36,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:40:36,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 54 conjunts are in the unsatisfiable core [2023-03-23 21:40:36,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:40:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-03-23 21:40:37,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:40:38,204 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-03-23 21:40:38,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908370607] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:40:38,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:40:38,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 29, 29] total 74 [2023-03-23 21:40:38,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122198236] [2023-03-23 21:40:38,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:40:38,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-03-23 21:40:38,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:38,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-03-23 21:40:38,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=5011, Unknown=0, NotChecked=0, Total=5402 [2023-03-23 21:40:38,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:38,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:38,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 3.22972972972973) internal successors, (239), 74 states have internal predecessors, (239), 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 21:40:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:40:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 21:40:38,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:57,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:40:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 21:40:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-03-23 21:40:57,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-23 21:40:57,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:57,381 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:40:57,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:57,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1509680366, now seen corresponding path program 7 times [2023-03-23 21:40:57,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:57,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224270315] [2023-03-23 21:40:57,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:57,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:40:59,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:59,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224270315] [2023-03-23 21:40:59,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224270315] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:40:59,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277090961] [2023-03-23 21:40:59,616 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-03-23 21:40:59,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:59,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:59,617 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:40:59,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-23 21:40:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:59,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 78 conjunts are in the unsatisfiable core [2023-03-23 21:40:59,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:41:00,884 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 608 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-03-23 21:41:00,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:41:03,180 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 0 proven. 608 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-03-23 21:41:03,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277090961] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:41:03,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:41:03,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 41, 41] total 108 [2023-03-23 21:41:03,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163247480] [2023-03-23 21:41:03,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:41:03,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2023-03-23 21:41:03,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:41:03,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2023-03-23 21:41:03,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=720, Invalid=10836, Unknown=0, NotChecked=0, Total=11556 [2023-03-23 21:41:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:41:03,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:41:03,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 3.0) internal successors, (324), 108 states have internal predecessors, (324), 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 21:41:03,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:41:03,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:41:03,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:41:03,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:41:03,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:41:03,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 21:41:03,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-03-23 21:41:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:43:45,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:43:45,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:43:45,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:43:45,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:43:45,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:43:45,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 21:43:45,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-03-23 21:43:45,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2023-03-23 21:43:45,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-03-23 21:43:45,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:43:45,590 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 21:43:45,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:43:45,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1260715328, now seen corresponding path program 8 times [2023-03-23 21:43:45,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:43:45,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385984038] [2023-03-23 21:43:45,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:43:45,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:43:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:43:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 0 proven. 1646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:43:50,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:43:50,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385984038] [2023-03-23 21:43:50,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385984038] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:43:50,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262827885] [2023-03-23 21:43:50,288 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 21:43:50,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:43:50,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:43:50,289 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:43:50,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-03-23 21:43:50,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 21:43:50,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:43:50,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 118 conjunts are in the unsatisfiable core [2023-03-23 21:43:50,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:43:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 0 proven. 1506 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-03-23 21:43:52,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:43:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 0 proven. 1506 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-03-23 21:43:57,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262827885] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:43:57,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:43:57,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 61, 61] total 164 [2023-03-23 21:43:57,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634244861] [2023-03-23 21:43:57,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:43:57,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2023-03-23 21:43:57,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:43:57,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2023-03-23 21:43:57,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1462, Invalid=25270, Unknown=0, NotChecked=0, Total=26732 [2023-03-23 21:43:57,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:43:57,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:43:57,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 2.8292682926829267) internal successors, (464), 164 states have internal predecessors, (464), 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 21:43:57,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:43:57,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 21:43:57,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:43:57,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:43:57,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:43:57,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 21:43:57,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-03-23 21:43:57,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2023-03-23 21:43:57,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:48:32,237 WARN L222 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 110 DAG size of output: 27 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-03-23 21:49:39,683 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 21:49:39,683 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 21:49:39,684 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 21:49:39,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-03-23 21:49:40,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-03-23 21:49:40,182 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 244 known predicates. [2023-03-23 21:49:40,184 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-03-23 21:49:40,184 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-03-23 21:49:40,184 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-03-23 21:49:40,188 INFO L445 BasicCegarLoop]: Path program histogram: [8, 1] [2023-03-23 21:49:40,190 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 21:49:40,190 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 21:49:40,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 09:49:40 BasicIcfg [2023-03-23 21:49:40,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 21:49:40,193 INFO L158 Benchmark]: Toolchain (without parser) took 561864.96ms. Allocated memory was 251.7MB in the beginning and 362.8MB in the end (delta: 111.1MB). Free memory was 204.0MB in the beginning and 227.7MB in the end (delta: -23.8MB). Peak memory consumption was 88.0MB. Max. memory is 8.0GB. [2023-03-23 21:49:40,193 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 21:49:40,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.77ms. Allocated memory is still 251.7MB. Free memory was 203.6MB in the beginning and 192.6MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-23 21:49:40,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.90ms. Allocated memory is still 251.7MB. Free memory was 192.6MB in the beginning and 191.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 21:49:40,194 INFO L158 Benchmark]: Boogie Preprocessor took 19.92ms. Allocated memory is still 251.7MB. Free memory was 191.0MB in the beginning and 190.1MB in the end (delta: 939.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 21:49:40,194 INFO L158 Benchmark]: RCFGBuilder took 301.88ms. Allocated memory is still 251.7MB. Free memory was 190.1MB in the beginning and 176.3MB in the end (delta: 13.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-03-23 21:49:40,194 INFO L158 Benchmark]: TraceAbstraction took 561301.41ms. Allocated memory was 251.7MB in the beginning and 362.8MB in the end (delta: 111.1MB). Free memory was 175.4MB in the beginning and 227.7MB in the end (delta: -52.3MB). Peak memory consumption was 59.7MB. Max. memory is 8.0GB. [2023-03-23 21:49:40,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 207.77ms. Allocated memory is still 251.7MB. Free memory was 203.6MB in the beginning and 192.6MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.90ms. Allocated memory is still 251.7MB. Free memory was 192.6MB in the beginning and 191.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.92ms. Allocated memory is still 251.7MB. Free memory was 191.0MB in the beginning and 190.1MB in the end (delta: 939.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 301.88ms. Allocated memory is still 251.7MB. Free memory was 190.1MB in the beginning and 176.3MB in the end (delta: 13.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 561301.41ms. Allocated memory was 251.7MB in the beginning and 362.8MB in the end (delta: 111.1MB). Free memory was 175.4MB in the beginning and 227.7MB in the end (delta: -52.3MB). Peak memory consumption was 59.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 91012, independent: 53766, independent conditional: 932, independent unconditional: 52834, dependent: 37246, dependent conditional: 485, dependent unconditional: 36761, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55254, independent: 53766, independent conditional: 932, independent unconditional: 52834, dependent: 1488, dependent conditional: 4, dependent unconditional: 1484, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 55254, independent: 53766, independent conditional: 932, independent unconditional: 52834, dependent: 1488, dependent conditional: 4, dependent unconditional: 1484, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55257, independent: 53766, independent conditional: 0, independent unconditional: 53766, dependent: 1491, dependent conditional: 3, dependent unconditional: 1488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55257, independent: 53766, independent conditional: 0, independent unconditional: 53766, dependent: 1491, dependent conditional: 0, dependent unconditional: 1491, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55257, independent: 53766, independent conditional: 0, independent unconditional: 53766, dependent: 1491, dependent conditional: 0, dependent unconditional: 1491, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1222, independent: 1195, independent conditional: 0, independent unconditional: 1195, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1222, independent: 1183, independent conditional: 0, independent unconditional: 1183, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 39, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, independent: 91, independent conditional: 0, independent unconditional: 91, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 55257, independent: 52571, independent conditional: 0, independent unconditional: 52571, dependent: 1464, dependent conditional: 0, dependent unconditional: 1464, unknown: 1222, unknown conditional: 0, unknown unconditional: 1222] , Statistics on independence cache: Total cache size (in pairs): 1222, Positive cache size: 1195, Positive conditional cache size: 0, Positive unconditional cache size: 1195, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 1, Independence queries for same thread: 35758 - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 244 known predicates. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 244 known predicates. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 244 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 97 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 561.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 531.9s, 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: 517, 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: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 25.2s InterpolantComputationTime, 1908 NumberOfCodeBlocks, 1908 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2772 ConstructedInterpolants, 0 QuantifiedInterpolants, 15415 SizeOfPredicates, 177 NumberOfNonLiveVariables, 1946 ConjunctsInSsa, 356 ConjunctsInUnsatCore, 23 InterpolantComputations, 2 PerfectInterpolantSequences, 422/8326 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown